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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

91°F

33°C

Humidity 56%
Wind Speed S 6 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Jun 6:54 pm CDT
Extended Forecast for

High Hill MO

Heat Advisory June 21, 07:03pm until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 21, 07:03pm until June 24, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • Tonight

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 100. Southwest wind 6 to 9 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

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

    High: 94 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 75. South wind 8 to 10 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 94. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Clear, with a low around 74. South wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 94. Heat index values as high as 100. Southwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 74. South wind around 6 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
High Hill MO
 38.87°N 91.39°W (Elev. 810 ft)
Last Update:
5:52 pm CDT Jun 21, 2025
Forecast Valid:
7pm CDT Jun 21, 2025-6pm CDT Jun 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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