Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
25°F
-4°C
| Humidity | 85% |
| Wind Speed | NW 10 mph |
| Barometer | 30.07 in |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 15°F (-9°C) |
| Last update | 2 Dec 12:15 am CST |
Extended Forecast for
Pontoon Beach IL
Overnight

Low: 19 °F
Chance Snow
Tuesday

High: 27 °F
Partly Sunny
Tuesday Night

Low: 20 °F
Partly Cloudy
Wednesday

High: 38 °F
Partly Sunny
Wednesday Night

Low: 13 °F
Mostly Cloudy
Thursday

High: 21 °F
Mostly Sunny
Thursday Night

Low: 8 °F
Partly Cloudy
Friday
High: 37 °F
Slight Chance
Snow then
Mostly SunnyFriday Night

Low: 25 °F
Partly Cloudy
Detailed Forecast
Overnight
A 40 percent chance of snow, mainly before 1am. Cloudy, with a low around 19. Northwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 27. Northwest wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 20. South wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 38. South wind around 7 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 13. North wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Partly cloudy, with a low around 8.
Friday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly cloudy, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 37.
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)
12:01 am CST Dec 2, 2025
12am CST Dec 2, 2025-6pm CST Dec 8, 2025



