Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast
39°F
4°C
| Humidity | 73% |
| Wind Speed | SE 3 mph |
| Barometer | 30.34 in (1027.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 11 Apr 1:53 am CDT |
Extended Forecast for
Thornton IA
Overnight

Low: 34 °F
Partly Cloudy
Saturday

High: 50 °F
Showers and
BreezySaturday Night

Low: 50 °F⇑
Showers
Likely and
WindySunday

High: 71 °F
Showers
Likely and
WindySunday Night
Low: 55 °F
Chance
T-storms and
Breezy then
Chance
ShowersMonday
High: 78 °F
Mostly Sunny
then Slight
Chance
T-storms and
BreezyMonday Night

Low: 59 °F
Showers
LikelyTuesday
High: 83 °F
Mostly Sunny
then Chance
T-storms and
BreezyTuesday Night

Low: 53 °F
Chance
Showers
Detailed Forecast
Overnight
Partly cloudy, with a low around 34. Southeast wind around 6 mph.
Saturday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 50. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a temperature rising to around 57 by 5am. Windy, with a south southeast wind 20 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Windy, with a south southwest wind 22 to 28 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Breezy. Chance of precipitation is 20%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Breezy.
Tuesday Night
A 50 percent chance of showers before 1am. Partly cloudy, with a low around 53.
Wednesday
A 40 percent chance of showers after 1pm. Sunny, with a high near 75.
Wednesday Night
A 40 percent chance of showers. Mostly clear, with a low around 52.
Thursday
A 30 percent chance of showers. Sunny, with a high near 78. Breezy.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 50.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 70. 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 am CDT Apr 11, 2026
1am CDT Apr 11, 2026-6pm CDT Apr 17, 2026


