Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Overcast with Haze

-2°F

-19°C

Humidity 75%
Wind Speed NW 20 G 35 mph
Barometer 30.26 in (1027.0 mb)
Dewpoint -8°F (-22°C)
Visibility 6.00 mi
Wind Chill-25°F (-32°C)
Last update 19 Jan 4:53 am CST
Extended Forecast for

Grundy Center IA

Cold Weather Advisory January 19, 05:50am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 05:50am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • M.L.King Day

    High: 8 °F

    Patchy
    Blowing Snow
    and Windy
    then Partly
    Sunny and
    Blustery

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around -1. Wind chill values as low as -10. West wind 3 to 7 mph.

    Low: -1 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 19. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the morning.

    High: 19 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly before midnight.  Low around 12. Wind chill values as low as zero. South southeast wind 7 to 9 mph becoming west northwest after midnight.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 12 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon.  Partly sunny, with a high near 28. Breezy, with a west wind 10 to 17 mph, with gusts as high as 23 mph.

    High: 28 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7. Blustery.

    Low: 7 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -9.

    Low: -9 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Patchy blowing snow before 10am. Partly sunny and cold, with a high near 8. Wind chill values as low as -30. Windy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around -1. Wind chill values as low as -10. West wind 3 to 7 mph.
Tuesday
Increasing clouds, with a high near 19. Wind chill values as low as -5. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Snow, mainly before midnight. Low around 12. Wind chill values as low as zero. South southeast wind 7 to 9 mph becoming west northwest after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 28. Breezy, with a west wind 10 to 17 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 7. Blustery.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around -9.
Friday
Mostly sunny and cold, with a high near -3.
Friday Night
Partly cloudy, with a low around -17.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
Partly cloudy, with a low around -7.
Sunday
Mostly sunny, with a high near 13.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
4:27 am CST Jan 19, 2026
5am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database