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.

Overcast

49°F

9°C

Humidity 69%
Wind Speed W 12 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 1 Nov 3:54 pm CDT
Extended Forecast for

Lake St. Louis MO

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northwest wind around 9 mph.

    High: 51 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Slight Chance
    Rain then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, clear, with a low around 35. Calm wind becoming south around 5 mph after midnight.

    Low: 35 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 65. Southwest wind 5 to 7 mph becoming west in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northwest wind around 9 mph.
Tonight
A 20 percent chance of rain before 8pm. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 65. Southwest wind 5 to 7 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 67.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 53.
Friday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 47.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake St. Louis MO
 38.79°N 90.79°W (Elev. 512 ft)
Last Update:
4:16 pm CDT Nov 1, 2025
Forecast Valid:
4pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation