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

89°F

32°C

Humidity 59%
Wind Speed W 9 mph
Barometer 30.20 in (1021.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 24 Jun 10:54 am CDT
Extended Forecast for

2 Miles NW Saint Peters MO

Heat Advisory June 24, 11:10am until June 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 24, 11:10am until June 26, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Today

    High: 94 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 95 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Light south wind. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 4pm. Partly sunny, with a high near 94. Heat index values as high as 101. West wind around 7 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Light south wind. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Saint Peters MO
 38.81°N 90.62°W (Elev. 436 ft)
Last Update:
6:21 am CDT Jun 24, 2025
Forecast Valid:
11am CDT Jun 24, 2025-6pm CDT Jun 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation