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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 29.97 in (1013.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 11 Aug 1:54 am CDT
Extended Forecast for

Saint Paul MO

Extreme Heat Warning August 11, 02:33am until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 11, 02:33am until August 12, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 8 to 10 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. Southwest wind 3 to 6 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 109. Southwest wind 5 to 7 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Light and variable wind.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South wind around 7 mph.
Tuesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 76. Southwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 109. Southwest wind 5 to 7 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Light and variable wind.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73.
Friday
Partly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 95.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Paul MO
 38.85°N 90.73°W (Elev. 499 ft)
Last Update:
2:21 am CDT Aug 11, 2026
Forecast Valid:
2am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
Forecast Discussion
 
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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