Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Ottawa Municipal Airport (KOWI)

Lat: 38.54°NLon: 95.25°WElev: 958ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 6 Sep 7:15 am CDT
Extended Forecast for

Ottawa KS

Extreme Heat Warning September 6, 07:21am until September 8, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 6, 07:21am until September 8, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Today

    High: 99 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. East wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 96. Southeast wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 96. Southwest wind around 5 mph becoming north in the afternoon.

    High: 96 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 65. Northeast wind around 5 mph.  Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 99. Calm wind becoming east around 5 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. East wind around 5 mph.
Labor Day
Sunny, with a high near 96. Southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 75. South wind around 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Southwest wind around 5 mph becoming north in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Northeast wind around 5 mph. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. East wind around 5 mph.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 65. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa KS
 38.62°N 95.26°W
5:36 am CDT Sep 6, 2026
7am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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