Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Ottawa Municipal Airport (KOWI)

Lat: 38.54°NLon: 95.25°WElev: 958ft.

Fair

70°F

21°C

Humidity 78%
Wind Speed S 7 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 31 Aug 5:55 am CDT
Extended Forecast for

2 Miles SSW Williamsburg KS

Heat Advisory August 31, 06:20am until August 31, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 31, 06:20am until August 31, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. South wind around 10 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South wind around 10 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. South wind around 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South wind around 10 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 75. South wind around 10 mph.
Tuesday
Sunny and hot, with a high near 99. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 98. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 98. South wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 73. South wind around 10 mph.
Friday
Sunny, with a high near 92. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 93.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Williamsburg KS
 38.44°N 95.48°W
5:41 am CDT Aug 31, 2026
6am CDT Aug 31, 2026-6pm CDT Sep 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