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

29°C

84°F

Humidity 29%
Wind Speed W 13 km/h
Barometer 29.91 in
Dewpoint 9°C (48°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 7 Jun 3:50 pm CDT
Extended Forecast for

2 Miles WSW Alton IL

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 19. Northwest wind 6 to 11 km/h becoming light and variable. Chance of precipitation is 60%.

    Low: 19 °C

    Mostly Clear
    then Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. High near 29. Southeast wind 10 to 15 km/h becoming southwest 16 to 21 km/h in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 80%.

    High: 29 °C

    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 7pm and midnight. Mostly cloudy, with a low around 18. Northwest wind 5 to 10 km/h becoming calm.

    Low: 18 °C

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 27. North wind around 11 km/h.

    High: 27 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. North wind 6 to 11 km/h becoming light.

    Low: 16 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 26.

    High: 26 °C

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 17.

    Low: 17 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 19. Northwest wind 6 to 11 km/h becoming light and variable. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. High near 29. Southeast wind 10 to 15 km/h becoming southwest 16 to 21 km/h in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 7pm and midnight. Mostly cloudy, with a low around 18. Northwest wind 5 to 10 km/h becoming calm.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 27. North wind around 11 km/h.
Sunday Night
Mostly clear, with a low around 16. North wind 6 to 11 km/h becoming light.
Monday
Sunny, with a high near 26.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 17.
Wednesday
Sunny, with a high near 30.
Wednesday Night
Mostly clear, with a low around 18.
Thursday
Sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 33.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 m)
Last Update:
1:52 pm CDT Jun 7, 2024
Forecast Valid:
4pm CDT Jun 7, 2024-6pm CDT Jun 14, 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