Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fog/Mist
58°F
14°C
| Humidity | 100% |
| Wind Speed | S 6 mph |
| Barometer | 29.77 in (1007.4 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 6.00 mi |
| Last update | 13 Apr 7:53 am CDT |
Extended Forecast for
Thornton IA
Today
High: 78 °F
Partly Sunny
then Slight
Chance
T-storms and
BreezyTonight

Low: 54 °F
Chance
T-storms and
BreezyTuesday
High: 76 °F
Mostly Sunny
then Chance
T-stormsTuesday Night

Low: 51 °F
Chance
T-stormsWednesday
High: 71 °F
Chance
Showers then
Showers
LikelyWednesday Night

Low: 50 °F
Showers
LikelyThursday
High: 74 °F
Slight Chance
T-storms then
SunnyThursday Night

Low: 56 °F
Mostly Clear
Friday
High: 77 °F
Windy. Mostly
Sunny then
Showers
Likely
Detailed Forecast
Today
A slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 78. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 54. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. West wind 6 to 10 mph becoming north in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 71. East northeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 74. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 56.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 77. Windy. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36. Windy.
Saturday
Partly sunny, with a high near 49. Windy.
Saturday Night
Partly cloudy, with a low around 29. Blustery.
Sunday
Sunny, with a high near 55.
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
6:06 am CDT Apr 13, 2026
8am CDT Apr 13, 2026-6pm CDT Apr 19, 2026



