National Weather Service Forecast for: Marshalltown IA
Issued by: National Weather Service Des Moines, IA
Updated: 4:07 am CST Dec 17, 2025
 
Today

Today: Patchy fog between 8am and noon. Otherwise, mostly sunny, with a high near 40. Light and variable wind becoming south southeast 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Patchy Fog
then Mostly
Sunny
 Tonight

Tonight: Rain, mainly after midnight. Temperature rising to around 39 by 1am. Breezy, with a south southeast wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Breezy.
Mostly Cloudy
then Rain
 Thursday

Thursday: A chance of rain before 9am, then a chance of snow after noon. Partly sunny, with a temperature falling to around 20 by 5pm. Wind chill values as low as zero. Windy, with a west wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Windy. Chance
Rain then
Chance Snow
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 6. Wind chill values as low as -5. Windy, with a northwest wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph.
Partly Cloudy
and Windy
 Friday

Friday: Mostly sunny, with a high near 32. Northwest wind 6 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 24.
Mostly Cloudy

 Saturday

Saturday: Partly sunny, with a high near 38.
Partly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 15.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 29.
Mostly Sunny
Hi 40 °F Lo 33 °F⇑ Hi 37 °F⇓ Lo 6 °F Hi 32 °F Lo 24 °F Hi 38 °F Lo 15 °F Hi 29 °F

 

Today
 
 Patchy fog between 8am and noon. Otherwise, mostly sunny, with a high near 40. Light and variable wind becoming south southeast 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
 
 Rain, mainly after midnight. Temperature rising to around 39 by 1am. Breezy, with a south southeast wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
 
 A chance of rain before 9am, then a chance of snow after noon. Partly sunny, with a temperature falling to around 20 by 5pm. Wind chill values as low as zero. Windy, with a west wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
 
 Partly cloudy, with a low around 6. Wind chill values as low as -5. Windy, with a northwest wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph.
Friday
 
 Mostly sunny, with a high near 32. Northwest wind 6 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.
Friday Night
 
 Mostly cloudy, with a low around 24.
Saturday
 
 Partly sunny, with a high near 38.
Saturday Night
 
 Partly cloudy, with a low around 15.
Sunday
 
 Mostly sunny, with a high near 29.
Sunday Night
 
 Mostly cloudy, with a low around 18.
Monday
 
 Partly sunny, with a high near 35.
Monday Night
 
 Mostly cloudy, with a low around 28.
Tuesday
 
 Partly sunny, with a high near 40.

 

Forecast from NOAA-NWS for Marshalltown IA.