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

33°F

1°C

Humidity 64%
Wind Speed N 3 mph
Barometer 30.11 in (1020.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 13 Mar 11:53 pm CDT
Extended Forecast for

Le Grand IA

Winter Storm Watch March 15, 10:00am until March 16, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: A slight chance of snow between 3am and 4am. Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 45. Breezy, with a southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 9pm, then a chance of rain. Mostly cloudy, with a low around 38. Breezy, with an east southeast wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 38 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday

    Sunday: Rain before 1pm, then rain and snow showers between 1pm and 4pm, then snow showers after 4pm. Some thunder is also possible. Patchy blowing snow after 5pm. Temperature rising to near 47 by 9am, then falling to around 33 during the remainder of the day. Windy, with a south wind 14 to 19 mph becoming north 28 to 33 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 47 °F⇓

    Rain and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Widespread blowing snow, mainly after 8pm. Low around 7. Windy, with a northwest wind 31 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 7 °F

    Snow and
    Blowing Snow

  • Monday

    Monday: Areas of blowing snow before 8am. Partly sunny, with a high near 15. Windy.

    High: 15 °F

    Windy. Areas
    Blowing Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 0. Windy.

    Low: 0 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Tuesday

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

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Overnight
A slight chance of snow between 3am and 4am. Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 45. Breezy, with a southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A slight chance of rain and snow before 9pm, then a chance of rain. Mostly cloudy, with a low around 38. Breezy, with an east southeast wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Rain before 1pm, then rain and snow showers between 1pm and 4pm, then snow showers after 4pm. Some thunder is also possible. Patchy blowing snow after 5pm. Temperature rising to near 47 by 9am, then falling to around 33 during the remainder of the day. Windy, with a south wind 14 to 19 mph becoming north 28 to 33 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, mainly before 1am. Widespread blowing snow, mainly after 8pm. Low around 7. Windy, with a northwest wind 31 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
Areas of blowing snow before 8am. Partly sunny, with a high near 15. Windy.
Monday Night
Mostly clear, with a low around 0. Windy.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 27.
Tuesday Night
A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 19.
Wednesday
Sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Le Grand IA
 42.01°N 92.77°W
Last Update:
10:57 pm CDT Mar 13, 2026
Forecast Valid:
12am CDT Mar 14, 2026-6pm CDT Mar 20, 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