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

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

34°F

1°C

Humidity 75%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 19 Apr 2:15 am CDT
Extended Forecast for

Monticello IA

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Widespread frost. Otherwise, clear, with a low around 32. West wind around 5 mph.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: A slight chance of showers between 10am and 11am. Sunny through mid morning, then becoming mostly cloudy, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Widespread frost after 1am. Otherwise, clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 28 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Sunny, with a high near 57. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread frost. Otherwise, clear, with a low around 32. West wind around 5 mph.
Sunday
A slight chance of showers between 10am and 11am. Sunny through mid morning, then becoming mostly cloudy, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Widespread frost after 1am. Otherwise, clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 57. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 77. Breezy.
Thursday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 63.
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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:
2:16 am CDT Apr 19, 2026
Forecast Valid:
2am CDT Apr 19, 2026-6pm CDT Apr 25, 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