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

Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Light Rain

73°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Last update 20 Jun 12:35 am CDT
Extended Forecast for

5 Miles ESE Willis OK

  • Overnight

    Overnight: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Southeast wind 5 to 7 mph.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South wind 8 to 11 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 92 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 75. Chance of precipitation is 70%.

    Low: 75 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East southeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Southeast wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 77. South wind 8 to 11 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 23 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. South wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 75. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Willis OK
 33.84°N 96.75°W
Last Update:
1:26 pm CDT Jun 19, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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