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

Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.16 in
Dewpoint N/A
Visibility 10.00 mi
Last update 13 Jul 8:35 pm CDT
Extended Forecast for

Monticello Municipal IA

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 5 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 100. Calm wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Calm wind.
Tuesday
Sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 69. Northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 93. Heat index values as high as 100. Calm wind.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello Municipal IA
 42.23°N 91.15°W (Elev. 840 ft)
Last Update:
2:41 pm CDT Jul 13, 2026
Forecast Valid:
8pm CDT Jul 13, 2026-6pm CDT Jul 20, 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