Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
40°F
4°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.80 in (1009.0 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 30 Mar 7:53 am CDT |
Extended Forecast for
Chapin IA
Today

High: 81 °F
Increasing
CloudsTonight

Low: 51 °F
Chance
ShowersTuesday

High: 60 °F⇓
Chance
Showers and
WindyTuesday Night
Low: 31 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyWednesday
High: 42 °F
Mostly Cloudy
then
Rain/Snow
Likely and
BreezyWednesday Night

Low: 30 °F
Rain/Snow and
BlusteryThursday

High: 41 °F
Rain/Freezing
Rain and
BreezyThursday Night

Low: 30 °F
Chance Rain
Friday
High: 49 °F
Mostly Cloudy
then Chance
Rain and
Breezy
Detailed Forecast
Today
Increasing clouds, with a high near 81. Light south wind becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
A slight chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South southwest wind 8 to 10 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. Partly sunny, with a temperature falling to around 53 by noon. Windy, with a west wind 11 to 16 mph becoming north northwest 18 to 23 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 31. Blustery, with a north wind 14 to 20 mph, with gusts as high as 24 mph.
Wednesday
Rain likely, possibly mixed with snow showers, mainly after 1pm. Mostly cloudy, with a high near 42. Breezy, with an east wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after 1am. Low around 30. Blustery. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain or freezing rain, becoming all rain after 1pm. High near 41. Breezy. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Friday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 49. Breezy.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 46. Windy.
Saturday Night
Mostly cloudy, with a low around 29. Windy.
Sunday
Mostly sunny, with a high near 47. 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
5:32 am CDT Mar 30, 2026
9am CDT Mar 30, 2026-6pm CDT Apr 5, 2026



