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

Lawton, Lawton Municipal Airport (KLAW)

Lat: 34.56°NLon: 98.42°WElev: 1109ft.

Fair

76°F

24°C

Humidity 91%
Wind Speed S 14 mph
Barometer 29.76 in (1006.6 mb)
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index76°F (24°C)
Last update 21 Jun 2:53 am CDT
Extended Forecast for

Fort Sill OK

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

    Today: Sunny, with a high near 95. Heat index values as high as 105. South wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 74. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 91. Heat index values as high as 99. East northeast wind 8 to 11 mph.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 70. East wind 6 to 11 mph.  Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 92. South southeast wind 6 to 8 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • 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 72. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 105. South wind 13 to 18 mph, with gusts as high as 28 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. Southeast wind 7 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 91. Heat index values as high as 99. East northeast wind 8 to 11 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. East wind 6 to 11 mph. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. South southeast wind 6 to 8 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
Partly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny and hot, with a high near 99.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Sill OK
 34.67°N 98.41°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