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

34°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 2 May 7:15 am CDT
Extended Forecast for

Onslow IA

Frost Advisory May 2, 07:29am until May 2, 08:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory May 2, 07:29am until May 2, 08:00am

    NOW until 8:00am Sat

    Frost Advisory

  • Today

    High: 59 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 43. Southwest wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 69. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph becoming southwest after midnight.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, sunny, with a high near 59. Light northwest wind becoming west 5 to 10 mph in the morning.
Tonight
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 43. Southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 69. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 44.
Tuesday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Sunny, with a high near 65.
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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:
6:46 am CDT May 2, 2026
Forecast Valid:
7am CDT May 2, 2026-6pm CDT May 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