Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast
48°F
9°C
| Humidity | 93% |
| Wind Speed | NW 9 mph |
| Barometer | 29.73 in (1006.4 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 15 Apr 7:53 am CDT |
Extended Forecast for
Sheffield IA
Today
High: 69 °F
Slight Chance
Showers then
Chance
T-stormsTonight
Low: 49 °F
Chance
T-storms then
Patchy FogThursday

High: 74 °F
Sunny
Thursday Night

Low: 54 °F
Mostly Clear
Friday
High: 76 °F
Windy. Slight
Chance
T-storms then
Showers
LikelyFriday Night

Low: 32 °F
Chance
Showers and
WindySaturday

High: 46 °F
Slight Chance
Rain/Snow and
WindySaturday Night
Low: 28 °F
Partly Cloudy
and Windy
then Partly
CloudySunday

High: 53 °F
Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 69. North wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 49. Northeast wind around 6 mph becoming northwest after midnight. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 74. Northwest wind 5 to 10 mph becoming south southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 54. South wind 9 to 13 mph.
Friday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Windy, with a south southeast wind 14 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 32. Windy. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain and snow showers before 1pm, then a slight chance of snow showers. Mostly sunny, with a high near 46. Windy. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 28. Windy.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 67. Breezy.
Monday Night
Mostly clear, with a low around 47. Breezy.
Tuesday
Sunny, with a high near 71. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sheffield IA
42.89°N 93.23°W
42.89°N 93.23°W
6:46 am CDT Apr 15, 2026
8am CDT Apr 15, 2026-6pm CDT Apr 21, 2026



