Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Freezing Fog and Windy
21°F
-6°C
| Humidity | 92% |
| Wind Speed | NW 31 G 41 mph |
| Barometer | 29.56 in (1002.0 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 0.50 mi |
| Wind Chill | 2°F (-17°C) |
| Last update | 20 Feb 2:53 am CST |
Extended Forecast for
Grundy Center IA
Winter Storm Warning February 20, 03:33am until February 20, 06:00am
NOW until 6:00am Fri

Winter Storm Warning
Overnight

Low: 21 °F
Heavy Snow
and WindyFriday

High: 25 °F
Chance
Flurries and
WindyFriday Night

Low: 12 °F
Partly Cloudy
Saturday

High: 25 °F
Partly Sunny
Saturday Night

Low: 9 °F
Partly Cloudy
Sunday

High: 19 °F
Mostly Sunny
and WindySunday Night

Low: 5 °F
Mostly Clear
Monday

High: 19 °F
Sunny
Detailed Forecast
Overnight
Snow, mainly before 5am. The snow could be heavy at times. Low around 21. Wind chill values as low as 5. Windy, with a northwest wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 4 to 8 inches possible.
Friday
A chance of flurries before 7am. Mostly cloudy, with a high near 25. Wind chill values as low as 5. Windy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 12. Wind chill values as low as zero. Northwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 25. Wind chill values as low as zero. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 9. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 19. Windy.
Sunday Night
Mostly clear, with a low around 5.
Monday
Sunny, with a high near 19.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
Mostly sunny, with a high near 38.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.79°W
42.36°N 92.79°W
3:21 am CST Feb 20, 2026
3am CST Feb 20, 2026-6pm CST Feb 26, 2026



