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.

Overcast

31°F

-1°C

Humidity 72%
Wind Speed NE 6 mph
Barometer 30.11 in (1020.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Mar 3:53 am CDT
Extended Forecast for

Grundy Center IA

Winter Storm Watch March 15, 10:00am until March 16, 10:00am
High Wind Watch March 15, 01:00pm until March 16, 04:00am
Click here for hazard details and duration
Winter Storm Watch
High Wind Watch

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a low around 28. East wind around 5 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 45. Breezy, with a southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Slight Chance
    Snow then
    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain before 4am, then a chance of rain and thunderstorms between 4am and 5am, then rain likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 35. Windy, with an east southeast wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Slight Chance
    Rain and
    Breezy then
    Rain Likely
    and Windy

  • Sunday

    Sunday: Rain before 2pm, then rain and snow between 2pm and 4pm, then snow after 4pm. Some thunder is also possible. Areas of blowing snow after 4pm. Temperature falling to around 31 by 5pm. Very windy, with a south southeast wind 14 to 24 mph becoming north 27 to 37 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 46 °F⇓

    Rain and
    Windy then
    Rain/Snow and
    Areas Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Widespread blowing snow, mainly after 7pm. Low around 6. Very windy, with a northwest wind 36 to 39 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 6 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Widespread blowing snow, mainly before 10am. Mostly cloudy, with a high near 15. Windy.

    High: 15 °F

    Blowing Snow
    and Windy

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Mostly clear, with a low around 0. Windy.

    Low: 0 °F

    Patchy
    Blowing Snow
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow likely before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Likely

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around 28. East wind around 5 mph.
Saturday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 45. Breezy, with a southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A chance of rain before 4am, then a chance of rain and thunderstorms between 4am and 5am, then rain likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 35. Windy, with an east southeast wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain before 2pm, then rain and snow between 2pm and 4pm, then snow after 4pm. Some thunder is also possible. Areas of blowing snow after 4pm. Temperature falling to around 31 by 5pm. Very windy, with a south southeast wind 14 to 24 mph becoming north 27 to 37 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow, mainly after 7pm. Low around 6. Very windy, with a northwest wind 36 to 39 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Widespread blowing snow, mainly before 10am. Mostly cloudy, with a high near 15. Windy.
Monday Night
Patchy blowing snow before 7pm. Mostly clear, with a low around 0. Windy.
Tuesday
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 27.
Tuesday Night
Snow likely before 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 58.
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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:
3:17 am CDT Mar 14, 2026
Forecast Valid:
4am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation