Hail Map for Niwot, CO

Hail and Wind Damage Spotted near Niwot, CO

Date / Time	Report Details
7/20/2024 8:33 PM MDT	The storm which prompted the warning has moved out of the area. therefore, the warning has been allowed to expire.
7/20/2024 8:04 PM MDT	At 804 pm mdt, a severe thunderstorm was located over northern longmont, or 24 miles southwest of greeley, moving south at 25 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Expect damage to roofs, siding, and trees. hail damage to vehicles is expected. Locations impacted include, northeastern boulder, longmont, erie, firestone, johnstown, frederick, milliken, berthoud, dacono, mead, carter lake, and niwot.
7/20/2024 7:52 PM MDT	At 751 pm mdt, a severe thunderstorm was located near berthoud, or 19 miles south of fort collins, moving south at 25 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. Expect damage to roofs, siding, and trees. people and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. Locations impacted include, northern boulder, longmont, southern loveland, erie, firestone, johnstown, frederick, milliken, berthoud, dacono, mead, lyons, carter lake, and niwot.
7/20/2024 7:43 PM MDT	Svrbou the national weather service in denver colorado has issued a * severe thunderstorm warning for, southwestern weld county in northeastern colorado, southeastern larimer county in north central colorado, northeastern boulder county in northeastern colorado, * until 830 pm mdt. * at 743 pm mdt, a severe thunderstorm was located 4 miles northwest of berthoud, or 15 miles south of fort collins, moving south at 25 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
5/30/2024 8:47 PM MDT	Svrbou the national weather service in denver colorado has issued a * severe thunderstorm warning for, broomfield county in northeastern colorado, southeastern boulder county in northeastern colorado, * until 930 pm mdt. * at 846 pm mdt, a severe thunderstorm was located over southwestern boulder, or 28 miles northwest of denver, moving southeast at 20 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. this severe thunderstorm will be near, boulder and niwot around 850 pm mdt. lafayette and louisville around 855 pm mdt. erie around 900 pm mdt. northwestern broomfield around 905 pm mdt. Other locations in the path of this severe thunderstorm include superior.
7/28/2023 4:15 PM MDT	At 415 pm mdt, a severe thunderstorm was located near crisman, or 29 miles northwest of denver, moving northeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. hail damage to vehicles is expected. locations impacted include, niwot, southwestern longmont and lyons. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/28/2023 3:59 PM MDT	At 359 pm mdt, a severe thunderstorm was located 4 miles south of wallstreet, or 28 miles northwest of denver, moving northeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. hail damage to vehicles is expected. this severe thunderstorm will be near, crisman, salina, sunshine, summerville and eldorado springs around 410 pm mdt. other locations in the path of this severe thunderstorm include boulder, jamestown and niwot. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
7/15/2023 5:05 PM MDT	The severe thunderstorm warning for northeastern boulder county will expire at 515 pm mdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however small hail is still possible with this thunderstorm.
7/15/2023 4:46 PM MDT	At 446 pm mdt, a severe thunderstorm was located near lyons, or 23 miles south of fort collins, moving southeast at 25 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. this severe thunderstorm will be near, longmont and niwot around 505 pm mdt. other locations in the path of this severe thunderstorm include lafayette and erie. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.
6/22/2023 3:04 PM MDT	At 304 pm mdt, a severe thunderstorm was located 6 miles east of jamestown, or 31 miles south of fort collins, moving east at 10 mph (radar indicated). Hazards include half dollar size hail. damage to vehicles is expected
6/21/2023 6:28 PM MDT	The severe thunderstorm warning for north central jefferson and southeastern boulder counties will expire at 630 pm mdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 800 pm mdt for central and northeastern colorado.
6/21/2023 5:54 PM MDT	At 553 pm mdt, a severe thunderstorm was located near eldorado springs, or 23 miles northwest of denver, moving east at 10 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/12/2023 12:45 PM MDT	At 1244 pm mdt, a severe thunderstorm was located over southwestern boulder, or 26 miles northwest of denver, moving east at 10 mph (trained weather spotters reported quarter sized hail in cu boulder campus). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
5/31/2023 3:16 PM MDT	At 315 pm mdt, a severe thunderstorm was located over northeastern westminster, or 14 miles north of denver, moving north at 30 mph (trained weather spotters reported quarter size hail in northglenn). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, thornton, eastern arvada, westminster, broomfield, northwestern commerce city, northglenn, brighton, lafayette, louisville, erie, superior, federal heights, frederick, fort lupton, dacono, todd creek and niwot. hail threat, observed max hail size, 1. 00 in wind threat, radar indicated max wind gust, <50 mph.
5/31/2023 3:03 PM MDT	At 303 pm mdt, a severe thunderstorm was located over southeastern westminster, or 7 miles northwest of denver, moving north at 30 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
5/9/2023 11:12 PM MDT	The severe thunderstorm warning for southwestern weld and southeastern boulder counties will expire at 1115 pm mdt, the storm which prompted the warning has moved out of the area. therefore, the warning will be allowed to expire. however heavy rain is still possible with this thunderstorm. remember, a severe thunderstorm warning still remains in effect for parts of weld, boulder, and larimer counties.
5/9/2023 10:34 PM MDT	At 1034 pm mdt, a severe thunderstorm was located over southwestern longmont, or 28 miles southwest of greeley, moving northeast at 35 mph (trained weather spotters). Hazards include two inch hail and 60 mph wind gusts. Expect damage to roofs, siding, and trees. people and animals outdoors will be injured. expect hail damage to roofs, siding, windows, and vehicles. this severe storm will be near, frederick around 1045 pm mdt. other locations in the path of this severe thunderstorm include berthoud and mead. thunderstorm damage threat, considerable hail threat, observed max hail size, 2. 00 in wind threat, radar indicated max wind gust, 60 mph.
5/9/2023 10:28 PM MDT	At 1028 pm mdt, a severe thunderstorm was located near niwot, or 28 miles northwest of denver, moving northeast at 35 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. hail damage to vehicles is expected. this severe thunderstorm will be near, longmont around 1040 pm mdt. firestone and frederick around 1045 pm mdt. other locations in the path of this severe thunderstorm include berthoud and mead. hail threat, radar indicated max hail size, 1. 00 in wind threat, radar indicated max wind gust, 60 mph.
10/1/2022 3:54 PM MDT	At 354 pm mdt, a severe thunderstorm was located near erie, or 23 miles north of denver, moving east at 25 mph (radar indicated). Hazards include ping pong ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. this severe thunderstorm will be near, firestone, frederick and dacono around 405 pm mdt. other locations in the path of this severe thunderstorm include fort lupton and lochbuie. hail threat, radar indicated max hail size, 1. 50 in wind threat, radar indicated max wind gust, <50 mph.
7/27/2022 9:39 PM MDT	At 939 pm mdt, a severe thunderstorm was located over crisman, or 29 miles northwest of denver, moving southeast at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/25/2021 2:37 PM MDT	The severe thunderstorm warning for north central jefferson and southeastern boulder counties will expire at 245 pm mdt, the storm which prompted the warning has weakened below severe limits, and has exited the warned area. therefore, the warning will be allowed to expire. however small hail and heavy rain are still possible with this thunderstorm.
6/25/2021 1:59 PM MDT	At 159 pm mdt, a severe thunderstorm was located near boulder, or 29 miles northwest of denver, moving southeast at 15 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
8/4/2020 5:57 PM MDT	At 557 pm mdt, a severe thunderstorm was located near frederick, or 22 miles southwest of greeley, moving southeast at 20 mph (radar indicated). Hazards include half dollar size hail. damage to vehicles is expected
7/31/2020 5:34 PM MDT	At 534 pm mdt, a severe thunderstorm was located over niwot, or 29 miles northwest of denver, moving southeast at 30 mph (trained weather spotters). Hazards include quarter size hail. damage to vehicles is expected
6/6/2020 3:46 PM MDT	At 342 pm mdt, severe thunderstorms were located along a line extending from 3 miles north of drake to near aspen springs to 7 miles west of elevenmile canyon reservoir, or along a line extending from 15 miles west of fort collins to 28 miles west of denver to 39 miles north of hayden pass burn scar, the storms are moving northeast at 60 mph. these are very dangerous storms (an automated weather station in lakewood recorded a peak wind gust to 70 mph at bear creek golf club in southwest lakewood). Hazards include 75 mph wind gusts. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows, and vehicles. extensive tree damage and power outages are likely. Locations impacted include, denver, fort collins, greeley, aurora, lakewood, thornton, arvada, westminster, centennial, boulder, longmont, loveland, broomfield, highlands ranch, castle rock, commerce city, parker, littleton, northglenn and brighton.
