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

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

84°F

29°C

Humidity	79%
Wind Speed	SE 8 mph
Barometer	30.04 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	17 Aug 12:15 pm CDT

More Information:

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

Extended Forecast for

2 Miles NW Mechanicsville IA

Heat Advisory until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 17, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
This Afternoon
High: 89 °F
Mostly Sunny
Tonight
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 89 °F
Chance
T-storms
Monday Night
Low: 71 °F
Chance
T-storms
Tuesday
High: 84 °F
Partly Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 79 °F
Mostly Sunny
Wednesday Night
Low: 60 °F
Mostly Clear

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 89. Heat index values as high as 100. Southeast wind around 5 mph.

Tonight

A slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 70. East wind 5 to 10 mph. Chance of precipitation is 20%.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 89. South wind 5 to 10 mph.

Monday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 5 mph becoming west after midnight.

Tuesday

Partly sunny, with a high near 84.

Tuesday Night

Partly cloudy, with a low around 64.

Wednesday

Mostly sunny, with a high near 79.

Wednesday Night

Mostly clear, with a low around 60.