Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
34°F
1°C
| Humidity | 87% |
| Wind Speed | W 8 mph |
| Barometer | 29.96 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 6 Dec 6:50 am CST |
Extended Forecast for
Pontoon Beach IL
Today

High: 43 °F
Mostly Sunny
Tonight

Low: 34 °F
Slight Chance
RainSunday
High: 40 °F
Slight Chance
Rain then
Mostly CloudySunday Night
Low: 18 °F
Slight Chance
Snow then
Mostly CloudyMonday

High: 33 °F
Mostly Sunny
Monday Night

Low: 23 °F
Partly Cloudy
Tuesday

High: 50 °F
Mostly Sunny
Tuesday Night

Low: 38 °F
Mostly Cloudy
Wednesday

High: 45 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 43. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
A 20 percent chance of rain after 11pm. Cloudy, with a low around 34. Southeast wind 6 to 8 mph.
Sunday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 40. South wind 5 to 14 mph becoming north in the afternoon.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18. North wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 33. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 29.
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)
6:16 am CST Dec 6, 2025
6am CST Dec 6, 2025-6pm CST Dec 12, 2025


