Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles NE Willis OK

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 101. South wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 73. South southwest wind 3 to 6 mph.

    Low: 73 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 92. South southwest wind 3 to 6 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 101. South wind 6 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 76. South wind 13 to 15 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind 3 to 6 mph.
Juneteenth
Sunny, with a high near 92. South southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 76.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Willis OK
 33.93°N 96.77°W
4:26 am CDT Jun 17, 2025
6am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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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