6/6/2020 3:03 PM MDT	At 303 pm mdt, severe thunderstorms were located along a line extending from 3 miles north of drake to near aspen springs to 8 miles west of elevenmile canyon reservoir, or along a line extending from 15 miles west of fort collins to 28 miles west of denver to 39 miles north of hayden pass burn scar, moving northeast at 65 mph. these are very dangerous storms (radar indicated). Hazards include 80 mph wind gusts. Flying debris will be dangerous to those caught without shelter. mobile homes will be heavily damaged. expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely.
9/11/2019 4:29 PM MDT	At 429 pm mdt, a severe thunderstorm was located over northwestern longmont, or 24 miles south of fort collins, moving northeast at 45 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
7/20/2019 3:27 PM MDT	At 327 pm mdt, a severe thunderstorm was located 5 miles northeast of sunshine, or 30 miles northwest of denver, moving east at 10 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, northern boulder and niwot.
7/20/2019 3:13 PM MDT	At 312 pm mdt, a severe thunderstorm was located near jamestown, or 31 miles northwest of denver, moving southeast at 5 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. Expect damage to roofs, siding, and trees. people and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles.
7/20/2019 2:58 PM MDT	At 258 pm mdt, a severe thunderstorm was located near jamestown, or 32 miles southwest of fort collins, moving southeast at 5 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Expect damage to roofs, siding, and trees. hail damage to vehicles is expected. Locations impacted include, boulder, jamestown, wallstreet, salina, crisman, sunshine, summerville and niwot.
7/20/2019 2:36 PM MDT	At 236 pm mdt, a severe thunderstorm was located near jamestown, or 32 miles southwest of fort collins, moving southeast at 10 mph (radar indicated). Hazards include 60 mph wind gusts and half dollar size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
7/5/2019 8:32 PM MDT	At 831 pm mdt, a severe thunderstorm was located over niwot, or 26 miles north of denver, moving northeast at 25 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
7/5/2019 8:11 PM MDT	The severe thunderstorm warning for southeastern boulder county will expire at 815 pm mdt, this severe thunderstorm warning was replaced by another severe thunderstorm warning for east central boulder and southwestern weld county. a severe thunderstorm watch remains in effect until 1000 pm mdt for northeastern colorado.
7/5/2019 7:46 PM MDT	At 745 pm mdt, a severe thunderstorm was located over lafayette, or 17 miles north of denver, moving north at 30 mph (radar indicated and trained spotters reported). Hazards include ping pong ball size hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.
7/5/2019 7:24 PM MDT	At 723 pm mdt, a severe thunderstorm was located over southwestern boulder, or 23 miles northwest of denver, moving northeast at 15 mph (radar indicated). Hazards include ping pong ball size hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.
6/8/2019 4:35 PM MDT	At 434 pm mdt, a severe thunderstorm was located 4 miles north of erie, or 24 miles north of denver, moving east at 35 mph (radar indicated). Hazards include ping pong ball size hail and 60 mph wind gusts. Expect damage to roofs, siding, and trees. people and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles.
8/18/2018 10:10 PM MDT	At 1009 pm mdt, a severe thunderstorm was located near erie, or 24 miles north of denver, moving southeast at 30 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Expect damage to roofs, siding, and trees. Hail damage to vehicles is expected.
8/14/2018 4:56 PM MDT	At 456 pm mdt, a severe thunderstorm was located 4 miles southwest of berthoud, or 19 miles south of fort collins, moving southeast at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
8/3/2018 9:26 PM MDT	The severe thunderstorm warning for north central douglas, broomfield, southwestern arapahoe, southeastern gilpin, southwestern denver, jefferson, west central adams and southeastern boulder counties will expire at 930 pm mdt, the winds which prompted the warning have weakened below severe limits, and no longer poses an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds to 50 mph are still possible with in and near the foothills.
8/3/2018 9:15 PM MDT	At 912 pm mdt, doppler radar and reports indicate strong winds to 65 mph in and near the foothiills associated with dissipating thunderstorms over the foothills northwest of denver. wind gusts of 60 to 65 mph will remain possible with this activity over western parts of the denver metro area (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, western denver, lakewood, southwestern thornton, arvada, westminster, southwestern centennial, boulder, broomfield, highlands ranch, northwestern castle rock, littleton, southwestern northglenn, englewood, wheat ridge, lafayette, golden, louisville, erie, greenwood village and evergreen.
