National Weather Service Forecast for: Marshalltown IA
Issued by: National Weather Service Des Moines, IA
Updated: 3:24 am CST Feb 2, 2026
 
Today

Today: Partly sunny, with a high near 28. Northwest wind around 6 mph becoming calm  in the afternoon.
Partly Sunny
Tonight

Tonight: Mostly cloudy, with a low around 15. Calm wind becoming north northeast around 5 mph after midnight.
Mostly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 25. Wind chill values as low as 5. North wind around 6 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 8. Light north wind.
Partly Cloudy
Wednesday

Wednesday: Partly sunny, with a high near 29. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Partly Sunny
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 15.
Mostly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 42.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 30.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 37.
Mostly Sunny
Hi 28 °F Lo 15 °F Hi 25 °F Lo 8 °F Hi 29 °F Lo 15 °F Hi 42 °F Lo 30 °F Hi 37 °F

Hazardous Weather Outlook
 

Today
 
Partly sunny, with a high near 28. Northwest wind around 6 mph becoming calm in the afternoon.
Tonight
 
Mostly cloudy, with a low around 15. Calm wind becoming north northeast around 5 mph after midnight.
Tuesday
 
Mostly sunny, with a high near 25. Wind chill values as low as 5. North wind around 6 mph.
Tuesday Night
 
Partly cloudy, with a low around 8. Light north wind.
Wednesday
 
Partly sunny, with a high near 29. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
 
Mostly cloudy, with a low around 15.
Thursday
 
Mostly sunny, with a high near 42.
Thursday Night
 
Partly cloudy, with a low around 30.
Friday
 
Mostly sunny, with a high near 37.
Friday Night
 
Mostly clear, with a low around 15.
Saturday
 
Sunny, with a high near 31.
Saturday Night
 
Partly cloudy, with a low around 19.
Sunday
 
Mostly sunny, with a high near 37.

 

Forecast from NOAA-NWS for Marshalltown IA.