Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
11°F
-12°C
| Humidity | 77% |
| Wind Speed | S 13 mph |
| Barometer | 30.00 in (1017.6 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | -4°F (-20°C) |
| Last update | 24 Feb 12:53 am CST |
Extended Forecast for
Sheffield IA
Overnight

Low: 9 °F
Mostly Cloudy
Tuesday

High: 41 °F
Mostly Cloudy
Tuesday Night
Low: 16 °F
Decreasing
Clouds and
Blustery then
Mostly ClearWednesday
High: 28 °F
Mostly Sunny
then Slight
Chance SnowWednesday Night

Low: 19 °F
Chance Snow
Thursday

High: 38 °F
Mostly Sunny
Thursday Night

Low: 27 °F
Mostly Clear
Friday

High: 53 °F
Sunny
Friday Night

Low: 21 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 9. Wind chill values as low as -5. South wind 13 to 15 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 41. Wind chill values as low as 5. South wind 11 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 16. Wind chill values as low as 5. Blustery, with a northwest wind 11 to 16 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 28. Wind chill values as low as 5. Northwest wind 5 to 8 mph becoming south southeast in the afternoon.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. East southeast wind around 5 mph. New snow accumulation of 1 to 3 inches possible.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30. Blustery.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 25.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 29.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sheffield IA
42.89°N 93.2°W
42.89°N 93.2°W
10:51 pm CST Feb 23, 2026
1am CST Feb 24, 2026-6pm CST Mar 2, 2026


