Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast
14°F
-10°C
| Humidity | 88% |
| Wind Speed | SE 3 mph |
| Barometer | 30.00 in (1017.8 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jan 11:53 pm CST |
Extended Forecast for
Chapin IA
Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Winter Weather Advisory January 21, 12:35am until January 21, 03:00am
NOW until 3:00am Wed
Winter Weather Advisory
Overnight
Low: 13 °F
Slight Chance
SnowWednesday
High: 29 °F
Snow Likely
and Areas
Blowing SnowWednesday Night
Low: 4 °F
Areas Blowing
Snow and
Windy then
Partly CloudyThursday
High: 14 °F
Mostly Sunny
Thursday Night
Low: -17 °F
Partly Cloudy
Friday
High: -9 °F
Cold
Friday Night
Low: -16 °F
Mostly Cloudy
Saturday
High: 0 °F
Cold
Detailed Forecast
Overnight
A slight chance of snow before 1am, then a chance of flurries between 1am and 3am. Mostly cloudy, with a steady temperature around 13. Wind chill values as low as zero. Calm wind becoming west 5 to 7 mph. Chance of precipitation is 20%.
Wednesday
Snow likely, mainly between 2pm and 5pm. Areas of blowing snow after noon. Increasing clouds, with a high near 29. Wind chill values as low as zero. Windy, with a west southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Areas of blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -10. Windy, with a west northwest wind 19 to 29 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 38 mph.
Thursday
Mostly sunny, with a high near 14. Wind chill values as low as -10. West wind 8 to 14 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around -17. North northwest wind 10 to 13 mph.
Friday
Mostly sunny and cold, with a high near -9.
Friday Night
Mostly cloudy, with a low around -16.
Saturday
Partly sunny and cold, with a high near 0.
Saturday Night
Mostly cloudy, with a low around -10.
Sunday
Mostly sunny and cold, with a high near 3.
Sunday Night
Partly cloudy, with a low around -9.
Monday
Sunny, with a high near 15.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 19.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chapin IA
42.84°N 93.23°W
42.84°N 93.23°W
10:16 pm CST Jan 20, 2026
12am CST Jan 21, 2026-6pm CST Jan 27, 2026
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