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.

Light Snow

15°F

-9°C

Humidity 73%
Wind Speed NW 9 mph
Barometer 30.49 in
Dewpoint 8°F (-13°C)
Visibility 5.00 mi
Wind Chill3°F (-16°C)
Last update 30 Jan 10:35 pm CST
Extended Forecast for

Pontoon Beach IL

  • Tonight

    Tonight: A chance of flurries before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Northwest wind around 10 mph.

    Low: 4 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 20. Wind chill values as low as -10. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 20 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2. Northwest wind 5 to 7 mph becoming light and variable in the evening.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 30. South wind 3 to 8 mph.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. South wind around 6 mph becoming light and variable after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A chance of flurries before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Northwest wind around 10 mph.
Saturday
Mostly sunny and cold, with a high near 20. Wind chill values as low as -10. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 2. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Sunday
Partly sunny, with a high near 30. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 20. South wind around 6 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
A slight chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pontoon Beach IL
 38.73°N 90.06°W (Elev. 423 ft)
Last Update:
9:26 pm CST Jan 30, 2026
Forecast Valid:
10pm CST Jan 30, 2026-6pm CST Feb 6, 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