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°NLon: 90.03°WElev: 518ft.

Partly Cloudy

81°F

27°C

Humidity	42%
Wind Speed	N 9 mph
Barometer	30.04 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	24 May 4:50 pm CDT

More Information:

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

Extended Forecast for

2 Miles E Bethalto IL

Tonight
Low: 56 °F
Mostly Clear
Memorial Day
High: 81 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 81 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 63 °F
Slight Chance
T-storms then
Showers
Likely
Wednesday
High: 82 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 64 °F
Slight Chance
T-storms
Thursday
High: 84 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 65 °F
Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 56. North wind around 6 mph becoming calm in the evening.

Memorial Day

Sunny, with a high near 81. Calm wind becoming east 5 to 7 mph in the morning.

Monday Night

Mostly clear, with a low around 58. East wind around 6 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. East wind 3 to 7 mph.

Tuesday Night

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.

Thursday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

Thursday Night

A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 65.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.