Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Unknown Precip and Windy
19°F
-7°C
| Humidity | 77% |
| Wind Speed | NW 30 G 41 mph |
| Barometer | 29.98 in (1016.9 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 3.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 21 Jan 5:53 pm CST |
Extended Forecast for
Thornton IA
Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Blizzard Warning January 21, 06:48pm until January 21, 11:00pm
NOW until 11:00pm Wed
Blizzard Warning
Tonight
Low: 7 °F
Chance Snow
and Areas
Blowing SnowThursday
High: 15 °F⇓
Blustery.
Slight Chance
Snow then
Partly SunnyThursday Night
Low: -18 °F
Partly Cloudy
and Blustery
then Mostly
ClearFriday
High: -10 °F
Cold
Friday Night
Low: -14 °F
Mostly Cloudy
Saturday
High: -3 °F
Cold
Saturday Night
Low: -10 °F
Slight Chance
SnowSunday
High: 3 °F
Cold
Detailed Forecast
Tonight
A chance of snow or flurries before 9pm, then a slight chance of snow after 5am. Areas of blowing snow before 10pm. Partly cloudy, with a low around 7. Wind chill values as low as -5. Windy, with a west wind 22 to 32 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A chance of flurries with a slight chance of snow before 8am, then a chance of flurries between 8am and 11am. Partly sunny, with a temperature rising to near 15 by 11am, then falling to around 6 during the remainder of the day. Wind chill values as low as -10. Blustery, with a west wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around -18. Wind chill values as low as -40. Blustery, with a north northwest wind 13 to 16 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near -10. Wind chill values as low as -40. North northwest wind 7 to 13 mph.
Friday Night
Mostly cloudy, with a low around -14. North wind 3 to 5 mph.
Saturday
Partly sunny and cold, with a high near -3.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -10.
Sunday
Partly sunny and cold, with a high near 3.
Sunday Night
Partly cloudy, with a low around -13.
Monday
Mostly sunny and cold, with a high near 9.
Monday Night
Partly cloudy, with a low around 0.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 1.
Wednesday
Mostly sunny, with a high near 13.
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
5:16 pm CST Jan 21, 2026
6pm CST Jan 21, 2026-6pm CST Jan 28, 2026
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