Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Stillwater, Stillwater Regional Airport (KSWO)

Lat: 36.16°NLon: 97.09°WElev: 984ft.

Fair

84°F

29°C

Humidity 65%
Wind Speed S 10 mph
Barometer 30.01 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Aug 8:53 am CDT
Extended Forecast for

6 Miles W Maramec OK

Heat Advisory August 17, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny, with a high near 97. Heat index values as high as 103. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm.  Mostly clear, with a low around 75. South wind around 5 mph.  Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 97. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 93. North wind 5 to 10 mph.

    High: 93 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Northeast wind 5 to 10 mph.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 103. South wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 75. South wind around 5 mph. Chance of precipitation is 10%.
Tuesday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 97. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93. North wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 68. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 91. Northeast wind 5 to 10 mph.
Thursday Night
Clear, with a low around 67. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 91. Northeast wind around 5 mph.
Friday Night
Clear, with a low around 68. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the morning.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Maramec OK
 36.22°N 96.8°W
9:50 am CDT Aug 17, 2025
9am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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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