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

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

68°F

20°C

Humidity 84%
Wind Speed Calm
Barometer 30.00 in (1015.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 10:54 pm CDT
Extended Forecast for

2 Miles NW Saint Peters MO

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 10am. Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 67. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 50%.

    Low: 67 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7am. High near 82. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.

    High: 82 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 1am. Low around 64. West wind around 9 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 64 °F

    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 65. Calm wind.
Saturday
A 20 percent chance of showers before 10am. Mostly sunny, with a high near 86. Calm wind.
Saturday Night
A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 67. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7am. High near 82. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms, mainly before 1am. Low around 64. West wind around 9 mph becoming northwest after midnight. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Saint Peters MO
 38.81°N 90.62°W (Elev. 436 ft)
Last Update:
8:16 pm CDT Jun 19, 2026
Forecast Valid:
11pm CDT Jun 19, 2026-6pm CDT Jun 26, 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