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Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast
28°F
-2°C
| Humidity | 85% |
| Wind Speed | NE 6 mph |
| Barometer | 30.08 in (1019.5 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 14 Mar 3:53 am CDT |
Extended Forecast for
Thornton IA
Winter Storm Watch March 15, 01:00am until March 16, 10:00am
High Wind Watch March 15, 01:00pm until March 16, 04:00am
Overnight

Low: 27 °F
Slight Chance
SnowSaturday
High: 42 °F
Slight Chance
Snow then
Mostly Cloudy
and BreezySaturday Night
Low: 30 °F
Windy. Chance
Rain/Snow
then RainSunday

High: 36 °F⇓
Wintry Mix
and Blowing
SnowSunday Night

Low: 4 °F
Snow Likely
and Blowing
SnowMonday

High: 12 °F
Blowing Snow
and WindyMonday Night
Low: 0 °F
Patchy
Blowing Snow
and Windy
then Mostly
ClearTuesday
High: 27 °F
Mostly Sunny
then Chance
SnowTuesday Night

Low: 20 °F
Snow Likely
and Breezy
Detailed Forecast
Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 27. Light east wind.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 42. Breezy, with a southeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A slight chance of snow before 9pm, then rain. Some thunder is also possible. Low around 30. Windy, with an east southeast wind 18 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain, snow, freezing rain, and sleet before 2pm, then snow, possibly mixed with sleet between 2pm and 4pm, then snow after 4pm. Widespread blowing snow, mainly after 4pm. Temperature falling to around 28 by 5pm. Very windy, with an east wind 18 to 28 mph becoming north 30 to 40 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before 1am. Widespread blowing snow. Cloudy, with a low around 4. Very windy, with a north northwest wind 39 to 43 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
Widespread blowing snow, mainly before noon. Partly sunny, with a high near 12. Windy.
Monday Night
Patchy blowing snow before 7pm. Mostly clear, with a low around 0. Windy.
Tuesday
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 27.
Tuesday Night
Snow likely before 1am. Mostly cloudy, with a low around 20. Breezy. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 59.
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
3:17 am CDT Mar 14, 2026
4am CDT Mar 14, 2026-6pm CDT Mar 20, 2026



