Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
45°F
7°C
| Humidity | 71% |
| Wind Speed | S 7 mph |
| Barometer | 29.88 in (1011.5 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 29 Mar 11:53 pm CDT |
Extended Forecast for
Chapin IA
Overnight

Low: 42 °F
Clear
Monday

High: 81 °F
Increasing
CloudsMonday Night

Low: 51 °F
Chance
ShowersTuesday

High: 63 °F
Chance
Showers and
WindyTuesday Night
Low: 30 °F
Chance Rain
and Windy
then Mostly
Cloudy and
BlusteryWednesday
High: 45 °F
Mostly Cloudy
then Chance
Rain/SnowWednesday Night

Low: 29 °F
Rain/Snow
Likely and
BlusteryThursday

High: 41 °F
Rain/Snow
Likely and
BreezyThursday Night

Low: 30 °F
Chance Rain
Detailed Forecast
Overnight
Clear, with a low around 42. South wind 3 to 6 mph.
Monday
Increasing clouds, with a high near 81. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South southwest wind 9 to 11 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 63. Windy, with a west southwest wind 14 to 19 mph becoming north northwest 21 to 26 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 30. Windy, with a north wind 14 to 23 mph, with gusts as high as 29 mph.
Wednesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow likely. Cloudy, with a low around 29. Blustery. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Friday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 53. Breezy.
Friday Night
Rain likely. Mostly cloudy, with a low around 41. Breezy. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly cloudy, with a high near 52. Windy. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32. Windy.
Sunday
Partly sunny, with a high near 49. Windy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chapin IA
42.84°N 93.23°W
42.84°N 93.23°W
10:48 pm CDT Mar 29, 2026
12am CDT Mar 30, 2026-6pm CDT Apr 5, 2026


