Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast and Breezy
49°F
9°C
| Humidity | 93% |
| Wind Speed | SE 22 G 31 mph |
| Barometer | 29.97 in (1015.0 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 7.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 11 Apr 6:53 pm CDT |
Extended Forecast for
Chapin IA
Tonight

Low: 50 °F⇑
Chance
T-storms and
WindySunday
High: 74 °F
Windy. Chance
Showers then
Chance
T-stormsSunday Night
Low: 56 °F
Chance
T-storms and
Windy then
Chance
ShowersMonday
High: 77 °F
Mostly Sunny
then Chance
Showers and
BreezyMonday Night

Low: 58 °F
Chance
T-storms and
BreezyTuesday
High: 81 °F
Mostly Sunny
then Showers
LikelyTuesday Night

Low: 53 °F
Chance
ShowersWednesday

High: 73 °F
Chance
ShowersWednesday Night

Low: 50 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of rain and thunderstorms before 1am, then a chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a temperature falling to near 50 by 9pm, then rising to around 58 during the remainder of the night. Windy, with a south southeast wind 14 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Windy, with a south southwest wind 22 to 30 mph, with gusts as high as 36 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 56. Windy, with a southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 22 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 50%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 79. Breezy.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 54.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Windy.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. Windy. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow showers. Mostly sunny, with a high near 51. Breezy.
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
6:26 pm CDT Apr 11, 2026
7pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026



