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.

Fair

23°C

73°F

Humidity 53%
Wind Speed SE 19 km/h
Barometer 30.05 in
Dewpoint 13°C (55°F)
Visibility 16 km
Last update 31 May 6:50 pm CDT
Extended Forecast for

2 Miles WSW Alton IL

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 18. Southeast wind 11 to 18 km/h. Chance of precipitation is 100%.

    Low: 18 °C

    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 23. Southeast wind 11 to 14 km/h. Chance of precipitation is 60%.

    High: 23 °C

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 17. North wind 5 to 10 km/h becoming calm.

    Low: 17 °C

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Calm wind becoming south 5 to 10 km/h in the morning.

    High: 29 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 20. South wind 8 to 10 km/h.

    Low: 20 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 29. Chance of precipitation is 70%.

    High: 29 °C

    T-storms
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.

    High: 29 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Showers likely, then showers and possibly a thunderstorm after 10pm. Low around 18. Southeast wind 11 to 18 km/h. Chance of precipitation is 100%.
Saturday
Showers and thunderstorms likely before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 23. Southeast wind 11 to 14 km/h. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 17. North wind 5 to 10 km/h becoming calm.
Sunday
Mostly sunny, with a high near 29. Calm wind becoming south 5 to 10 km/h in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 20. South wind 8 to 10 km/h.
Monday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 29. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 19.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 29.
Thursday Night
Mostly clear, with a low around 18.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 27.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.91°N 90.19°W (Elev. 538 m)
Last Update:
5:52 pm CDT May 31, 2024
Forecast Valid:
7pm CDT May 31, 2024-6pm CDT Jun 7, 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