Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Fair

93°F

34°C

Humidity 50%
Wind Speed S 12 G 18 mph
Barometer 30.01 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 11 Aug 11:46 am CDT
Extended Forecast for

Newcastle OK

Heat Advisory until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 14, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. South wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 78 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. Heat index values as high as 106. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 79. South wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 79 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. South wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 79.

    Low: 79 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 78.

    Low: 78 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 104. South wind around 15 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 78. South wind 13 to 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 102. Heat index values as high as 106. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Clear, with a low around 79. South wind 15 to 18 mph, with gusts as high as 28 mph.
Thursday
Sunny and hot, with a high near 103. South wind 18 to 22 mph, with gusts as high as 33 mph.
Thursday Night
Clear, with a low around 79.
Friday
Sunny and hot, with a high near 101.
Friday Night
Clear, with a low around 78.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 102.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle OK
 35.25°N 97.6°W
1:27 am CDT Aug 11, 2026
12pm CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
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Additional Resources

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