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

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

72°F

22°C

Humidity	91%
Wind Speed	Calm
Barometer	30.04 in (1016.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	15 Aug 9:52 pm CDT

More Information:

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

Extended Forecast for

6 Miles NE West Branch IA

Heat Advisory August 16, 12:00pm until August 16, 07:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 93 °F
Slight Chance
T-storms then
Mostly Sunny
Saturday Night
Low: 72 °F
Mostly Clear
Sunday
High: 94 °F
Sunny
Sunday Night
Low: 73 °F
Partly Cloudy
Monday
High: 92 °F
Mostly Sunny
Monday Night
Low: 71 °F
Partly Cloudy
then Chance
Showers
Tuesday
High: 87 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 72. Calm wind becoming east around 5 mph after midnight.

Saturday

A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.

Sunday

Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming south around 5 mph in the morning.

Sunday Night

Partly cloudy, with a low around 73.

Monday

Mostly sunny, with a high near 92.

Monday Night

A 40 percent chance of showers after 1am. Partly cloudy, with a low around 71.

Tuesday

Mostly sunny, with a high near 87.