Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
35°F
2°C
| Humidity | 61% |
| Wind Speed | S 9 mph |
| Barometer | 30.01 in (1016.5 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 29 Mar 7:53 am CDT |
Extended Forecast for
Thornton IA
Today

High: 68 °F
Mostly Sunny
Tonight

Low: 43 °F
Mostly Clear
Monday
High: 79 °F
Sunny then
Mostly Sunny
and BreezyMonday Night

Low: 45 °F
Chance
T-stormsTuesday

High: 57 °F
Chance
Showers and
WindyTuesday Night

Low: 29 °F
Mostly Cloudy
and WindyWednesday
High: 47 °F
Mostly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 29 °F
Chance
Rain/SnowThursday
High: 41 °F
Breezy.
Chance Snow
Showers then
Chance
Rain/Snow
Detailed Forecast
Today
Mostly sunny, with a high near 68. South wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 43. South southwest wind 6 to 9 mph.
Monday
Increasing clouds, with a high near 79. Breezy, with a south wind 6 to 16 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 57. Windy, with a north northwest wind 18 to 23 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 29. Windy.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 47.
Wednesday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Thursday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 31. Breezy.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 51. Breezy.
Friday Night
Showers likely. Mostly cloudy, with a low around 37. Breezy. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 49. 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
6:27 am CDT Mar 29, 2026
8am CDT Mar 29, 2026-6pm CDT Apr 4, 2026


