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

29°F

-2°C

Humidity 89%
Wind Speed NW 10 mph
Barometer 30.26 in (1025.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 12 Mar 2:53 am CDT
Extended Forecast for

Grundy Center IA

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

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. West wind around 7 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain between 4pm and 5pm. Increasing clouds, with a high near 51. Windy, with a south southwest wind 6 to 16 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance Rain
    and Windy

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Windy, with a south southwest wind 24 to 32 mph becoming west northwest after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Windy. Rain
    Likely then
    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 43. Windy, with a west northwest wind 22 to 30 mph, with gusts 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. Northwest wind 5 to 10 mph becoming light and variable in the evening. 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 after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Cloudy then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow, mainly after 1am. Low around 30. Breezy. Chance of precipitation is 80%.

    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. High near 36. Windy. Chance of precipitation is 90%.

    High: 36 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 6. Windy.

    Low: 6 °F

    Chance Snow
    and Windy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. West wind around 7 mph.
Thursday
A slight chance of rain between 4pm and 5pm. Increasing clouds, with a high near 51. Windy, with a south southwest wind 6 to 16 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 31. Windy, with a south southwest wind 24 to 32 mph becoming west northwest after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 43. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 46 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable in the evening. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Saturday Night
Rain and snow, mainly after 1am. Low around 30. Breezy. Chance of precipitation is 80%.
Sunday
Snow, possibly mixed with rain, becoming all snow after 1pm. The snow could be heavy at times. High near 36. Windy. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of snow before 1am. Mostly cloudy, with a low around 6. Windy.
Monday
Mostly sunny, with a high near 19. Windy.
Monday Night
Mostly clear, with a low around 0. Blustery.
Tuesday
Partly sunny, with a high near 29.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
1:26 am CDT Mar 12, 2026
Forecast Valid:
3am 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