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

48°F

9°C

Humidity 76%
Wind Speed W 6 mph
Barometer 30.13 in
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Wind Chill45°F (7°C)
Last update 2 May 9:15 am CDT
Extended Forecast for

Monticello IA

  • Today

    Today: Sunny, with a high near 59. Light west wind increasing to 5 to 10 mph in the morning.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 43. Southwest wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 69. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 59. Light west wind increasing to 5 to 10 mph in the morning.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 43. Southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 69. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44.
Tuesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IA
 42.25°N 91.18°W (Elev. 804 ft)
Last Update:
6:46 am CDT May 2, 2026
Forecast Valid:
9am CDT May 2, 2026-6pm CDT May 8, 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