Denison, TX Weather Forecast
Grayson County, Texas
Live radar, warnings and storm tracking for Denison, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Denison
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Denison, TX at a glance
Denison is home to about 26,343 people in Grayson County, across 29 square miles. It ranks 121st by population of 536 places in Texas with a forecast here. The nearest neighbour with its own forecast is Pottsboro, 5 miles away.
- County
- Grayson County
- Population
- 26,343 2023 est.
- Land area
- 29 sq mi
- People per sq mi
- 908
- Forecast point
- 33.7669°N, 96.5807°W
How well can the network see Denison?
The nearest Doppler radar is KFWS (Dallas/Fort Worth, TX), to the SSW. Its lowest scan passes about 8,500 ft above Denison. At that range the beam overshoots the base of a storm. If a warning for Denison looks unsupported on radar, trust the warning.
The closest weather station is KGYI (Dennison/N Texas Rgnl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Denison
- Pottsboro, TX5 mi
- Sherman, TX10 mi
- Calera, OK14 mi
- Howe, TX18 mi
- Durant, OK19 mi
- Whitesboro, TX20 mi
- Van Alstyne, TX24 mi
- Madill, OK25 mi
Elsewhere in Texas
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