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

41°F

5°C

Humidity 81%
Wind Speed NW 9 mph
Barometer 30.04 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Jan 12:55 pm CST
Extended Forecast for

Onslow IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 42. North wind 5 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 30. Calm wind becoming west around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow after 2pm. Partly sunny, with a temperature rising to near 32 by 9am, then falling to around 27 during the remainder of the day. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 32 °F⇓

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 42. North wind 5 to 10 mph.
Tonight
A 40 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 30. Calm wind becoming west around 5 mph after midnight.
Saturday
A 30 percent chance of snow after 2pm. Partly sunny, with a temperature rising to near 32 by 9am, then falling to around 27 during the remainder of the day. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 19. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 29.
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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:
1:06 pm CST Jan 9, 2026
Forecast Valid:
1pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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