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

42°F

6°C

Humidity 76%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 6 Apr 3:35 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Overnight

    Overnight: Clear, with a low around 36. West wind around 7 mph.

    Low: 36 °F

    Clear

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 58. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 58 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 35. Northeast wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain and snow likely, mainly before 7am. Mostly cloudy, with a high near 49. East wind around 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southeast wind 8 to 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 36. West wind around 7 mph.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 58. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
A 40 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 35. Northeast wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday
Rain and snow likely, mainly before 7am. Mostly cloudy, with a high near 49. East wind around 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 37. Southeast wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
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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:
2:41 am CDT Apr 6, 2026
Forecast Valid:
3am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
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