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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick, Frederick Municipal Airport (KFDR)

Lat: 34.34°NLon: 98.98°WElev: 1253ft.

Fair

103°F

39°C

Humidity 20%
Wind Speed W 14 mph
Barometer 30.00 in (1013.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 18 Aug 11:53 am CDT
Extended Forecast for

Frederick OK

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Heat Advisory August 18, 12:16pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 18, 12:16pm until August 18, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 109 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 108. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 108 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 107. North northwest wind 7 to 9 mph becoming south in the afternoon.

    High: 107 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 107.

    High: 107 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 109. South southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 80. South wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 108. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday
Sunny and hot, with a high near 107. North northwest wind 7 to 9 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 107.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 109.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 110.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny and hot, with a high near 110.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Frederick OK
 34.39°N 99.03°W
Last Update:
1:26 am CDT Aug 18, 2026
Forecast Valid:
12pm CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation