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

45°F

7°C

Humidity 46%
Wind Speed E 16 mph
Barometer 30.32 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Mar 2:50 pm CST
Extended Forecast for

5 Miles E Carlinville IL

Winter Weather Advisory March 1, 06:00pm until March 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain, snow, and sleet before 3am, then a slight chance of rain and snow between 3am and 4am. Low around 31. East wind 9 to 11 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of less than one inch possible.

    Low: 31 °F

    Wintry Mix

  • Monday

    Monday: A chance of rain and snow before 8am, then a slight chance of rain between 8am and noon. Mostly cloudy, with a high near 44. East wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Rain likely after midnight. Cloudy, with a low around 37. Southeast wind around 6 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Cloudy then
    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 59. South wind 6 to 10 mph. Chance of precipitation is 90%.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 51. Southeast wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance Rain
    then Chance
    T-storms

Detailed Forecast

Tonight
Rain, snow, and sleet before 3am, then a slight chance of rain and snow between 3am and 4am. Low around 31. East wind 9 to 11 mph. Chance of precipitation is 90%. Total nighttime snow and sleet accumulation of less than one inch possible.
Monday
A chance of rain and snow before 8am, then a slight chance of rain between 8am and noon. Mostly cloudy, with a high near 44. East wind 6 to 10 mph. Chance of precipitation is 30%.
Monday Night
Rain likely after midnight. Cloudy, with a low around 37. Southeast wind around 6 mph. Chance of precipitation is 70%.
Tuesday
Rain. High near 59. South wind 6 to 10 mph. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 51. Southeast wind 6 to 8 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 66. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 49. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 55.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Friday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 60.
Saturday Night
A 30 percent chance of rain. Partly cloudy, with a low around 39.
Sunday
A 30 percent chance of rain. Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
Last Update:
3:06 pm CST Mar 1, 2026
Forecast Valid:
3pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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