Hazardous Weather Conditions
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
NOW until 12:00pm Mon
Cold Weather Advisory
M.L.King Day
High: 8 °F
Patchy
Blowing Snow
and Windy
then Partly
Sunny and
BlusteryTonight

Low: -1 °F
Gradual
ClearingTuesday

High: 19 °F
Increasing
CloudsTuesday Night
Low: 12 °F
Snow then
Slight Chance
SnowWednesday
High: 28 °F
Mostly Sunny
then Slight
Chance Snow
and BreezyWednesday Night
Low: 7 °F
Mostly Cloudy
and Blustery
then Mostly
ClearThursday

High: 19 °F
Mostly Sunny
Thursday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.76°W
42.36°N 92.76°W
4:27 am CST Jan 19, 2026
5am CST Jan 19, 2026-6pm CST Jan 25, 2026



