Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair and Breezy
45°F
7°C
| Humidity | 31% |
| Wind Speed | NW 25 G 36 mph |
| Barometer | 30.02 in (1017.2 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 18 Apr 2:53 pm CDT |
Extended Forecast for
Thornton IA
This Afternoon

High: 48 °F
Sunny and
WindyTonight
Low: 31 °F
Mostly Clear
and Windy
then Partly
CloudySunday
High: 49 °F
Chance
Rain/Snow
then Sunny
and BreezySunday Night

Low: 27 °F
Clear
Monday
High: 60 °F
Sunny then
Sunny and
BreezyMonday Night
Low: 46 °F
Partly Cloudy
and Breezy
then Partly
CloudyTuesday

High: 75 °F
Sunny
Tuesday Night

Low: 46 °F
Clear
Wednesday
High: 79 °F
Sunny then
Sunny and
Windy
Detailed Forecast
This Afternoon
Sunny, with a high near 48. Windy, with a west northwest wind around 25 mph, with gusts as high as 34 mph.
Tonight
Increasing clouds, with a low around 31. Windy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 26 mph.
Sunday
A chance of rain and snow showers before 10am, then a chance of sprinkles between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Clear, with a low around 27. North northwest wind 6 to 11 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 60. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 46. Breezy.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 79. Windy.
Wednesday Night
Partly cloudy, with a low around 58. Windy.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 74. 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:
Thornton IA
42.95°N 93.37°W
42.95°N 93.37°W
1:26 pm CDT Apr 18, 2026
3pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026



