Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fog/Mist
36°F
2°C
| Humidity | 97% |
| Wind Speed | NW 13 mph |
| Barometer | 29.82 in (1010.2 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 3.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 26 Dec 9:53 am CST |
Extended Forecast for
Sheffield IA
Today
High: 40 °F
Patchy Fog
Tonight
Low: 35 °F
Patchy Fog
Saturday
High: 44 °F
Areas Fog
Saturday Night
Low: 35 °F
Patchy Fog
then Mostly
CloudySunday
High: 35 °F
Windy. Slight
Chance
Rain/Snow
then Chance
SnowSunday Night
Low: 6 °F
Windy. Slight
Chance Snow
then Mostly
CloudyMonday
High: 18 °F
Mostly Sunny
and WindyMonday Night
Low: 8 °F
Mostly Clear
Tuesday
High: 33 °F
Mostly Sunny
Detailed Forecast
Today
Patchy fog before 1pm, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 40. Northwest wind 5 to 10 mph becoming light in the afternoon.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 35. Calm wind becoming south southeast 5 to 8 mph after midnight.
Saturday
Areas of fog before 11am, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 44. South southeast wind 7 to 14 mph.
Saturday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 35. Light and variable wind becoming north northwest 6 to 11 mph after midnight.
Sunday
A slight chance of rain before 9am, then a slight chance of rain and snow between 9am and noon, then a chance of snow after noon. Mostly cloudy, with a high near 35. Windy, with a north northwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 6. Windy.
Monday
Mostly sunny, with a high near 18. Windy.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 7.
New Year's Day
Mostly sunny, with a high near 20.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sheffield IA
42.89°N 93.23°W
42.89°N 93.23°W
8:57 am CST Dec 26, 2025
10am CST Dec 26, 2025-6pm CST Jan 1, 2026
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