Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
A Few Clouds and Breezy
48°F
9°C
| Humidity | 28% |
| Wind Speed | W 24 G 37 mph |
| Barometer | 30.02 in (1016.9 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 18 Apr 3:53 pm CDT |
Extended Forecast for
Grafton IA
This Afternoon

High: 48 °F
Sunny and
BreezyTonight
Low: 30 °F
Mostly Clear
and Blustery
then Partly
CloudySunday
High: 48 °F
Chance
Rain/Snow
then SunnySunday Night

Low: 25 °F
Clear
Monday
High: 59 °F
Sunny then
Mostly Sunny
and BreezyMonday Night
Low: 44 °F
Partly Cloudy
and Breezy
then Partly
CloudyTuesday

High: 75 °F
Sunny
Tuesday Night

Low: 45 °F
Clear
Wednesday
High: 78 °F
Sunny then
Sunny and
Breezy
Detailed Forecast
This Afternoon
Sunny, with a high near 48. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Tonight
A chance of flurries after 5am. Increasing clouds, with a low around 30. Blustery, with a west wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 25 mph.
Sunday
A chance of snow showers, possibly mixing with rain after 10am, then gradually ending. Mostly cloudy, then gradually becoming sunny, with a high near 48. North northwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Clear, with a low around 25. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 59. Breezy, with a south wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 44. Breezy.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 78. Breezy.
Wednesday Night
Partly cloudy, with a low around 58. Windy.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 75. Windy.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Windy. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 58. Windy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grafton IA
43.32°N 93.07°W
43.32°N 93.07°W
4:07 pm CDT Apr 18, 2026
4pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026



