National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

63°F

17°C

Humidity 77%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 9:35 pm CDT
Extended Forecast for

Monticello IA

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 52. East wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 59. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before midnight. Low around 43. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 55. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58.

    High: 58 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 52. East wind around 5 mph.
Thursday
Showers and possibly a thunderstorm. High near 59. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers, mainly before midnight. Low around 43. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 55. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello IA
 42.25°N 91.18°W (Elev. 804 ft)
Last Update:
9:26 pm CDT Oct 14, 2026
Forecast Valid:
9pm CDT Oct 14, 2026-6pm CDT Oct 21, 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