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.

Fair

28°C

82°F

Humidity 26%
Wind Speed NW 28 G 44 km/h
Barometer 29.80 in
Dewpoint 7°C (45°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 6 Jun 2:50 pm CDT
Extended Forecast for

2 Miles SW Alton IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 29. Northwest wind around 26 km/h, with gusts as high as 39 km/h.

    High: 29 °C

    Sunny

  • Tonight

    Tonight: Clear, with a low around 15. West wind 16 to 21 km/h decreasing to 10 to 15 km/h in the evening.

    Low: 15 °C

    Clear

  • Friday

    Friday: Sunny, with a high near 29. Northwest wind 11 to 18 km/h.

    High: 29 °C

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 18. Calm wind becoming south 5 to 10 km/h in the evening.

    Low: 18 °C

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 28. South wind 8 to 18 km/h. Chance of precipitation is 70%.

    High: 28 °C

    Showers
    Likely

  • Saturday Night

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

    Low: 18 °C

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 26.

    High: 26 °C

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15.

    Low: 15 °C

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Sunny, with a high near 25.

    High: 25 °C

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 29. Northwest wind around 26 km/h, with gusts as high as 39 km/h.
Tonight
Clear, with a low around 15. West wind 16 to 21 km/h decreasing to 10 to 15 km/h in the evening.
Friday
Sunny, with a high near 29. Northwest wind 11 to 18 km/h.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 18. Calm wind becoming south 5 to 10 km/h in the evening.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 28. South wind 8 to 18 km/h. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 15.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 25.
Monday Night
Mostly clear, with a low around 14.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 27.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 30.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Alton IL
 38.88°N 90.16°W (Elev. 466 m)
Last Update:
2:37 pm CDT Jun 6, 2024
Forecast Valid:
2pm CDT Jun 6, 2024-6pm CDT Jun 12, 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