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Event Summary: August 15, 2025 Severe Line of Storms Impacts Eastern Iowa

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

91°F

33°C

Humidity	61%
Wind Speed	S 9 mph
Barometer	29.98 in
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	18 Aug 2:15 pm CDT

More Information:

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

Extended Forecast for

Bishop Hill IL

Severe T-storm Watch until August 18, 06:00pm

Heat Advisory until August 18, 07:00pm

Click here for hazard details and duration

Severe T-storm Watch

Heat Advisory

Severe T-storm Watch until August 18, 06:00pm
Heat Advisory until August 18, 07:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 90 °F
Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms
Tuesday
High: 85 °F
Partly Sunny
Tuesday Night
Low: 68 °F
Partly Cloudy
Wednesday
High: 81 °F
Mostly Sunny
Wednesday Night
Low: 61 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 90. Heat index values as high as 102. South wind around 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph.

Tuesday

Partly sunny, with a high near 85. West wind 5 to 10 mph becoming north in the afternoon.

Tuesday Night

Partly cloudy, with a low around 68. North wind around 5 mph.

Wednesday

Mostly sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 61.

Thursday

Sunny, with a high near 82.