Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast and Windy
56°F
13°C
| Humidity | 67% |
| Wind Speed | NW 26 G 38 mph |
| Barometer | 29.71 in (1005.2 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 16 Jun 7:53 am CDT |
Extended Forecast for
Sheffield IA
Today
High: 74 °F
Sunny and
WindyTonight
Low: 55 °F
Mostly Cloudy
then Showers
LikelyWednesday
High: 79 °F
Showers and
WindyWednesday Night
Low: 53 °F
Windy. Slight
Chance
T-storms then
Partly CloudyThursday
High: 73 °F
Mostly Sunny
and Breezy
then Mostly
SunnyThursday Night
Low: 51 °F
Mostly Clear
Juneteenth
High: 78 °F
Sunny
Friday Night
Low: 56 °F
Partly Cloudy
then Chance
ShowersSaturday
High: 79 °F
Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 74. Windy, with a northwest wind 15 to 21 mph, with gusts as high as 28 mph.
Tonight
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 55. Light and variable wind becoming south southeast 9 to 14 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms, mainly before 4pm. High near 79. Windy, with a south southeast wind 15 to 23 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 53. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 73. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 51.
Juneteenth
Sunny, with a high near 78.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 79.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 78.
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
6:12 am CDT Jun 16, 2026
8am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
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