Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
11°F
-12°C
| Humidity | 81% |
| Wind Speed | S 14 mph |
| Barometer | 29.93 in (1015.2 mb) |
| Dewpoint | 6°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | -5°F (-21°C) |
| Last update | 24 Feb 1:53 am CST |
Extended Forecast for
Grafton IA
Overnight

Low: 11 °F
Mostly Cloudy
Tuesday

High: 41 °F
Mostly Cloudy
and BreezyTuesday Night

Low: 14 °F
Partly Cloudy
and BlusteryWednesday
High: 27 °F
Sunny then
Slight Chance
SnowWednesday Night

Low: 18 °F
Chance Snow
Thursday

High: 40 °F
Mostly Sunny
Thursday Night

Low: 27 °F
Mostly Clear
Friday

High: 55 °F
Mostly Sunny
Friday Night

Low: 19 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 11. Wind chill values as low as zero. South wind 11 to 15 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 41. Wind chill values as low as zero. Breezy, with a south wind 14 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 14. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 27. Wind chill values as low as zero. Northwest wind 6 to 10 mph becoming north northeast in the afternoon.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. East northeast wind around 6 mph becoming south after midnight. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 27.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 28. Blustery.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 24.
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:
Grafton IA
43.34°N 93.07°W
43.34°N 93.07°W
2:32 am CST Feb 24, 2026
2am CST Feb 24, 2026-6pm CST Mar 2, 2026


