Severe · Severe Thunderstorm WarningThis alert has expired. It is kept for reference.

Severe Thunderstorm Warning issued September 20 at 6:21PM CDT until September 20

Affecting Fannin, TX; Grayson, TX

In effect until: Sep 21, 2026, 12:15 AM

Fannin, TX; Grayson, TX

Confirmed across 2 counties in TX; expires 12:15 AM.

For your protection get inside a sturdy structure and stay away from windows. Heavy rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

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SVRFWD

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
Southeastern Grayson County in north central Texas...
Northwestern Fannin County in north central Texas...

* Until 715 PM CDT.

* At 620 PM CDT, a severe thunderstorm was located over Howe, with
another storm located near Sherman. Both storms are moving
northeast at 5 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include...
Sherman, Denison, Van Alstyne, Howe, Bells, Tom Bean, Savoy,
Knollwood, Dorchester, Valley Lake, Boddie, Ida, Carpenters Bluff,
Ambrose, Sowells Bluff, Luella, White Mound, Farmington, and
Cannon.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Severe Thunderstorm Warning issued September 20 at 6:21PM CDT until September 20

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