Crook County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Has it hailed in Crook County, Wyoming recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 19 hail reports with hail up to 1.25", among 41 severe weather events logged here in the last 12 months, together with 22 high-wind reports with gusts up to 70 mph. The most recent recorded storm activity was in August 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
What the radar showed
Last 30 days in Crook County
Recent storms — full detail available in the app
Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.
See the specifics — free →Storm log — the official record, day by day
Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Thursday, July 30, 2026
1 NWS warning — hail up to 0.88"
“At 1251 PM MDT, Doppler radar was tracking a strong thunderstorm 16 miles north of Alva, or 33 miles northwest of Belle Fourche, moving southeast at 10 mph. Hazard: Wind gusts up to 40 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.88" Crook County NWS severe weather mention
Wednesday, July 29, 2026
1 SPC verified storm report · 2 NWS warnings — hail up to 0.5", wind gusts up to 61 mph
“Measured on a personal weather station along I-90. (UNR)”
“At 131 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 8 miles north of Lightning Flat to over Gillette Airport, or extending from 57 miles northwest of Sundance to near Gillette, moving east at 25 mph. Hazard: Wind gusts up to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Wind 61 mph 6 NE Sundance SPC verified report
- Hail 0.5" Crook County NWS severe weather mention
- Hail 0.25" Crook County NWS severe weather mention
Sunday, July 26, 2026
2 NWS warnings — wind gusts up to 55 mph
“At 930 PM MDT, a line of strong thunderstorms extending from near Carlile to 15 miles north of Clareton, or extending from 22 miles northwest of Sundance to 29 miles west of Newcastle, moving east at 25 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 901 PM MDT, a line of strong thunderstorms extending from near Oshoto to 15 miles east of Coal Creek Mine, or extending from 31 miles northeast of Gillette to 27 miles northeast of Wright, moving east at 35 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Crook County NWS severe weather mention
- Wind 55 mph Crook County NWS severe weather mention
Saturday, July 18, 2026
2 NWS warnings — hail up to 0.88"
“At 517 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles northeast of New Haven, or 37 miles northwest of Sundance, moving northeast at 30 mph. Hazard: Wind gusts up to 40 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... New Haven.”
“At 447 PM MDT, Doppler radar was tracking a strong thunderstorm near Devils Tower National Monument, or 25 miles northwest of Sundance, moving northeast at 20 mph. Hazard: Wind gusts up to 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.88" Crook County NWS severe weather mention
- Hail 0.75" Crook County NWS severe weather mention
Thursday, July 16, 2026
2 SPC verified storm reports · 1 NWS warning — hail up to 0.75", wind gusts up to 63 mph
“At 459 PM MDT, Doppler radar was tracking a strong thunderstorm near New Haven, or 30 miles northwest of Sundance, and is stationary. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Wind 63 mph 8 NNW Oshoto SPC verified report
- Wind 58 mph 17 NNW New Haven SPC verified report
- Hail 0.75" Crook County NWS severe weather mention
Friday, July 3, 2026
4 SPC verified storm reports — hail up to 1.25"
- Hail 1.25" 7 SE Devils Tower SPC verified report
- Hail 1" Devils Tower SPC verified report
- Hail 1" 2 S Hulett SPC verified report
- Hail 1" Sundance SPC verified report
Friday, June 26, 2026
1 NWS warning — hail up to 0.5"
“At 531 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles southeast of Caballo Mine to near NARM Mine, or extending from 19 miles southeast of Gillette to 22 miles southeast of Wright, moving east at 25 mph. Hazard: Wind gusts of 50 to 55 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Hail 0.5" Crook County NWS severe weather mention
Thursday, June 18, 2026
1 NWS warning — wind gusts up to 50 mph
“At 615 PM MDT, Doppler radar was tracking a line of showers extending from near Ludlow to 8 miles west of Colony, or extending from 22 miles north of Buffalo to 28 miles northwest of Belle Fourche, moving southeast at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Crook County NWS severe weather mention
Sunday, June 7, 2026
2 SPC verified storm reports — hail up to 1", wind gusts up to 62 mph
“1 inch was the largest... most was smaller (UNR)”
- Wind 62 mph 8 NW Colony SPC verified report
- Hail 1" 17 N New Haven SPC verified report
Saturday, June 6, 2026
1 SPC verified storm report · 1 NWS warning — hail up to 0.25", wind gusts up to 65 mph
“At 538 PM MDT, Doppler radar was tracking a strong thunderstorm 6 miles north of Hulett, or 28 miles northwest of Sundance, moving northeast at 25 mph. Hazard: Wind gusts of 50 to 55 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Hulett.”
