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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

39°F

4°C

Humidity 81%
Wind Speed S 7 mph
Barometer 30.03 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 12 Jan 5:35 pm CST
Extended Forecast for

6 Miles WNW Monticello IA

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. West wind around 15 mph, with gusts as high as 30 mph.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 25. Blustery, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 25 °F

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 47. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 25. Blustery, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 11.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A 50 percent chance of snow. Cloudy, with a low around 23.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 33.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Mostly cloudy, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around 4.
M.L.King Day
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Monticello IA
 42.27°N 91.3°W (Elev. 899 ft)
Last Update:
4:31 pm CST Jan 12, 2026
Forecast Valid:
5pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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Chance of Precipitation