Extreme Heat and Fire Weather Conditions in the West; Severe Thunderstorm Threat in the Northern Plains on Thursday
Extreme heat will may set some new daily temperature records across the Desert Southwest. Hot, dry and windy conditions and dry thunderstorms continue to bring fire weather concerns for portions of the Desert Southwest, the central Great Basin and Rockies. Severe thunderstorms and heavy rain are expected across the Northern Plains late Thursday. Read More >
Hazardous Weather Conditions
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
79°F
26°C
| Humidity | 75% |
| Wind Speed | SE 9 mph |
| Barometer | 30.13 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 7 Aug 2:55 am CDT |
Extended Forecast for
2 Miles SW Denison TX
Heat Advisory August 7, 01:00pm until August 8, 07:00pm
Overnight
Low: 74 °F
Clear
Thursday
High: 98 °F
Sunny
Thursday Night
Low: 77 °F
Clear
Friday
High: 100 °F
Hot
Friday Night
Low: 77 °F
Mostly Clear
Saturday
High: 98 °F
Sunny
Saturday Night
Low: 76 °F
Mostly Clear
Sunday
High: 96 °F
Sunny
Sunday Night
Low: 76 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 74. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 98. Heat index values as high as 104. South wind 5 to 10 mph.
Thursday Night
Clear, with a low around 77. South wind around 5 mph.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 107. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 98. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 96. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Denison TX
33.73°N 96.6°W (Elev. 702 ft)
33.73°N 96.6°W (Elev. 702 ft)
12:24 am CDT Aug 7, 2025
3am CDT Aug 7, 2025-6pm CDT Aug 13, 2025
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