National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heatwave Continues; Thunderstorms and Showers in the Upper Midwest

An ongoing significant heat wave will continue through early week in the Southeast, Mid-South, and Plains, where the Heat index could exceed 110 degrees in some places. Scattered severe thunderstorms and heavy rain will be possible over parts of the Upper Midwest on Monday. Monsoon-like conditions continue to produce isolated flash flooding in the Southwest and Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

89°F

32°C

Humidity 51%
Wind Speed S 7 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 23 Jun 9:35 pm CDT
Extended Forecast for

2 Miles S Willis OK

Heat Advisory June 24, 12:00pm until June 25, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 102. South southwest wind around 5 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South southeast wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. Heat index values as high as 103. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South southwest wind around 5 mph.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. South wind around 5 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South wind around 5 mph.
Monday
Sunny, with a high near 96. Heat index values as high as 102. South southwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 79. South southeast wind around 5 mph.
Tuesday
Sunny, with a high near 97. Heat index values as high as 103. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 80. South wind around 10 mph.
Wednesday
Sunny, with a high near 98. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 5 mph.
Thursday
Sunny, with a high near 98. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 80. South southeast wind around 10 mph.
Friday
Sunny, with a high near 97.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 80.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Willis OK
 33.86°N 96.82°W (Elev. 633 ft)
Last Update:
6:21 pm CDT Jun 23, 2024
Forecast Valid:
9pm CDT Jun 23, 2024-6pm CDT Jun 30, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation