Grayson County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026
Has it hailed in Grayson County, Texas recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 45 hail reports with hail up to 3.5", among 56 severe weather events logged here in the last 12 months, together with 11 high-wind reports with gusts up to 72 mph. The most recent recorded storm activity was in September 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 Grayson 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.
Friday, August 7, 2026
1 SPC verified storm report · 2 NWS warnings — hail up to 0.5", wind gusts up to 50 mph
“At 506 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Durant, Oklahoma to near Burneyville, Oklahoma. Movement was 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...”
“At 552 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Muenster to near Sherman. Movement was south at 25 mph. Hazard: Wind gusts up to 50 mph and half inch 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 50 mph Grayson County NWS severe weather mention
- Hail 0.5" Grayson County NWS severe weather mention
- Wind Unknown Pottsboro SPC verified report
Sunday, July 12, 2026
1 NWS warning — hail up to 0.25"
“At 437 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Whitesboro to 7 miles west of Lake Kiowa. Movement was east at 15 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Strong thunderstorms will be near...”
- Hail 0.25" Grayson County NWS severe weather mention
Monday, July 6, 2026
1 NWS warning — hail up to 0.5"
“At 828 PM CDT, Doppler radar was tracking a strong thunderstorm near Leonard, and another strong thunderstorm near Anna, moving south at 5 mph. Hazard: Wind gusts up to 50 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.”
- Hail 0.5" Grayson County NWS severe weather mention
Monday, June 22, 2026
2 NWS warnings — hail up to 0.25"
“At 456 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Denison to Bowie. Movement was south at 30 mph. Hazard: Wind gusts of 45 to 55 mph and pea 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...”
“At 359 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Henrietta to Madill, Oklahoma. Movement was southeast at 40 mph. Hazard: Wind gusts of 45 to 55 mph and pea 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 0.25" Grayson County NWS severe weather mention
- Hail 0.25" Grayson County NWS severe weather mention
Friday, June 19, 2026
2 NWS warnings — hail up to 0.5", wind gusts up to 55 mph
“At 559 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Muenster to near Ray Roberts Park to near Argyle. Movement was northeast at 40 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 654 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Sherman to Plano. Movement was east at 30 mph. Hazard: Wind gusts up to 50 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Strong thunderstorms will be near...”
- Wind 55 mph Grayson County NWS severe weather mention
- Hail 0.5" Grayson County NWS severe weather mention
Saturday, June 6, 2026
3 NWS warnings — hail up to 0.5"
“At 555 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Callisburg to Fort Worth. Movement was northeast at 30 mph. Hazard: Wind gusts of 45 to 55 mph and pea to half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Strong thunderstorms will be near...”
“At 513 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Gainesville to near Haslet. Movement was east at 25 mph. Hazard: Wind gusts of 45 to 55 mph and pea to half inch 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 0.5" Grayson County NWS severe weather mention
- Hail 0.5" Grayson County NWS severe weather mention
- Hail 0.25" Grayson County NWS severe weather mention
Saturday, May 23, 2026
3 NWS warnings — hail up to 0.88"
“At 345 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Blue to near Coffee Mill Lake to near Dodd City. Movement was northeast at 30 mph. Hazard: Winds in excess of 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. Strong thunderstorms will be near...”
“At 243 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles east of Thackerville to Whitesboro to near Collinsville to near Celina. Movement was northeast at 40 mph. Hazard: Winds in excess of 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.”
- Hail 0.88" Grayson County NWS severe weather mention
- Hail 0.88" Grayson County NWS severe weather mention
- Hail 0.88" Grayson County NWS severe weather mention
Tuesday, May 19, 2026
3 NWS warnings — hail up to 0.75"
“At 141 PM CDT, Doppler radar was tracking a strong thunderstorm over Aubrey, or 12 miles northeast of Denton, moving east at 25 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 damage to outdoor objects is possible. This strong thunderstorm will be near... Celina around 145 PM CDT.”
