Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Thunderstorm in Vicinity
68°F
20°C
| Humidity | 84% |
| Wind Speed | SE 15 mph |
| Barometer | 29.67 in (1004.3 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 2:53 pm CDT |
Extended Forecast for
Grundy Center IA
Severe T-storm Watch until April 15, 07:00pm
Severe T-storm Warning until April 15, 03:45pm
NOW: Multiple hazards in effect

Click HERE for Details
This Afternoon

High: 70 °F
Severe
ThunderstormsTonight
Low: 50 °F
Severe
Thunderstorms
then Chance
T-stormsThursday

High: 74 °F
Sunny
Thursday Night

Low: 54 °F
Mostly Clear
Friday
High: 76 °F
Windy. Chance
Showers then
ShowersFriday Night

Low: 33 °F
Showers
Likely and
BreezySaturday

High: 49 °F
Mostly Sunny
and WindySaturday Night
Low: 30 °F
Partly Cloudy
and Blustery
then Mostly
Clear
Detailed Forecast
This Afternoon
Showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a high near 70. South southeast wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 50. North northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 74. North northwest wind 6 to 10 mph becoming south southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 54. South southeast wind 8 to 13 mph, with gusts as high as 20 mph.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 76. Windy, with a south southeast wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 49. Windy.
Saturday Night
Mostly clear, with a low around 30. Blustery.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 67. Breezy.
Monday Night
Mostly clear, with a low around 49. Breezy.
Tuesday
Sunny, with a high near 72. Breezy.
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
1:27 pm CDT Apr 15, 2026
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026



