Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair and Breezy
41°F
5°C
| Humidity | 62% |
| Wind Speed | W 21 G 33 mph |
| Barometer | 29.65 in (1004.1 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 13 Jan 3:53 am CST |
Extended Forecast for
Thornton IA
Today
High: 46 °F
Partly Sunny
and WindyTonight
Low: 18 °F
Mostly Cloudy
and WindyWednesday
High: 22 °F
Mostly Sunny
and WindyWednesday Night
Low: 9 °F
Mostly Clear
Thursday
High: 32 °F
Partly Sunny
then Chance
Snow and
BreezyThursday Night
Low: 24 °F
Chance Snow
and BlusteryFriday
High: 31 °F
Chance Snow
and WindyFriday Night
Low: 5 °F
Mostly Cloudy
and WindySaturday
High: 13 °F
Mostly Cloudy
and Blustery
Detailed Forecast
Today
Partly sunny, with a high near 46. Windy, with a west northwest wind 17 to 21 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 18. Wind chill values as low as 5. Windy, with a northwest wind 18 to 28 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 22. Wind chill values as low as zero. Windy, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 9. North northwest wind 8 to 13 mph becoming light after midnight.
Thursday
A 40 percent chance of snow after noon. Partly sunny, with a high near 32. Breezy, with a light west southwest wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. Blustery.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Windy.
Friday Night
Mostly cloudy, with a low around 5. Windy.
Saturday
Mostly cloudy, with a high near 13. Blustery.
Saturday Night
Mostly cloudy, with a low around -2. Blustery.
Sunday
Mostly sunny, with a high near 13. Blustery.
Sunday Night
Partly cloudy, with a low around 3.
M.L.King Day
Mostly sunny, with a high near 20. Blustery.
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
3:06 am CST Jan 13, 2026
4am CST Jan 13, 2026-6pm CST Jan 19, 2026
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