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

68°F

20°C

Humidity 78%
Wind Speed S 6 mph
Barometer 29.85 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Oct 11:15 pm CDT
Extended Forecast for

Onslow IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South wind 5 to 10 mph becoming west after midnight.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Northwest wind around 5 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. South wind around 5 mph.
Columbus Day
Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 65. South wind 5 to 10 mph becoming west after midnight.
Tuesday
Sunny, with a high near 80. Northwest wind around 5 mph.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Sunny, with a high near 55.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onslow IA
 42.11°N 91.01°W (Elev. 863 ft)
Last Update:
11:36 pm CDT Oct 11, 2026
Forecast Valid:
11pm CDT Oct 11, 2026-6pm CDT Oct 18, 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