Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Clinton, Clinton-Sherman Airport (KCSM)

Lat: 35.36°NLon: 99.2°WElev: 1919ft.

Fair and Breezy

75°F

24°C

Humidity 84%
Wind Speed S 25 G 37 mph
Barometer 29.69 in (1002.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Jun 3:53 am CDT
Extended Forecast for

5 Miles N Willow OK

Heat Advisory June 21, 01:00pm until June 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 99. Heat index values as high as 106. South southwest wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 10pm.  Mostly clear, with a low around 71. East southeast wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. East northeast wind around 14 mph, with gusts as high as 21 mph.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. East northeast wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 92. Southeast wind around 9 mph.

    High: 92 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 106. South southwest wind 17 to 21 mph, with gusts as high as 31 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 10pm. Mostly clear, with a low around 71. East southeast wind 11 to 15 mph, with gusts as high as 23 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. East northeast wind around 14 mph, with gusts as high as 21 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. East northeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 92. Southeast wind around 9 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
Partly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny and hot, with a high near 102. Windy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Willow OK
 35.12°N 99.52°W
3:27 am CDT Jun 21, 2026
4am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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