- Wind 65 mph 17 NNW New Haven SPC verified report
- Hail 0.25" Crook County NWS severe weather mention
Friday, June 5, 2026
1 SPC verified storm report — wind gusts up to 58 mph
- Wind 58 mph 10 ESE Pine Haven SPC verified report
Thursday, June 4, 2026
1 SPC verified storm report — hail up to 1.25"
- Hail 1.25" Pine Haven SPC verified report
Tuesday, June 2, 2026
1 NWS warning — hail up to 0.5"
“At 1202 AM MDT, Doppler radar was tracking a strong thunderstorm 6 miles south of Moorcroft, or 25 miles east of Gillette, moving northeast at 30 mph. Hazard: Wind gusts up to 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.5" Crook County NWS severe weather mention
Monday, June 1, 2026
1 NWS warning — hail up to 0.88"
“At 513 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles west of Inyan Kara Mountain, or 12 miles southwest of Sundance, moving east at 30 MPH. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Sundance, Moskee, and Inyan Kara Mountain. This includes Interstate 90 in Wyoming between Mile Markers 169 and 196.”
- Hail 0.88" Crook County NWS severe weather mention
Friday, May 29, 2026
3 NWS warnings — hail up to 0.88"
“At 956 PM MDT, Doppler radar was tracking a strong thunderstorm near Moorcroft, or 27 miles east of Gillette, moving north at 10 mph. Hazard: Wind gusts of 50 to 55 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Moorcroft, Pine Haven, and Keyhole Reservoir.”
“At 919 PM MDT, Doppler radar was tracking a strong thunderstorm 6 miles northeast of Coal Creek Mine, or 20 miles southeast of Gillette, moving northeast at 20 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”
- Hail 0.88" Crook County NWS severe weather mention
- Hail 0.75" Crook County NWS severe weather mention
- Hail 0.75" Crook County NWS severe weather mention
Sunday, May 3, 2026
1 NWS warning — wind gusts up to 50 mph
“At 155 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles east of Upton to 5 miles east of Clareton to 3 miles southwest of Dull Center. Movement was east at 25 mph. Hazard: Brief wind gusts 40 to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Crook County NWS severe weather mention
Monday, April 13, 2026
1 SPC verified storm report — wind gusts up to 63 mph
- Wind 63 mph 8 NW Colony SPC verified report
Tuesday, April 7, 2026
1 NWS warning — wind gusts up to 55 mph
“A strong cold front will move through the area tonight. Rain showers and wind gusts to 55 mph are expected as the front passes, with gusty winds lasting an hour or two. A few localized gusts over 60 mph cannot be ruled out. These winds may lead to difficult driving conditions, especially for high profile vehicles. Winds will drop off quickly late this evening and overnight.”
- Wind 55 mph Crook County NWS severe weather mention
Thursday, March 12, 2026
2 NWS warnings — wind gusts up to 70 mph
“WHAT...Northwest winds 35 to 45 mph with gusts up to 70 mph. WHERE...Newcastle, Northern Campbell, Southern Campbell, Western Crook, and Weston County Plains. WHEN...Until 9 PM MDT this evening. IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...Newcastle, Northern Campbell, Southern Campbell, Western Crook, and Weston County Plains. WHEN...From 9 AM this morning to 9 PM MDT this evening. IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 70 mph Crook County NWS severe weather mention
- Wind 65 mph Crook County NWS severe weather mention
Wednesday, March 11, 2026
2 NWS warnings — wind gusts up to 65 mph
“WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...Newcastle, Northern Campbell, Southern Campbell, Western Crook, and Weston County Plains. WHEN...From 9 AM to 9 PM MDT Thursday. IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. WHERE...Newcastle, Northern Campbell, Southern Campbell, Western Crook, and Weston County Plains. WHEN...From 9 AM to 9 PM MDT Thursday. IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 65 mph Crook County NWS severe weather mention
- Wind 65 mph Crook County NWS severe weather mention
Tuesday, March 10, 2026
1 NWS warning — wind gusts up to 70 mph
“WHAT...West winds 30 to 40 mph with gusts up to 70 mph possible. WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. WHEN...From Thursday morning through Thursday evening. IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 70 mph Crook County NWS severe weather mention
Saturday, December 27, 2025
1 NWS warning — wind gusts up to 55 mph
“A strong cold front will move through northeast WY this afternoon. Expect northwest winds of 25 to 35 mph with gusts to 55 mph as the front passes through. Some snow is also expected, with accumulations less than one inch. Much colder air will settle into the region tonight, with temperatures falling into the single digits by early Sunday morning, supporting wind chills of 15 to 20 below zero.”
- Wind 55 mph Crook County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Crook County, WY?
The most recent recorded event was in August 2026. Official NWS and SPC records show 41 severe weather events in Crook County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Crook County recently?
Yes — 19 hail reports in the last 12 months, with hail up to 1.25" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.