National Weather Service

News Headlines

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

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Mostly Cloudy

79°F

26°C

Humidity	84%
Wind Speed	E 3 mph
Barometer	30.06 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	17 Aug 9:35 am CDT

More Information:

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

Extended Forecast for

5 Miles NNE Onslow IA

Today
High: 87 °F
Partly Sunny
Tonight
Low: 69 °F
Slight Chance
T-storms then
Chance
Showers
Monday
High: 87 °F
Chance
T-storms
Monday Night
Low: 70 °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
Thursday
High: 81 °F
Sunny

Detailed Forecast

Today

Partly sunny, with a high near 87. East wind around 5 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 69. East wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

A 40 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. 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.