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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Thunderstorm in Vicinity

72°F

22°C

Humidity 88%
Wind Speed NE 10 mph
Barometer 29.91 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Jun 6:15 am CDT
Extended Forecast for

Willis OK

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. High near 82. North wind 6 to 8 mph becoming east southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 72. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. South southeast wind 5 to 7 mph.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 7 to 9 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly clear, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • 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. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.

    Low: 74 °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

Detailed Forecast

Juneteenth
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. High near 82. North wind 6 to 8 mph becoming east southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 72. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. South southeast wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 7 to 9 mph.
Sunday
Sunny, with a high near 92. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly clear, with a low around 77. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. 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 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Willis OK
 33.89°N 96.83°W
Last Update:
1:27 am CDT Jun 19, 2026
Forecast Valid:
6am CDT Jun 19, 2026-6pm CDT Jun 25, 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