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

Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Ottawa Municipal Airport (KOWI)

Lat: 38.54°NLon: 95.25°WElev: 958ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed S 7 mph
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 10 Aug 9:55 pm CDT
Extended Forecast for

Rantoul KS

Heat Advisory August 11, 12:00pm until August 11, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 80. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 80. South wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 80. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 105. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 79. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny and hot, with a high near 99. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and hot, with a high near 98. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and hot, with a high near 97.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rantoul KS
 38.55°N 95.11°W
Last Update:
6:21 pm CDT Aug 10, 2026
Forecast Valid:
10pm CDT Aug 10, 2026-6pm CDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation