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

40°F

4°C

Humidity 65%
Wind Speed S 10 mph
Barometer 30.17 in (1022.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 12 Mar 10:53 am CDT
Extended Forecast for

4 Miles WSW Union IA

High Wind Warning March 12, 10:00pm until March 13, 10:00am
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: Mostly cloudy, with a high near 54. Windy, with a south southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 54 °F

    Mostly Cloudy
    and Windy

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Very windy, with a south southwest wind 23 to 28 mph becoming west northwest 31 to 36 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely
    and Windy
    then Chance
    Rain and Very
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 43. Windy, with a northwest wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 43 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29. North northwest wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before 4pm, then a slight chance of rain. Mostly cloudy, with a high near 43. East southeast wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain before 7pm, then rain and snow. Some thunder is also possible. Low around 30. Breezy. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then
    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 37. Windy. Chance of precipitation is 90%.

    High: 37 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 5. Windy.

    Low: 5 °F

    Chance Snow
    and Windy

  • Monday

    Monday: Sunny, with a high near 20. Windy.

    High: 20 °F

    Sunny and
    Windy

Detailed Forecast

Today
Mostly cloudy, with a high near 54. Windy, with a south southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.
Tonight
Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Very windy, with a south southwest wind 23 to 28 mph becoming west northwest 31 to 36 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 43. Windy, with a northwest wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 46 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29. North northwest wind 5 to 9 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow before 4pm, then a slight chance of rain. Mostly cloudy, with a high near 43. East southeast wind 6 to 11 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain before 7pm, then rain and snow. Some thunder is also possible. Low around 30. Breezy. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Snow, possibly mixed with rain, becoming all snow after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 37. Windy. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 5. Windy.
Monday
Sunny, with a high near 20. Windy.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Union IA
 42.21°N 93.15°W
Last Update:
10:07 am CDT Mar 12, 2026
Forecast Valid:
11am CDT Mar 12, 2026-6pm CDT Mar 18, 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