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

57°F

14°C

Humidity 39%
Wind Speed S 9 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 27 Feb 11:53 pm CST
Extended Forecast for

6 Miles WNW Sumner OK

  • Overnight

    Overnight: Partly cloudy, with a low around 50. East southeast wind 5 to 7 mph becoming south.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. South southeast wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 45. North wind 6 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 56. East wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Northeast wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. East southeast wind 5 to 7 mph becoming south.
Saturday
Sunny, with a high near 80. South southeast wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 45. North wind 6 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.
Sunday
A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 56. East wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Northeast wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 59.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 47.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 69.
Wednesday Night
A 40 percent chance of showers. Mostly clear, with a low around 48.
Thursday
A 30 percent chance of showers. Sunny, with a high near 76.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Sumner OK
 36.33°N 97.23°W
Last Update:
12:27 am CST Feb 28, 2026
Forecast Valid:
12am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
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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