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

1°F

-17°C

Humidity 92%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 1 Feb 2:55 am CST
Extended Forecast for

Monticello IA

  • Overnight

    Overnight: Partly cloudy, with a low around 1. South wind around 5 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow likely, mainly between 8am and 5pm. Mostly cloudy, with a high near 24. Wind chill values as low as zero. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 15. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 15 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 1. South wind around 5 mph.
Sunday
Snow likely, mainly between 8am and 5pm. Mostly cloudy, with a high near 24. Wind chill values as low as zero. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 40 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 15. South wind 5 to 10 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IA
 42.25°N 91.18°W (Elev. 804 ft)
Last Update:
2:26 am CST Feb 1, 2026
Forecast Valid:
3am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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