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

Hazardous Weather Outlook

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89° N Lon: 90.03° W Elev: 518 ft.

Fair

72°F

22°C

Humidity	69%
Wind Speed	SE 3 mph
Barometer	30.04 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	25 May 7:50 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Macoupin County

Tonight

Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Tuesday

Partly sunny in the morning, then becoming mostly cloudy. Highs around 80. East winds around 5 mph.

Tuesday Night

Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 30 percent.

Wednesday

Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. East winds around 5 mph. Chance of rain 60 percent.

Wednesday Night

Partly cloudy. Lows around 60. East winds around 5 mph.

Thursday And Thursday Night

Mostly cloudy. Highs in the lower 80s. Lows around 60.

Friday And Friday Night

Mostly cloudy. A 20 percent chance of showers. Highs in the upper 70s. Lows in the upper 50s.

Saturday

Partly sunny. Highs in the mid 70s.

Saturday Night

Partly cloudy. Lows in the mid 50s.

Sunday

Sunny. Highs in the upper 70s.