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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

56°F

13°C

Humidity 97%
Wind Speed W 5 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 11:53 pm CDT
Extended Forecast for

2 Miles NW Union IA

  • Overnight

    Overnight: Mostly clear, with a low around 54. West wind 3 to 5 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 57. Calm wind becoming east southeast around 5 mph after midnight. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 11am. The rain could be heavy at times. High near 70. Breezy, with an east northeast wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    High: 70 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 54. East northeast wind 8 to 15 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 54. West wind 3 to 5 mph.
Saturday
Sunny, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 57. Calm wind becoming east southeast around 5 mph after midnight. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly after 11am. The rain could be heavy at times. High near 70. Breezy, with an east northeast wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 54. East northeast wind 8 to 15 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 74.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Union IA
 42.28°N 93.09°W
Last Update:
10:47 pm CDT Jun 19, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 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