Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fair
5°F
-15°C
| Humidity | 72% |
| Wind Speed | NW 16 mph |
| Barometer | 30.13 in (1022.3 mb) |
| Dewpoint | -2°F (-19°C) |
| Visibility | 10.00 mi |
| Wind Chill | -14°F (-26°C) |
| Last update | 17 Mar 2:53 am CDT |
Extended Forecast for
Thornton IA
Overnight
Low: -3 °F
Mostly Clear
Tuesday
High: 24 °F
Mostly Sunny
then Snow
LikelyTuesday Night
Low: 19 °F⇑
Snow Likely
and Breezy
then Slight
Chance Wintry
MixWednesday
High: 46 °F
Mostly Sunny
Wednesday Night
Low: 33 °F
Mostly Cloudy
Thursday
High: 51 °F
Sunny
Thursday Night
Low: 39 °F
Partly Cloudy
Friday
High: 62 °F
Mostly Sunny
Friday Night
Low: 40 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around -3. Wind chill values as low as -10. Northwest wind 8 to 10 mph.
Tuesday
Snow likely, mainly after 5pm. Increasing clouds, with a high near 24. Wind chill values as low as -15. Light and variable wind becoming south 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday Night
Snow likely, possibly mixing with freezing rain after midnight, then gradually ending. Cloudy, then gradually becoming partly cloudy, with a temperature rising to around 24 by 2am. Wind chill values as low as 5. Breezy, with a south wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 46. West southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 33. Southwest wind around 7 mph.
Thursday
Sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 70. Breezy.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 51. Breezy.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 44.
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
2:36 am CDT Mar 17, 2026
3am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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