Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
55°F
13°C
| Humidity | 83% |
| Wind Speed | SE 13 mph |
| Barometer | 29.68 in (1004.0 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 17 Apr 4:53 am CDT |
Extended Forecast for
Thornton IA
Today
High: 75 °F
Windy. Slight
Chance
T-storms then
Severe
ThunderstormsTonight
Low: 30 °F
Windy. Severe
Thunderstorms
then Partly
CloudySaturday
High: 48 °F
Sunny and
WindySaturday Night
Low: 31 °F
Mostly Clear
and Blustery
then Mostly
ClearSunday
High: 52 °F
Mostly Sunny
Sunday Night
Low: 29 °F
Mostly Clear
Monday
High: 64 °F
Sunny then
Sunny and
BreezyMonday Night
Low: 48 °F
Partly Cloudy
and Breezy
then Partly
CloudyTuesday
High: 74 °F
Sunny
Detailed Forecast
Today
A 50 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 75. Windy, with a south southeast wind 11 to 16 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Windy, with a north northwest wind 21 to 24 mph, with gusts as high as 33 mph.
Saturday
Sunny, with a high near 48. Windy, with a west northwest wind 18 to 24 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 31. Blustery, with a west northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 52. Northwest wind 7 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 64. Breezy.
Monday Night
Partly cloudy, with a low around 48. Breezy.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Clear, with a low around 47.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55. Breezy.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 75. Windy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Thornton IA
42.95°N 93.37°W
42.95°N 93.37°W
5:21 am CDT Apr 17, 2026
5am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
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