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.

Thunderstorm Light Rain

76°F

24°C

Humidity 88%
Wind Speed SW 8 mph
Barometer 30.05 in (1016.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 27 Jul 7:54 am CDT
Extended Forecast for

2 Miles E Eureka MO

Extreme Heat Warning July 27, 08:18am until July 29, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 08:18am until July 29, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Today

    High: 93 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 75. Light and variable wind.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 97. Heat index values as high as 111. West wind 3 to 5 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 96.

    High: 96 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 93. Heat index values as high as 106. West wind 3 to 5 mph. Chance of precipitation is 70%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 75. Light and variable wind.
Monday
Mostly sunny and hot, with a high near 97. Heat index values as high as 111. West wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 96.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Eureka MO
 38.5°N 90.61°W (Elev. 446 ft)
Last Update:
7:56 am CDT Jul 27, 2025
Forecast Valid:
8am CDT Jul 27, 2025-6pm CDT Aug 2, 2025
 
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