“At 941 AM CDT, Doppler radar was tracking a strong thunderstorm near Pottsboro, or 15 miles north of Sherman, moving northeast at 20 mph. Hazard: Pea size hail. Impact: Minor damage to outdoor objects is possible. This strong thunderstorm will be near... Pottsboro, southeastern Lake Texoma, Lake Texoma, and Eisenhower State Park around 945 AM CDT. Denison around 950 AM CDT.”
- Hail 0.75" Grayson County NWS severe weather mention
- Hail 0.25" Grayson County NWS severe weather mention
- Hail 0.25" Grayson County NWS severe weather mention
Sunday, May 10, 2026
4 NWS warnings — hail up to 0.75"
“At 244 AM CDT, Doppler radar was tracking a strong thunderstorm near Dorchester, or 8 miles southeast of Whitesboro, moving east at 15 mph. Hazard: Winds in excess of 30 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. This strong thunderstorm will be near...”
“At 1241 AM CDT, Doppler radar was tracking a strong thunderstorm near Whitesboro, moving southeast at 25 mph. Hazard: Winds in excess of 30 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. This strong thunderstorm will be near... Lake Texoma around 1245 AM CDT. Sherman around 1250 AM CDT.”
- Hail 0.75" Grayson County NWS severe weather mention
- Hail 0.75" Grayson County NWS severe weather mention
- Hail 0.5" Grayson County NWS severe weather mention
- Hail 0.5" Grayson County NWS severe weather mention
Saturday, May 9, 2026
4 SPC verified storm reports — hail up to 2"
“Spotter reports 2 inch hail near Sherman. (FWD)”
“Facebook report of quarter size hail between Bells and Denison. (FWD)”
- Hail 2" 2 ENE Southmayd SPC verified report
- Hail 2" 3 SE Whitesboro SPC verified report
- Hail 1" 6 N Bells SPC verified report
- Hail 1" 5 N Pottsboro SPC verified report
Tuesday, April 28, 2026
1 NWS warning — hail up to 0.75"
“At 1027 AM CDT, Doppler radar was tracking a strong thunderstorm near Cartwright, or 11 miles southwest of Durant, moving east at 50 mph. Hazard: Winds in excess of 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.”
- Hail 0.75" Grayson County NWS severe weather mention
Saturday, April 25, 2026
3 SPC verified storm reports — hail up to 3.5"
“3 and a half inch hail reported at the intersection of Marlow Road and Rochelle Canyon road. (FWD)”
“Quarter size hail reported in South Sherman. (FWD)”
- Hail 3.5" 4 SSW Bells SPC verified report
- Hail 1" 2 S Sherman SPC verified report
- Hail 1" 1 SSE Pottsboro SPC verified report
Tuesday, April 14, 2026
2 SPC verified storm reports — hail up to 1"
“Facebook photo showed a tree down on North Travis Street near US 75. (FWD)”
- Hail 1" 5 SW Hendrix SPC verified report
- Wind Unknown 2 N Sherman SPC verified report
Sunday, March 15, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...North winds 25 to 35 mph with gusts up to 50 mph. WHERE...Portions of North and Central Texas. WHEN...Until 1 AM CDT Monday. IMPACTS...Unsecured outdoor items may be blown around in the wind. Driving on area roadways may become difficult, especially for high-profile vehicles. Small tree limbs could break and cause damage.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of north central and northeast Texas. WHEN...From 7 AM this morning to 1 AM CDT Monday. IMPACTS...Unsecured outdoor items may be blown around in the wind. Driving on area roadways may become difficult, especially for high-profile vehicles. Small tree limbs could break and cause damage.”
- Wind 50 mph Grayson County NWS severe weather mention
- Wind 50 mph Grayson County NWS severe weather mention
Saturday, March 14, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of North and Central Texas. WHEN...From 7 AM Sunday to 1 AM CDT Monday. IMPACTS...Unsecured outdoor items may be blown around in the wind. Driving on area roadways may become difficult, especially for high-profile vehicles. Small tree limbs could break and cause damage.”
