Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Mostly Cloudy
67°F
19°C
| Humidity | 76% |
| Wind Speed | N 15 mph |
| Barometer | 29.65 in (1003.5 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 14 Apr 6:53 pm CDT |
Extended Forecast for
Thornton IA
Tonight

Low: 49 °F
Chance
T-stormsWednesday

High: 68 °F
Chance
T-stormsWednesday Night

Low: 49 °F
Chance
T-stormsThursday

High: 76 °F
Sunny
Thursday Night

Low: 55 °F
Mostly Clear
Friday
High: 78 °F
Windy. Mostly
Sunny then
Showers
LikelyFriday Night

Low: 33 °F
Showers
Likely and
WindySaturday

High: 44 °F
Chance
Rain/Snow and
WindySaturday Night
Low: 29 °F
Mostly Cloudy
and Windy
then Partly
Cloudy
Detailed Forecast
Tonight
A slight chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 49. North wind 6 to 11 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 68. North northeast wind 6 to 9 mph becoming east in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 49. North wind 5 to 8 mph becoming east northeast in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 76. West northwest wind 6 to 11 mph becoming south southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 55. South southeast wind 9 to 13 mph.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 78. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 33. Windy. Chance of precipitation is 60%.
Saturday
A chance of rain and snow showers before 1pm, then a slight chance of snow showers. Partly sunny, with a high near 44. Windy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 29. Windy.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 60. Breezy.
Monday Night
Partly cloudy, with a low around 42. Breezy.
Tuesday
Sunny, with a high near 68. 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
6:52 pm CDT Apr 14, 2026
7pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026



