Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Mostly Cloudy
58°F
14°C
| Humidity | 90% |
| Wind Speed | NE 10 mph |
| Barometer | 29.68 in (1004.7 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 2:53 pm CDT |
Extended Forecast for
Chapin IA
This Afternoon

High: 66 °F
Severe
ThunderstormsTonight
Low: 49 °F
Severe
Thunderstorms
then Slight
Chance
T-stormsThursday

High: 74 °F
Sunny
Thursday Night

Low: 54 °F
Mostly Clear
Friday
High: 75 °F
Windy. Chance
Showers then
ShowersFriday Night

Low: 31 °F
Chance
Showers and
WindySaturday

High: 47 °F
Mostly Sunny
and WindySaturday Night
Low: 29 °F
Partly Cloudy
and Blustery
then Mostly
ClearSunday

High: 54 °F
Sunny
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 66. East northeast wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 49. North northeast wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 74. Northwest wind 5 to 11 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 54. South southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Windy, with a south southeast wind 16 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 31. Windy. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 47. Windy.
Saturday Night
Partly cloudy, with a low around 29. Blustery.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 67. Breezy.
Monday Night
Mostly clear, with a low around 48. Breezy.
Tuesday
Sunny, with a high near 72. 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
3:27 pm CDT Apr 15, 2026
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026



