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

74°F

23°C

Humidity 56%
Wind Speed Calm
Barometer 30.00 in (1015.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Sep 5:54 pm CDT
Extended Forecast for

3 Miles WSW Old Monroe MO

  • Tonight

    Tonight: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. South wind 3 to 8 mph.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 53. Calm wind.
Tuesday
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. South wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 88. South wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 70. South wind around 7 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 71.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Old Monroe MO
 38.92°N 90.79°W (Elev. 466 ft)
Last Update:
6:01 pm CDT Sep 28, 2026
Forecast Valid:
6pm CDT Sep 28, 2026-6pm CDT Oct 5, 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