8/3/2018 8:39 PM MDT	At 839 pm mdt, doppler radar showed thunderstorms dissipating over the foothills northwest of denver. wind gusts of 60 to 65 mph will be possible with this activity as it pushes through the denver metro area (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
7/25/2018 6:33 PM MDT	At 633 pm mdt, a severe thunderstorm was located near erie, or 24 miles north of denver, moving southeast at 25 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees
6/19/2018 12:43 PM MDT	At 1243 pm mdt, a severe thunderstorm was located 4 miles east of niwot, moving east at 25 mph. a trained spotter reported quarter size hail near niwot at 1239 pm mdt (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. locations impacted include, longmont, lafayette, erie, firestone, frederick, fort lupton, dacono, mead and niwot. A tornado watch remains in effect until 700 pm mdt for northeastern colorado.
6/19/2018 12:29 PM MDT	At 1228 pm mdt, a severe thunderstorm was located over niwot, moving east at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/19/2018 12:16 PM MDT	At 1216 pm mdt, a severe thunderstorm was located over north boulder, moving east at 20 mph (radar indicated). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, boulder, longmont, lafayette, erie and niwot.
6/19/2018 12:06 PM MDT	At 1205 pm mdt, a severe thunderstorm was located 6 miles west of boulder, moving east at 25 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is possible
6/18/2018 7:44 PM MDT	At 744 pm mdt, a severe thunderstorm was located over lafayette, or 20 miles north of denver, moving east at 15 mph. goldball hail has been reported with this storm (trained weather spotters). Hazards include golf ball size hail. People and animals outdoors will be injured. expect damage to roofs, siding, windows, and vehicles. Locations impacted include, northern thornton, northeastern westminster, southeastern longmont, broomfield, brighton, lafayette, louisville, erie, superior, frederick, dacono and niwot.
6/18/2018 7:24 PM MDT	At 724 pm mdt, a severe thunderstorm was located near boulder, or 22 miles northwest of denver, moving northeast at 15 mph (radar indicated). Hazards include ping pong ball size hail. People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.
6/18/2018 6:33 PM MDT	At 632 pm mdt, a severe thunderstorm was located 4 miles north of erie, or 25 miles north of denver, moving east at 30 mph. a second severe thunderstorm was located 2 miles north of platteville, moving east at 30 mph. trained weather spotters reported quarter size hail just north of platteville (trained weather spotters). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, southwestern greeley, northeastern boulder, longmont, lafayette, windsor, erie, firestone, johnstown, frederick, fort lupton, milliken, berthoud, dacono, mead, platteville, hudson, keenesburg, gilcrest and niwot.
6/18/2018 6:12 PM MDT	At 611 pm mdt, a severe thunderstorm was located near boulder, or 24 miles northwest of denver, moving east at 30 mph. another servere thunderstorm was located over mead, moving east at 30 mph (trained weather spotters). Hazards include half dollar size hail. damage to vehicles is expected
6/18/2018 6:02 PM MDT	At 601 pm mdt, a severe thunderstorm was located over northwestern boulder, moving northeast at 20 mph (trained spotters reported quarter size hail at 555 pm mdt). Hazards include quarter size hail. Damage to vehicles is expected. Locations impacted include, boulder, western longmont, northern broomfield, lafayette, louisville, erie, crisman, and niwot.
6/18/2018 5:44 PM MDT	At 544 pm mdt, a severe thunderstorm was located just east of nederland, or 10 miles southwest of boulder, moving northeast at 20 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
5/22/2018 5:07 PM MDT	At 506 pm mdt, a severe thunderstorm was located near longmont, or 27 miles southwest of greeley, moving north at 25 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect wind damage to roofs, siding, and trees. Locations impacted include, longmont, southwestern loveland, lafayette, erie, berthoud and niwot.
5/22/2018 4:56 PM MDT	At 456 pm mdt, a severe thunderstorm was located near erie, or 23 miles north of denver, moving north at 25 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
7/19/2016 6:36 PM MDT	At 635 pm mdt, a severe thunderstorm was located near sunshine, or 31 miles northwest of denver, moving northeast at 20 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
6/6/2016 3:57 PM MDT	At 357 pm mdt, a severe thunderstorm was located 4 miles northeast of sunshine, or 30 miles northwest of denver, moving southeast at 15 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected
6/4/2015 9:17 PM MDT	At 915 pm mdt, a severe thunderstorm was located near longmont, or 26 miles south of fort collins, moving east at 10 mph. another developing thunderstorm was located over broomfield, also moving east at 10 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected