Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Overcast and Breezy
11°F
-12°C
| Humidity | 70% |
| Wind Speed | NW 24 mph |
| Barometer | 30.03 in (1018.8 mb) |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | -9°F (-23°C) |
| Last update | 16 Mar 12:53 pm CDT |
Extended Forecast for
Thornton IA
This Afternoon

High: 13 °F
Areas Blowing
Snow and
WindyTonight
Low: -1 °F
Patchy
Blowing Snow
and Windy
then Mostly
ClearTuesday
High: 25 °F
Mostly Sunny
then Snow
LikelyTuesday Night
Low: 23 °F
Snow and
Breezy then
Mostly CloudyWednesday

High: 42 °F
Mostly Sunny
Wednesday Night

Low: 31 °F
Mostly Cloudy
Thursday

High: 47 °F
Mostly Sunny
Thursday Night

Low: 35 °F
Mostly Cloudy
Friday

High: 64 °F
Partly Sunny
Detailed Forecast
This Afternoon
Areas of blowing snow. Partly sunny, with a high near 13. Wind chill values as low as -10. Windy, with a northwest wind around 26 mph, with gusts as high as 33 mph.
Tonight
Patchy blowing snow before 7pm. Partly cloudy, with a low around -1. Wind chill values as low as -15. Windy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Snow likely, mainly after 4pm. Increasing clouds, with a high near 25. 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 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow, mainly before 9pm. Steady temperature around 23. Wind chill values as low as 10. Breezy, with a south wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Mostly sunny, with a high near 42. West southwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 50. Breezy.
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
11:47 am CDT Mar 16, 2026
1pm CDT Mar 16, 2026-6pm CDT Mar 22, 2026


