National Weather Service Forecast for: Marshalltown IA
Issued by: National Weather Service Des Moines, IA
Updated: 2:36 am CDT Apr 6, 2026
 
Today

Today: Increasing clouds, with a high near 46. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Increasing
Clouds

Tonight

Tonight: Mostly cloudy, with a low around 25. North wind 7 to 9 mph becoming east northeast after midnight.
Mostly Cloudy


Tuesday

Tuesday: A chance of snow showers before 4pm, then a chance of rain and snow showers.  Mostly cloudy, with a high near 40. Southeast wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Slight Chance
Snow Showers
then Chance
Rain/Snow
Tuesday
Night
Tuesday Night: A chance of rain and snow showers before 10pm, then a chance of rain showers.  Mostly cloudy, with a low around 35. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Chance
Rain/Snow
then Chance
Showers and
Breezy
Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 67. Windy, with a south wind 20 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Windy. Slight
Chance
Showers then
Chance
Showers
Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Thursday

Thursday: A 50 percent chance of showers.  Mostly cloudy, with a high near 61.
Chance
Showers

Thursday
Night
Thursday Night: A 40 percent chance of showers.  Partly cloudy, with a low around 41.
Chance
Showers

Friday

Friday: A 30 percent chance of showers after 1pm.  Mostly sunny, with a high near 59.
Mostly Sunny
then Chance
Showers

Hi 46 °F Lo 25 °F Hi 40 °F Lo 35 °F Hi 67 °F Lo 45 °F Hi 61 °F Lo 41 °F Hi 59 °F

Hazardous Weather Outlook
 

Today
 
Increasing clouds, with a high near 46. North northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Tonight
 
Mostly cloudy, with a low around 25. North wind 7 to 9 mph becoming east northeast after midnight.
Tuesday
 
A chance of snow showers before 4pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 40. Southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
 
A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 35. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
 
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 67. Windy, with a south wind 20 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A 50 percent chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
 
A 40 percent chance of showers. Partly cloudy, with a low around 41.
Friday
 
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 59.
Friday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
 
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Saturday Night
 
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Sunday
 
Showers likely. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 70%.

 

Forecast from NOAA-NWS for Marshalltown IA.