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

46°F

8°C

Humidity 43%
Wind Speed NW 3 mph
Barometer 29.98 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 6 May 8:55 pm CDT
Extended Forecast for

Lost Nation IA

Frost Advisory May 7, 01:00am until May 7, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 1am. Otherwise, mostly clear, with a low around 33. Northwest wind around 5 mph becoming calm.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Thursday

    Thursday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 62 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. West wind around 5 mph becoming calm.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 1am. Otherwise, mostly clear, with a low around 33. Northwest wind around 5 mph becoming calm.
Thursday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. West wind around 5 mph becoming calm.
Friday
A 20 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 68.
Monday Night
A 50 percent chance of showers. Partly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 75.
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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:
8:46 pm CDT May 6, 2026
Forecast Valid:
9pm CDT May 6, 2026-6pm CDT May 13, 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