Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
4°F
-16°C
| Humidity | 80% |
| Wind Speed | NW 8 mph |
| Barometer | 30.17 in (1023.6 mb) |
| Dewpoint | -1°F (-18°C) |
| Visibility | 10.00 mi |
| Wind Chill | -9°F (-23°C) |
| Last update | 17 Mar 4:53 am CDT |
Extended Forecast for
Grundy Center IA
Today
High: 25 °F
Mostly Sunny
then Chance
SnowTonight
Low: 23 °F
Snow Likely
then Slight
Chance Wintry
MixWednesday

High: 46 °F
Mostly Sunny
Wednesday Night

Low: 33 °F
Mostly Cloudy
Thursday

High: 56 °F
Sunny
Thursday Night

Low: 39 °F
Partly Cloudy
Friday

High: 66 °F
Mostly Sunny
Friday Night

Low: 42 °F
Mostly Cloudy
Saturday

High: 70 °F
Mostly Sunny
Detailed Forecast
Today
A chance of flurries between 2pm and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 25. Wind chill values as low as -10. Northwest wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow and freezing rain likely before 1am, then a slight chance of snow between 1am and 2am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 23. Wind chill values as low as 10. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 46. Southwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 33. Southwest wind around 7 mph.
Thursday
Sunny, with a high near 56. West southwest wind around 7 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 56. Breezy.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 45.
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
2:36 am CDT Mar 17, 2026
5am CDT Mar 17, 2026-6pm CDT Mar 23, 2026



