Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Fair

81°F

27°C

Humidity 51%
Wind Speed SE 7 mph
Barometer 29.78 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 May 7:15 pm CDT
Extended Forecast for

New Vienna IA

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming southeast after midnight.

    Low: 59 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 11am.  Mostly cloudy, with a high near 84. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.  Chance of precipitation is 60%.

    High: 84 °F

    T-storms
    Likely then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%.

    Low: 66 °F

    Breezy.
    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 82. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 62. Breezy.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Breezy.

    High: 74 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming southeast after midnight.
Sunday
Showers and thunderstorms likely, mainly before 11am. Mostly cloudy, with a high near 84. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Monday
Showers and possibly a thunderstorm. High near 82. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 62. Breezy. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Partly sunny, with a high near 74. Breezy.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
New Vienna IA
 42.55°N 91.11°W (Elev. 1053 ft)
7:21 pm CDT May 16, 2026
7pm CDT May 16, 2026-6pm CDT May 23, 2026
 
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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