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August / Summer 2026 Climate Summary and Outlook for Sept / Fall

Hazardous Weather Conditions

Current conditions at

Iowa City Municipal Airport (KIOW)

Lat: 41.64°NLon: 91.54°WElev: 650ft.

Fair

87°F

31°C

Humidity	70%
Wind Speed	S 12 mph
Barometer	29.98 in (1014.5 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	1 Sep 10:52 am CDT

More Information:

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

Extended Forecast for

7 Miles WSW Tipton IA

Heat Advisory September 1, 11:25am until September 3, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 1, 11:25am until September 3, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
Today
High: 92 °F
Slight Chance
T-storms
Tonight
Low: 73 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 74 °F
Mostly Clear
Thursday
High: 92 °F
Mostly Sunny
Thursday Night
Low: 74 °F
Mostly Clear
Friday
High: 92 °F
Mostly Sunny
Friday Night
Low: 73 °F
Mostly Clear

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 10 mph.

Tonight

Mostly clear, with a low around 73. South wind around 5 mph.

Wednesday

Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 74. South wind around 5 mph.

Thursday

Mostly sunny, with a high near 92.

Thursday Night

Mostly clear, with a low around 74.

Friday

Mostly sunny, with a high near 92.