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Storm Activity›Texas Storm Activity›Grayson County, TX
Texas · Official NOAA Storm Data

Grayson County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026

Has it hailed in Grayson County, Texas recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 38 hail reports with hail up to 3.5", among 47 severe weather events logged here in the last 12 months, together with 9 high-wind reports with gusts up to 55 mph. The most recent recorded storm activity was on Sep 27, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Grayson County, Texas showing the county boundary and surrounding cities
Grayson County, Texas. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Grayson County hail map

Where hail and high-wind reports clustered across Grayson County over the last 12 months. Heat shows report density and significance, not radar.

47
Events (12 mo)
38
Hail
9
Wind
0
Tornado
3.5"
Max hail
55
Max wind (mph)
Sep 27, 2026
Most recent

What the radar showed

Radar snapshot during the Apr 26, 2026 hail event near 4 SSW Bells, Grayson County, Texas, with NWS warning polygons
NEXRAD radar at the moment of the Apr 26, 2026 hail event (3.5") near 4 SSW Bells. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Storm exposure for an address in Grayson County

Get a free report in your folder. A city is enough if you do not have a street.

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.

Sunday, September 27, 2026

2 NWS warnings — hail up to 0.5"

“At 950 PM CDT, Doppler radar was tracking a strong thunderstorm over Eisenhower State Park, or 12 miles north of Sherman, moving southeast at 10 mph. Hazard: Winds in excess of 40 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...”

NWS severe weather mention · Grayson County

“At 755 PM CDT, Doppler radar was tracking a strong thunderstorm over Lebanon, Oklahoma, or 9 miles southwest of Madill, moving south at 15 mph. Hazard: Winds in excess of 40 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...”

NWS severe weather mention · Grayson County

Monday, September 21, 2026

1 NWS warning — hail up to 0.75"

“At 538 PM CDT, Doppler radar was tracking a strong thunderstorm over Lake Kiowa, moving southeast 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... Lake Kiowa around 545 PM CDT. Collinsville around 550 PM CDT.”

NWS severe weather mention · Grayson County

Sunday, September 20, 2026

1 SPC verified storm report · 2 NWS warnings — hail up to 0.25"

“At 714 PM CDT, Doppler radar was tracking strong thunderstorms across most of Grayson and Fannin counties. These storms were nearly stationary. Hazard: Winds in excess of 40 mph and torrential rainfall. 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...”

NWS severe weather mention · Grayson County

“At 523 PM CDT, Doppler radar was tracking a strong thunderstorm over Knollwood, or near Sherman, moving northeast at 10 mph. Hazard: Winds in excess of 40 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Grayson County

Thursday, September 10, 2026

1 NWS warning — hail up to 0.25"

“At 230 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Willis to Callisburg to 11 miles northwest of Sanger. 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. Locations impacted include...”

NWS severe weather mention · Grayson County

Friday, August 7, 2026

1 SPC verified storm report · 2 NWS warnings — hail up to 0.5", wind gusts up to 50 mph

NEXRAD radar during the Friday, August 7, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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...”

NWS severe weather mention · Grayson County

“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...”

NWS severe weather mention · Grayson County

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...”

NWS severe weather mention · Grayson County

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.”

NWS severe weather mention · Grayson County

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...”

NWS severe weather mention · Grayson County

“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...”

NWS severe weather mention · Grayson County

Friday, June 19, 2026

2 NWS warnings — hail up to 0.5", wind gusts up to 55 mph

NEXRAD radar during the Friday, June 19, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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...”

NWS severe weather mention · Grayson County

“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...”

NWS severe weather mention · Grayson County

Saturday, June 6, 2026

3 NWS warnings — hail up to 0.5"

NEXRAD radar during the Saturday, June 6, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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...”

NWS severe weather mention · Grayson County

“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...”

NWS severe weather mention · Grayson County

Saturday, May 23, 2026

3 NWS warnings — hail up to 0.88"

NEXRAD radar during the Saturday, May 23, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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...”

NWS severe weather mention · Grayson County

“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.”

NWS severe weather mention · Grayson County

Tuesday, May 19, 2026

3 NWS warnings — hail up to 0.75"

NEXRAD radar during the Tuesday, May 19, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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.”

NWS severe weather mention · Grayson County

“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.”

NWS severe weather mention · Grayson County

Sunday, May 10, 2026

4 SPC verified storm reports · 4 NWS warnings — hail up to 2"

NEXRAD radar during the Sunday, May 10, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Spotter reports 2 inch hail near Sherman. (FWD)”

SPC verified report · 2 ENE Southmayd

“Facebook report of quarter size hail between Bells and Denison. (FWD)”

SPC verified report · 6 N Bells

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.”

NWS severe weather mention · Grayson County

Sunday, April 26, 2026

3 SPC verified storm reports — hail up to 3.5"

NEXRAD radar during the Sunday, April 26, 2026 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“3 and a half inch hail reported at the intersection of Marlow Road and Rochelle Canyon road. (FWD)”

SPC verified report · 4 SSW Bells

“Quarter size hail reported in South Sherman. (FWD)”

SPC verified report · 2 S Sherman

Wednesday, April 15, 2026

2 SPC verified storm reports — hail up to 1"

“Facebook photo showed a tree down on North Travis Street near US 75. (FWD)”

SPC verified report · 2 N Sherman

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.”

NWS severe weather mention · Grayson County

“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.”

NWS severe weather mention · Grayson County

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.”

NWS severe weather mention · Grayson County

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.”

NWS severe weather mention · Grayson County

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...”

NWS severe weather mention · Grayson County

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.”

NWS severe weather mention · Grayson County

Monday, November 24, 2025

2 NWS warnings — hail up to 0.88"

NEXRAD radar during the Monday, November 24, 2025 storm activity in Grayson County, Texas
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“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...”

NWS severe weather mention · Grayson County

“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...”

NWS severe weather mention · Grayson County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Grayson County, TX?

The most recent recorded event was on Sep 27, 2026. Official NWS and SPC records show 47 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.

Did it hail in Grayson County recently?

Yes — 38 hail reports in the last 12 months, with hail up to 3.5" recorded. The hail map above shows where reports clustered; the storm log lists each day.

How do I see hail history for a specific address in Grayson County?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through HailyAPI and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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