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.

Partly Cloudy

5°F

-15°C

Humidity 31%
Wind Speed NE 10 mph
Barometer 30.70 in (1041.2 mb)
Dewpoint -19°F (-28°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 23 Jan 5:54 pm CST
Extended Forecast for

Wentzville MO

Cold Weather Advisory until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Tonight

    Low: 1 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly after noon. High near 11. Wind chill values as low as -15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 11 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. Low around 8. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Snow, mainly before noon. High near 16. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around -2. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

Tonight
Cloudy, with a low around 1. Wind chill values as low as -15. Northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
Snow, mainly after noon. High near 11. Wind chill values as low as -15. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow. Low around 8. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before noon. High near 16. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -2. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny and cold, with a high near 16.
Monday Night
Mostly clear, with a low around 5.
Tuesday
Sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 5.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Partly cloudy, with a low around 6.
Friday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wentzville MO
 38.81°N 90.85°W (Elev. 633 ft)
Last Update:
4:56 pm CST Jan 23, 2026
Forecast Valid:
6pm CST Jan 23, 2026-6pm CST Jan 30, 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