Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
39°F
4°C
| Humidity | 73% |
| Wind Speed | W 16 mph |
| Barometer | 29.68 in (1005.3 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 13 Jan 5:53 am CST |
Extended Forecast for
Chapin IA
Today

High: 47 °F
Partly Sunny
and WindyTonight

Low: 18 °F
Mostly Cloudy
and WindyWednesday

High: 20 °F
Mostly Sunny
and WindyWednesday Night

Low: 9 °F
Mostly Clear
Thursday
High: 33 °F
Partly Sunny
then Chance
Snow and
BreezyThursday Night

Low: 25 °F
Chance Snow
and BlusteryFriday

High: 32 °F
Chance Snow
and WindyFriday Night

Low: 6 °F
Mostly Cloudy
and WindySaturday

High: 14 °F
Mostly Cloudy
and Blustery
Detailed Forecast
Today
Partly sunny, with a high near 47. Windy, with a west wind 17 to 21 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 18. Wind chill values as low as 5. Windy, with a northwest wind 17 to 22 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
Mostly sunny, with a steady temperature around 20. Wind chill values as low as zero. Windy, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 9. North northwest wind 8 to 13 mph becoming light northwest after midnight.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 33. Breezy, with a light west wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Blustery.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. Windy.
Friday Night
Mostly cloudy, with a low around 6. Windy.
Saturday
Mostly cloudy, with a high near 14. Blustery.
Saturday Night
Mostly cloudy, with a low around -1. Blustery.
Sunday
Mostly sunny, with a high near 14. Blustery.
Sunday Night
Partly cloudy, with a low around 3.
M.L.King Day
Mostly sunny, with a high near 20. Blustery.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Chapin IA
42.84°N 93.23°W
42.84°N 93.23°W
3:06 am CST Jan 13, 2026
6am CST Jan 13, 2026-6pm CST Jan 19, 2026



