Current conditions at

St Clair County Airport (KPLR)

Lat: 33.56° N Lon: 86.25° W Elev: 485 ft.

Fair

86°F

30°C

Humidity 79%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 15 Aug 9:55 am CDT
Detailed forecast for

St. Clair County

Today
Sunny. A slight chance of showers and thunderstorms this morning. Hot with highs in the upper 90s. West winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108.
Tonight
Mostly clear. Lows in the mid 70s. West winds around 5 mph in the evening, becoming light and variable. Heat index values up to 107 early in the evening.
Sunday
Sunny, hot with highs in the upper 90s. West winds around 5 mph. Heat index values up to 107.
Sunday Night
Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph. Heat index values up to 106 early in the evening.
Monday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 110.
Monday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Tuesday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.
Tuesday Night
Partly cloudy. Lows in the lower 70s.
Wednesday
Mostly sunny. Highs in the mid 90s. Heat index values up to 110.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 70s.
Thursday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
Thursday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent.
Friday
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.



Basemap Options
Click map to change the forecast location
Loading map...
622 AM CDT Sat Aug 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database