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.

Thunderstorm Light Rain

70°F

21°C

Humidity	88%
Wind Speed	E 7 mph
Barometer	29.89 in
Dewpoint	66°F (19°C)
Visibility	7.00 mi
Last update	16 May 6:45 am CDT

More Information:

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

Extended Forecast for

5 Miles SSE Carlinville IL

Today
High: 79 °F
Showers
Likely then
Chance
T-storms
Tonight
Low: 61 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 86 °F
Sunny then
Sunny and
Breezy
Sunday Night
Low: 65 °F
Mostly Clear
Monday
High: 86 °F
Breezy.
Chance
Showers then
Showers
Likely
Monday Night
Low: 66 °F
Chance
T-storms
Tuesday
High: 83 °F
Showers
Tuesday Night
Low: 55 °F
Showers
Likely
Wednesday
High: 70 °F
Mostly Cloudy

Detailed Forecast

Today

Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 3pm. Mostly cloudy, with a high near 79. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Tonight

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 61. Southeast wind 7 to 9 mph.

Sunday

Sunny, with a high near 86. Breezy, with a south wind 11 to 21 mph, with gusts as high as 28 mph.

Sunday Night

Mostly clear, with a low around 65. South wind 15 to 17 mph, with gusts as high as 26 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 22 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

Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 55. 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.