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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

55°F

13°C

Humidity 89%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 May 3:55 am CDT
Extended Forecast for

Pontoon Beach IL

  • Today

    Today: Partly sunny, with a high near 72. North wind 7 to 9 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming southwest after midnight.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 72. North wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 54. West wind 5 to 7 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 75. Northwest wind 7 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 60.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Pontoon Beach IL
 38.73°N 90.06°W (Elev. 423 ft)
Last Update:
3:22 am CDT May 10, 2024
Forecast Valid:
4am CDT May 10, 2024-6pm CDT May 16, 2024
 
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