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

66°F

19°C

Humidity 88%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 3 Oct 9:55 pm CDT
Extended Forecast for

Lost Nation IA

  • Tonight

    Tonight: Clear, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 90. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 63. South wind around 5 mph.
Saturday
Sunny, with a high near 90. South wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 62. South wind around 10 mph.
Sunday
Sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Monday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 74.
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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:
9:06 pm CDT Oct 3, 2025
Forecast Valid:
10pm CDT Oct 3, 2025-6pm CDT Oct 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