Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
36°F
2°C
| Humidity | 44% |
| Wind Speed | S 9 mph |
| Barometer | 29.93 in |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 5 Dec 1:50 pm CST |
Extended Forecast for
Pontoon Beach IL
This Afternoon

High: 39 °F
Sunny
Tonight

Low: 28 °F
Mostly Cloudy
Saturday

High: 39 °F
Partly Sunny
Saturday Night
Low: 31 °F
Mostly Cloudy
then Chance
SnowSunday
High: 39 °F
Chance
Rain/Snow
then Mostly
CloudySunday Night

Low: 14 °F
Mostly Cloudy
Monday

High: 31 °F
Mostly Sunny
Monday Night

Low: 23 °F
Partly Cloudy
Tuesday

High: 46 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 39. South wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 28. South wind 5 to 7 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 39. West wind around 5 mph becoming calm.
Saturday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 31. Southeast wind around 6 mph.
Sunday
A chance of rain before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a high near 39. Southeast wind 6 to 14 mph becoming northwest in the morning. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 33.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Pontoon Beach IL
38.73°N 90.06°W (Elev. 423 ft)
38.73°N 90.06°W (Elev. 423 ft)
1:56 pm CST Dec 5, 2025
2pm CST Dec 5, 2025-6pm CST Dec 11, 2025


