National Weather Service Forecast for: Mason City IA
Issued by: National Weather Service Des Moines, IA
Updated: 2:35 pm CDT May 30, 2025
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 79. Breezy, with a northwest wind around 16 mph, with gusts as high as 24 mph.
Mostly Sunny
and Breezy

 Tonight

Tonight: Partly cloudy, with a low around 55. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Partly Cloudy

 Saturday

Saturday: Patchy smoke after noon. Mostly sunny, with a high near 84. Northwest wind 6 to 11 mph.
Mostly Sunny
then Patchy
Smoke
 Saturday
Night
Saturday Night: Patchy smoke between 11pm and 2am. Mostly cloudy, with a low around 56. North wind 5 to 8 mph becoming calm after midnight.
Patchy Smoke

 Sunday

Sunday: Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the morning.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 62.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 88.
Mostly Sunny

 Monday
Night
Monday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Partly Cloudy
then Chance
T-storms
 Tuesday

Tuesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 90%.
Breezy.
Showers
Likely then
Showers
Hi 79 °F Lo 55 °F Hi 84 °F Lo 56 °F Hi 85 °F Lo 62 °F Hi 88 °F Lo 65 °F Hi 77 °F

 

This Afternoon
 
 Mostly sunny, with a high near 79. Breezy, with a northwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
 
 Partly cloudy, with a low around 55. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday
 
 Patchy smoke after noon. Mostly sunny, with a high near 84. Northwest wind 6 to 11 mph.
Saturday Night
 
 Patchy smoke between 11pm and 2am. Mostly cloudy, with a low around 56. North wind 5 to 8 mph becoming calm after midnight.
Sunday
 
 Sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the morning.
Sunday Night
 
 Mostly clear, with a low around 62.
Monday
 
 Mostly sunny, with a high near 88.
Monday Night
 
 A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Tuesday
 
 Showers likely, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 90%.
Tuesday Night
 
 Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 53. Chance of precipitation is 80%.
Wednesday
 
 Partly sunny, with a high near 73.
Wednesday Night
 
 Mostly cloudy, with a low around 53.
Thursday
 
 Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Mason City IA.