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

Stillwater, Stillwater Regional Airport (KSWO)

Lat: 36.16°NLon: 97.09°WElev: 984ft.

Fair

59°F

15°C

Humidity 81%
Wind Speed S 7 mph
Barometer 29.80 in (1008.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 9 Mar 4:53 am CDT
Extended Forecast for

Sumner OK

  • Today

    Today: Sunny, with a high near 87. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 83. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 51. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 63. Windy, with a north wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 63 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 64. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 83. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 51. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 63. Windy, with a north wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner OK
 36.31°N 97.12°W
Last Update:
1:27 am CDT Mar 9, 2026
Forecast Valid:
5am CDT Mar 9, 2026-6pm CDT Mar 15, 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