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

Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact multiple areas in the Plains and Intermountain West. Isolated severe thunderstorm wind gusts and possibly a tornado or two could occur tonight from southern and eastern New Mexico into west Texas. Read More >

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

68°F

20°C

Humidity 78%
Wind Speed S 9 mph
Barometer 29.84 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 29 Sep 10:35 pm CDT
Extended Forecast for

New Vienna IA

  • Tonight

    Tonight: A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a steady temperature around 65. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 72. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 1am. Low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Cloudy, with a high near 67. North wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a steady temperature around 65. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Showers. High near 72. South wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, with thunderstorms also possible after 1am. Low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers likely, mainly before 1pm. Cloudy, with a high near 67. North wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
A 30 percent chance of showers before 1am. Cloudy, with a low around 52.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Vienna IA
 42.55°N 91.11°W (Elev. 1053 ft)
Last Update:
2:41 pm CDT Sep 29, 2026
Forecast Valid:
10pm CDT Sep 29, 2026-6pm CDT Oct 6, 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