Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

72°F

22°C

Humidity 83%
Wind Speed S 10 mph
Barometer 29.62 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Jun 7:50 am CDT
Extended Forecast for

Mount Clare IL

Tornado Watch until June 17, 03:00pm
Wind Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch until June 17, 03:00pm

    NOW until 3:00pm Wed

    Tornado Watch

  • Today

    High: 89 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, with a low around 65. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 70%.

    Low: 65 °F

    T-storms
    Likely and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm.  Increasing clouds, with a high near 77. Northwest wind 8 to 10 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the morning.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 89. Breezy, with a south wind 11 to 16 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 65. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 77. Northwest wind 8 to 10 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 82. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Mount Clare IL
 39.1°N 89.84°W (Elev. 656 ft)
7:56 am CDT Jun 17, 2026
8am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database