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.

Overcast

69°F

21°C

Humidity	93%
Wind Speed	Calm
Barometer	29.93 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	27 May 2:35 am CDT

More Information:

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

Extended Forecast for

Dorchester IL

Overnight
Low: 65 °F
Chance
T-storms
Wednesday
High: 80 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 60 °F
Partly Cloudy
Thursday
High: 82 °F
Partly Sunny
Thursday Night
Low: 60 °F
Mostly Cloudy
Friday
High: 77 °F
Mostly Cloudy
Friday Night
Low: 58 °F
Mostly Cloudy
Saturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 65. Calm wind.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly between 10am and 3pm. Partly sunny, with a high near 80. Calm wind becoming north around 6 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.

Thursday

Partly sunny, with a high near 82. Northeast wind 6 to 10 mph.

Thursday Night

Mostly cloudy, with a low around 60. East wind around 8 mph.

Friday

Mostly cloudy, with a high near 77.

Friday Night

Mostly cloudy, with a low around 58.

Saturday

Mostly sunny, with a high near 80.