Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

-3°F

-19°C

Humidity 68%
Wind Speed W 7 mph
Barometer 30.43 in (1032.3 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-17°F (-27°C)
Last update 26 Jan 2:54 am CST
Extended Forecast for

Chesterfield MO

Extreme Cold Warning January 26, 03:45am until January 26, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 03:45am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Overnight

    Low: -6 °F

    Clear

  • Monday

    Monday: Sunny and cold, with a high near 17. Wind chill values as low as -20. West wind 6 to 8 mph.

    High: 17 °F

    Cold

  • Monday Night

    Monday Night: Clear, with a temperature falling to near 7 by 8pm, then rising to around 15 during the remainder of the night. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 7 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32. West wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 2. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 21.

    High: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around -6. Wind chill values as low as -20. West wind around 7 mph.
Monday
Sunny and cold, with a high near 17. Wind chill values as low as -20. West wind 6 to 8 mph.
Monday Night
Clear, with a temperature falling to near 7 by 8pm, then rising to around 15 during the remainder of the night. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 32. West wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 2. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 5.
Thursday
Mostly cloudy, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly sunny and cold, with a high near 18.
Friday Night
Mostly clear, with a low around -2.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
3:16 am CST Jan 26, 2026
3am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database