Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

38°F

3°C

Humidity 70%
Wind Speed N 14 mph
Barometer 30.14 in (1021.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Nov 8:53 am CST
Extended Forecast for

Thornton IA

  • Today

    Today: A chance of sprinkles before 11am.  Partly sunny, with a high near 41. North wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 41 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: Partly cloudy, with a low around 23. North wind 3 to 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 40. North wind 3 to 7 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Calm wind.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
A chance of sprinkles before 11am. Partly sunny, with a high near 41. North wind 8 to 14 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 23. North wind 3 to 7 mph.
Friday
Sunny, with a high near 40. North wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 19. Calm wind.
Saturday
Sunny, with a high near 42. Calm wind.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 49.
Monday Night
Clear, with a low around 29.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.93°N 93.4°W
5:12 am CST Nov 12, 2026
9am CST Nov 12, 2026-6pm CST Nov 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database