Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
70°F
21°C
| Humidity | 46% |
| Wind Speed | SE 10 mph |
| Barometer | 29.75 in (1006.8 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 30 Mar 11:53 am CDT |
Extended Forecast for
Thornton IA
This Afternoon

High: 81 °F
Increasing
CloudsTonight
Low: 47 °F
Slight Chance
Showers then
Chance
T-stormsTuesday
High: 54 °F
Windy. Slight
Chance
T-storms then
Slight Chance
ShowersTuesday 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
Friday
High: 47 °F
Mostly Cloudy
then Chance
Rain and
Breezy
Detailed Forecast
This Afternoon
Increasing clouds, with a high near 81. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. West southwest wind 6 to 11 mph becoming south after midnight. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a steady temperature around 54. 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 20%.
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, with an east wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after 1am. Low around 30. Blustery. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
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
11:02 am CDT Mar 30, 2026
12pm CDT Mar 30, 2026-6pm CDT Apr 5, 2026



