Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair and Breezy

75°F

24°C

Humidity 41%
Wind Speed S 21 G 32 mph
Barometer 29.95 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 Apr 3:50 pm CDT
Extended Forecast for

2 Miles WSW Alton IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers.  Mostly cloudy, with a high near 79. South wind around 18 mph, with gusts as high as 29 mph.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 66. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.

    Low: 66 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 87. South wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 87 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 68. South wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 89. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 79. South wind around 18 mph, with gusts as high as 29 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 66. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 87. South wind 8 to 16 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 68. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
2:56 pm CDT Apr 12, 2026
4pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database