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.

Partly Cloudy

17°C

63°F

Humidity 94%
Wind Speed Vrbl 6 km/h
Barometer 29.99 in
Dewpoint 16°C (61°F)
Visibility 16 km
Last update 4 May 7:50 am CDT
Extended Forecast for

Pontoon Beach IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 29. Light and variable wind becoming south 9 to 14 km/h in the morning.

    High: 29 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 14. Northwest wind 11 to 14 km/h.

    Low: 14 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24. North wind 8 to 13 km/h.

    High: 24 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Northeast wind 8 to 10 km/h becoming southeast after midnight.

    Low: 17 °C

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 26. Southeast wind 11 to 16 km/h becoming south in the afternoon. Chance of precipitation is 60%.

    High: 26 °C

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 29. Chance of precipitation is 70%.

    High: 29 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 18.

    Low: 18 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 29. Chance of precipitation is 70%.

    High: 29 °C

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 29. Light and variable wind becoming south 9 to 14 km/h in the morning.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 14. Northwest wind 11 to 14 km/h.
Sunday
Partly sunny, with a high near 24. North wind 8 to 13 km/h.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Northeast wind 8 to 10 km/h becoming southeast after midnight.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 26. Southeast wind 11 to 16 km/h becoming south in the afternoon. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 19. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 29. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 18.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 29. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 17. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 26.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 22.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Pontoon Beach IL
 38.73°N 90.06°W (Elev. 423 m)
Last Update:
5:52 am CDT May 4, 2024
Forecast Valid:
7am CDT May 4, 2024-6pm CDT May 10, 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