NWS Fort Worth TXSV.W 0259September 20, 2026
Severe Thunderstorm Warning: Grayson, TX
The National Weather Service office in Fort Worth issued a severe thunderstorm warning for Grayson in Texas, which was in force until 6:30 p.m. local time on September 20. It was the 259th severe thunderstorm warning the NWS office in Fort Worth issued in 2026. Texas had 158 severe thunderstorm warnings in September 2026, against 78 in an average September of 2008-2025 (Texas's severe thunderstorm warnings by year).
ExpiredWarning
In force for 37 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Fort Worth TX
- Area
- Grayson
- State
- Texas
- Level
- Warning
- Issued
- 5:53 p.m. CDT, September 20, 2026
- Expires
- 6:30 p.m. CDT, September 20, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KFWD SV.W 0259
- Official source
- National Weather Service: the notice at its source
Severe Thunderstorm Warnings in Texas since 2008Every warning type in Texas
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRFWD The National Weather Service in Fort Worth has issued a * Severe Thunderstorm Warning for... Northeastern Grayson County in north central Texas... * Until 630 PM CDT. * At 553 PM CDT, a severe thunderstorm was located over Denison, or 10 miles north of Sherman, moving northeast at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Denison, Randell Lake, and Eisenhower State Park around 600 PM CDT. Other locations impacted by this severe thunderstorm include Boddie, Luella, Ida, Carpenters Bluff, and Southmayd.
What the agency told people to do
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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Severe Thunderstorm Warnings in Texas since 20082,144 a year
- Every warning type in Texas
- Severe Thunderstorm Warning: what it means, and the states that get the most20,005 a year
- NWS notices, September 20262,824 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels