National Weather Service Forecast for: Mason City IA
Issued by: National Weather Service Des Moines, IA
Updated: 8:57 pm CDT Jun 9, 2025
 
Tonight

Tonight: Mostly clear, with a low around 51. West wind 6 to 10 mph.
Mostly Clear

 Tuesday

Tuesday: Areas of smoke before noon. Sunny, with a high near 83. West wind 6 to 11 mph.
Areas Smoke
then Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 59. Southwest wind 7 to 9 mph.
Mostly Clear

 Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Areas of smoke before 8am. Mostly sunny, with a high near 84. West wind 5 to 8 mph becoming east in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Areas Smoke
then Chance
T-storms
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 59. East wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
T-storms then
Showers

 Thursday

Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
Likely
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Showers
Likely

 Friday

Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Showers
Likely

 Friday
Night
Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Chance
T-storms
Lo 51 °F Hi 83 °F Lo 59 °F Hi 84 °F Lo 59 °F Hi 79 °F Lo 60 °F Hi 77 °F Lo 60 °F

Hazardous Weather Outlook
 

Tonight
 
 Mostly clear, with a low around 51. West wind 6 to 10 mph.
Tuesday
 
 Areas of smoke before noon. Sunny, with a high near 83. West wind 6 to 11 mph.
Tuesday Night
 
 Mostly clear, with a low around 59. Southwest wind 7 to 9 mph.
Wednesday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Areas of smoke before 8am. Mostly sunny, with a high near 84. West wind 5 to 8 mph becoming east in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 59. East wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
 
 Mostly cloudy, with a high near 78.
Saturday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
 
 Partly sunny, with a high near 80.
Sunday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Monday
 
 A 30 percent chance of showers. Partly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Mason City IA.