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

36°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 4 Nov 6:55 am CST
Extended Forecast for

Lost Nation IA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 45. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. North wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 45. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 60. North wind 5 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A 40 percent chance of showers after noon. Partly sunny, with a high near 52.
Saturday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 28.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lost Nation IA
 41.96°N 90.81°W (Elev. 722 ft)
Last Update:
5:31 am CST Nov 4, 2025
Forecast Valid:
7am CST Nov 4, 2025-6pm CST Nov 10, 2025
 
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