- Wind 50 mph Grayson County NWS severe weather mention
Tuesday, March 10, 2026
1 NWS warning — wind gusts up to 50 mph
“At 1012 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Sherman to Dallas. Movement was east at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near... Plano, Garland, Mesquite, McKinney, Richardson, Allen, Rowlett, Wylie, and Sherman around 1015 PM CDT.”
- Wind 50 mph Grayson County NWS severe weather mention
Thursday, March 5, 2026
1 NWS warning — hail up to 0.75"
“At 203 AM CST, Doppler radar was tracking a strong thunderstorm near Callisburg, or 10 miles northwest of Whitesboro, moving northeast at 25 mph. Hazard: Winds in excess of 30 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. This strong thunderstorm will be near...”
- Hail 0.75" Grayson County NWS severe weather mention
Wednesday, March 4, 2026
1 NWS warning — hail up to 0.88"
“At 1155 PM CST, Doppler radar was tracking a strong thunderstorm near Lake Kiowa, or near Gainesville, moving east at 20 mph. Hazard: Winds in excess of 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. This strong thunderstorm will be near... Lake Kiowa around 1200 AM CST.”
- Hail 0.88" Grayson County NWS severe weather mention
Monday, November 24, 2025
2 NWS warnings — hail up to 0.88"
“At 417 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles northeast of Decatur to Pecan Acres. Movement was northeast at 55 mph. Hazard: Winds in excess of 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. Strong thunderstorms will be near...”
“At 513 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from near Dorchester to Grand Prairie. Movement was east at 40 mph. Hazard: Winds in excess of 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. Strong thunderstorms will be near...”
- Hail 0.88" Grayson County NWS severe weather mention
- Hail 0.75" Grayson County NWS severe weather mention
Tuesday, September 23, 2025
1 SPC verified storm report · 2 NWS warnings — hail up to 1.5"
“Estimated ping pong ball size hail near Lake Texoma. (FWD)”
“At 1003 PM CDT, Doppler radar was tracking a strong thunderstorm near Lake Kiowa, or 7 miles southeast of Gainesville, moving northeast at 40 mph. Hazard: Winds in excess of 30 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. This strong thunderstorm will be near...”
- Hail 1.5" 5 N Pottsboro SPC verified report
- Hail 0.5" Grayson County NWS severe weather mention
- Hail 0.25" Grayson County NWS severe weather mention
Monday, September 22, 2025
3 SPC verified storm reports — hail up to 2"
“Emergency management reported that ping-pong sized hail was falling in NE Pottsboro for less than 5 minutes. (FWD)”
“Half dollar size hail at 377 and ferguson rd north of whitesboro. (FWD)”
- Hail 2" Whitesboro SPC verified report
- Hail 1.5" 1 ENE Pottsboro SPC verified report
- Hail 1.25" 3 N Whitesboro SPC verified report
Sunday, September 21, 2025
9 SPC verified storm reports — hail up to 2.5", wind gusts up to 72 mph
“Large hail 2.25-2.5 inches in size fell for 8-10 minutes about 3 miles southeast of Howe. Windows were broken and roof damage was observed. The weather station at this (FWD)”
“Photo received of measured 2.5 inch hail. Time estimated. (FWD)”
- Hail 2.5" 3 SE Howe SPC verified report
- Hail 2.5" Luella SPC verified report
- Hail 1.75" 2 SE Howe SPC verified report
- Hail 1.75" Van Alstyne SPC verified report
- Hail 1.5" 1 SE Knollwood SPC verified report
- Wind 72 mph 3 WNW Knollwood SPC verified report
- Wind 62 mph 3 SE Howe SPC verified report
- Hail 1" 1 E Luella SPC verified report
- Wind Unknown 2 ENE Howe SPC verified report
Today's severe weather outlook
Common questions
When was the last severe storm in Grayson County, TX?
The most recent recorded event was in September 2026. Official NWS and SPC records show 56 severe weather events in Grayson 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 Grayson County recently?
Yes — 45 hail reports in the last 12 months, with hail up to 3.5" 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.