National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

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 94%
Wind Speed SE 9 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 May 11:45 am CDT
Extended Forecast for

5 Miles WNW Carlinville IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Southeast wind 6 to 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 85. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.

    High: 85 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: 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. Partly sunny, with a high near 86. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 86 °F

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 81. South wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tonight
Mostly cloudy, with a low around 64. Southeast wind 6 to 10 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 85. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 65. South wind 15 to 18 mph, with gusts as high as 28 mph.
Monday
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. Partly sunny, with a high near 86. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Carlinville IL
 39.32°N 89.94°W (Elev. 627 ft)
Last Update:
10:51 am CDT May 16, 2026
Forecast Valid:
11am CDT May 16, 2026-6pm CDT May 22, 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