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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

23°F

-5°C

Humidity 86%
Wind Speed NW 9 mph
Barometer 29.90 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 2 Jan 4:55 am CST
Extended Forecast for

Monticello IA

  • Today

    Today: Mostly cloudy, with a high near 23. North wind around 5 mph.

    High: 23 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 19. North wind around 5 mph becoming calm.

    Low: 19 °F

    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. Calm wind becoming west around 5 mph in the afternoon.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 14. Northwest wind around 5 mph becoming calm.

    Low: 14 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 23. North wind around 5 mph.
Tonight
Cloudy, with a low around 19. North wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 28. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 14. Northwest wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello IA
 42.25°N 91.18°W (Elev. 804 ft)
Last Update:
4:36 am CST Jan 2, 2026
Forecast Valid:
5am CST Jan 2, 2026-6pm CST Jan 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