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

61°F

16°C

Humidity 78%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 May 1:55 am CDT
Extended Forecast for

2 Miles WSW Alton IL

  • Overnight

    Overnight: Mostly clear, with a low around 54. Northwest wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. North wind 5 to 8 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. East wind 3 to 6 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. East wind 5 to 8 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. East wind 6 to 8 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 76. North wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 55. East wind 3 to 6 mph.
Thursday
Sunny, with a high near 79. East wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 58. East wind 6 to 8 mph.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.91°N 90.19°W (Elev. 538 ft)
Last Update:
12:22 am CDT May 29, 2024
Forecast Valid:
2am CDT May 29, 2024-6pm CDT Jun 4, 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