Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Partly Cloudy
57°F
14°C
| Humidity | 90% |
| Wind Speed | SE 14 G 23 mph |
| Barometer | 29.40 in (994.6 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jun 6:53 am CDT |
Extended Forecast for
4 Miles NW Grafton IA
Today
High: 75 °F
Severe
Thunderstorms
and WindyTonight
Low: 53 °F
Chance
Showers and
Windy then
Mostly Cloudy
and BreezyThursday

High: 73 °F
Becoming
SunnyThursday Night

Low: 49 °F
Mostly Clear
Juneteenth

High: 78 °F
Sunny
Friday Night

Low: 55 °F
Mostly Clear
Saturday

High: 80 °F
Mostly Sunny
Saturday Night
Low: 59 °F
Slight Chance
T-storms then
Showers
LikelySunday

High: 74 °F
Showers
Likely
Detailed Forecast
Today
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 75. Windy, with a southeast wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 53. Windy, with a northwest wind 13 to 23 mph, with gusts as high as 38 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 73. Northwest wind around 15 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 49. Northwest wind 8 to 13 mph becoming light west northwest in the evening. Winds could gust as high as 18 mph.
Juneteenth
Sunny, with a high near 78. Light west wind increasing to 6 to 11 mph in the morning.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NW Grafton IA
43.36°N 93.13°W
43.36°N 93.13°W
6:47 am CDT Jun 17, 2026
7am CDT Jun 17, 2026-6pm CDT Jun 23, 2026



