Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°EElev: 748ft.

Fair

91°F

33°C

Humidity 55%
Wind Speed S 7 mph
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 19 Aug 5:35 pm CDT
Extended Forecast for

Willis OK

  • This
    Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny and hot, with a high near 97. Heat index values as high as 104. Southeast wind around 5 mph.  Chance of precipitation is 10%.

    Isolated
    T-storms

    High: 97 °F

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm.  Partly cloudy, with a low around 77. Southeast wind around 6 mph.  Chance of precipitation is 10%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 77 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Heat index values as high as 103. South wind 5 to 7 mph.

    Mostly Sunny

    High: 96 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 75. Southeast wind 5 to 7 mph.

    Partly Cloudy

    Low: 75 °F

  • Monday

    Monday: Mostly sunny, with a high near 95. South southeast wind 5 to 8 mph.

    Mostly Sunny

    High: 95 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 75.

    Mostly Clear

    Low: 75 °F

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    Sunny

    High: 95 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75.

    Chance
    T-storms

    Low: 75 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90.

    Chance
    T-storms

    High: 90 °F

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 97. Heat index values as high as 104. Southeast wind around 5 mph. Chance of precipitation is 10%.
Tonight
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Southeast wind around 6 mph. Chance of precipitation is 10%.
Sunday
Mostly sunny, with a high near 96. Heat index values as high as 103. South wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 95. South southeast wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 95.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Partly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Willis OK
 9.9692099683869E+36°N 9.9692099683869E+36°E
11:44 am CDT Aug 19, 2017
5pm CDT Aug 19, 2017-6pm CDT Aug 26, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database