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

88°F

31°C

Humidity 40%
Wind Speed SW 12 mph
Barometer 30.12 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Oct 1:35 pm CDT
Extended Forecast for

Monticello IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Southwest wind around 10 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. Calm wind becoming south around 5 mph after midnight.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Southwest wind around 10 mph.
Tonight
Clear, with a low around 63. Calm wind becoming south around 5 mph after midnight.
Saturday
Sunny, with a high near 88. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Clear, with a low around 60. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 85.
Sunday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 72.
Monday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 68.
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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:
1:21 pm CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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