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

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

97°F

36°C

Humidity 34%
Wind Speed SE 14 mph
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 13 Sep 4:45 pm CDT
Extended Forecast for

Newcastle OK

Heat Advisory until September 13, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 13, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southeast wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. South wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 76. South wind 16 to 20 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 99 °F

    Hot

  • Tuesday Night

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

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. South wind around 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 76. South southeast wind 11 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny and hot, with a high near 99. South wind 13 to 18 mph, with gusts as high as 28 mph.
Monday Night
Clear, with a low around 76. South wind 16 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny and hot, with a high near 99. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle OK
 35.25°N 97.6°W
Last Update:
1:57 pm CDT Sep 13, 2026
Forecast Valid:
5pm CDT Sep 13, 2026-6pm CDT Sep 20, 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