Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
41°F
5°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 29.84 in (1010.0 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 30 Mar 2:53 am CDT |
Extended Forecast for
Thornton IA
Overnight

Low: 46 °F
Mostly Clear
Monday

High: 80 °F
Increasing
CloudsMonday Night

Low: 49 °F
Chance
ShowersTuesday

High: 59 °F⇓
Chance
Showers and
WindyTuesday Night
Low: 31 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyWednesday
High: 42 °F
Mostly Cloudy
then Chance
Rain/Snow and
BreezyWednesday Night

Low: 30 °F
Rain/Snow and
BlusteryThursday

High: 39 °F
Rain/Freezing
Rain and
BreezyThursday Night

Low: 30 °F
Chance Rain
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 46. South wind around 6 mph.
Monday
Increasing clouds, with a high near 80. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. South southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 10am, then a slight chance of showers after 10am. Partly sunny, with a temperature falling to around 52 by 9am. Windy, with a west wind 11 to 16 mph becoming north 18 to 23 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 31. Blustery, with a north wind 14 to 20 mph, with gusts as high as 24 mph.
Wednesday
A chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow showers, becoming all snow after 1am. Low around 30. Blustery. Chance of precipitation is 90%.
Thursday
Rain or freezing rain, becoming all rain after 1pm. High near 39. Breezy. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Friday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 47. Breezy.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46. Windy. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 28. Windy.
Sunday
Mostly sunny, with a high near 46. 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
3:31 am CDT Mar 30, 2026
3am CDT Mar 30, 2026-6pm CDT Apr 5, 2026


