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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

27°F

-3°C

Humidity 64%
Wind Speed S 10 mph
Barometer 30.19 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 1 Feb 9:50 pm CST
Extended Forecast for

3 Miles NW Pontoon Beach IL

  • Tonight

    Tonight: A slight chance of snow before 10pm, then a chance of flurries between 10pm and 11pm. Cloudy, with a low around 20. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow then
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 36. Light and variable wind becoming west around 6 mph.

    High: 36 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. East wind 3 to 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly cloudy, with a high near 33. North wind 5 to 9 mph.

    High: 33 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. North wind 3 to 6 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 10pm, then a chance of flurries between 10pm and 11pm. Cloudy, with a low around 20. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 36. Light and variable wind becoming west around 6 mph.
Monday Night
Mostly cloudy, with a low around 28. East wind 3 to 5 mph.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 33. North wind 5 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 17. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly clear, with a low around 14.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Pontoon Beach IL
 38.77°N 90.08°W (Elev. 427 ft)
Last Update:
8:51 pm CST Feb 1, 2026
Forecast Valid:
9pm CST Feb 1, 2026-6pm CST Feb 8, 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