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Heavy Rainfall in the Southern Plains, Carolinas and Florida; Heat in the West and Northeast

Heavy to excessive rainfall over parts of the southern Plains, Florida Panhandle, and coastal Carolinas may bring areas of flooding today. Hot to extremely hot temperatures are in place through early this week across much of the western U.S. and northern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Partly Cloudy

91°F

33°C

Humidity 49%
Wind Speed S 13 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 11 Aug 1:45 pm CDT
Extended Forecast for

Newcastle OK

Flood Watch August 11, 04:00pm until August 12, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 98. South wind around 9 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind 6 to 9 mph becoming north in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 10am. Partly sunny, with a high near 88. North wind around 6 mph becoming southwest in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

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

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 98. South wind around 9 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 69. South wind 6 to 9 mph becoming north in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 10am. Partly sunny, with a high near 88. North wind around 6 mph becoming southwest in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 75.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle OK
 35.25°N 97.6°W
Last Update:
1:25 pm CDT Aug 11, 2025
Forecast Valid:
2pm CDT Aug 11, 2025-6pm CDT Aug 17, 2025
 
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