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. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

71°F

22°C

Humidity	84%
Wind Speed	N 3 mph
Barometer	29.93 in (1012.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	27 May 12:54 am CDT

More Information:

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

Extended Forecast for

Hamburg IL

Overnight
Low: 62 °F
Slight Chance
Showers
Wednesday
High: 82 °F
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 83 °F
Partly Sunny
Thursday Night
Low: 63 °F
Mostly Cloudy
Friday
High: 79 °F
Mostly Cloudy
Friday Night
Low: 61 °F
Mostly Cloudy
then Slight
Chance
Showers
Saturday
High: 81 °F
Slight Chance
Showers
Saturday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

Wednesday

A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 82. Light north wind. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy, with a low around 62. Calm wind.

Thursday

Partly sunny, with a high near 83. Calm wind becoming east 5 to 7 mph in the morning.

Thursday Night

Mostly cloudy, with a low around 63. East wind 3 to 5 mph.

Friday

Mostly cloudy, with a high near 79.

Friday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.

Saturday

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81.