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.

Overcast

68°F

20°C

Humidity 88%
Wind Speed E 14 mph
Barometer 29.66 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 May 12:50 pm CDT
Extended Forecast for

2 Miles SW Alton IL

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 70. Northeast wind around 8 mph. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then isolated showers between midnight and 1am. Patchy fog between 10pm and 4am. Otherwise, cloudy, with a low around 58. North wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 74. North wind 8 to 10 mph.

    High: 74 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59. North wind 5 to 7 mph becoming east after midnight.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. South wind 5 to 13 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    T-storms
    Likely then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 70. Northeast wind around 8 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before midnight, then isolated showers between midnight and 1am. Patchy fog between 10pm and 4am. Otherwise, cloudy, with a low around 58. North wind 7 to 9 mph. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 74. North wind 8 to 10 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59. North wind 5 to 7 mph becoming east after midnight.
Thursday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. South wind 5 to 13 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
Last Update:
12:22 pm CDT May 14, 2024
Forecast Valid:
1pm CDT May 14, 2024-6pm CDT May 20, 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