Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
62°F
17°C
| Humidity | 89% |
| Wind Speed | S 9 mph |
| Barometer | 29.88 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 2:55 am CDT |
Extended Forecast for
6 Miles SW Carlinville IL
Overnight

Low: 60 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny then
Sunny and
BreezyTuesday Night
Low: 49 °F
Slight Chance
T-storms then
T-stormsWednesday
High: 66 °F⇓
T-storms then
Showers and
BreezyWednesday Night

Low: 31 °F
Partly Cloudy
Thursday

High: 53 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 60 °F
Mostly Cloudy
Friday Night

Low: 36 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 60. South wind around 9 mph.
Tuesday
Sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 49. Southwest wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm. Temperature falling to around 47 by 5pm. Breezy, with a southwest wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 31. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 42. Breezy.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 34.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SW Carlinville IL
39.21°N 89.95°W (Elev. 548 ft)
39.21°N 89.95°W (Elev. 548 ft)
1:25 am CDT Mar 10, 2026
3am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


