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.

Light Rain Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed E 6 mph
Barometer 29.86 in
Dewpoint 61°F (16°C)
Visibility 3.00 mi
Last update 21 Jun 12:35 pm CDT
Extended Forecast for

Lost Nation IA

  • This Afternoon

    This Afternoon: Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 66. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Heavy Rain

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 54. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. North wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 66. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 54. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 77. North wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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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:
11:46 am CDT Jun 21, 2026
Forecast Valid:
12pm CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation