National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

72°F

22°C

Humidity 65%
Wind Speed SE 8 mph
Barometer 29.84 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Oct 7:55 pm CDT
Extended Forecast for

Monticello IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. South wind 5 to 10 mph.

    Low: 65 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Southwest wind around 10 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Sunny, with a high near 79. Northwest wind 5 to 10 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. South wind 5 to 10 mph.
Columbus Day
Sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 65. Southwest wind around 10 mph.
Tuesday
A 20 percent chance of showers after 1pm. Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IA
 42.23°N 91.18°W (Elev. 807 ft)
Last Update:
7:41 pm CDT Oct 11, 2026
Forecast Valid:
8pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation