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

Hazardous Weather Conditions

Current conditions at

Washington (KAWG)

Lat: 41.28°NLon: 91.67°WElev: 755ft.

Fair

86°F

30°C

Humidity	75%
Wind Speed	Vrbl 5 mph
Barometer	29.99 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	18 Aug 11:35 am CDT

More Information:

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

Extended Forecast for

5 Miles SW Lone Tree IA

Heat Advisory August 18, 12:00pm until August 18, 07:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 90 °F
Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms and
Patchy Fog
Tuesday
High: 87 °F
Slight Chance
T-storms and
Patchy Fog
Tuesday Night
Low: 67 °F
Partly Cloudy
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 61 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 106. South wind around 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 71. South wind around 5 mph becoming west after midnight.

Tuesday

A 20 percent chance of showers and thunderstorms before 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87. North wind around 5 mph.

Tuesday Night

Partly cloudy, with a low around 67. North wind around 5 mph.

Wednesday

Sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 60.

Thursday

Sunny, with a high near 81.

Thursday Night

Mostly clear, with a low around 61.

Friday

Mostly sunny, with a high near 82.