Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.77 in (1007.4 mb)
Dewpoint 58°F (14°C)
Visibility 6.00 mi
Last update 13 Apr 7:53 am CDT
Extended Forecast for

Thornton IA

  • Today

    Today: A slight chance of showers and thunderstorms between 2pm and 4pm.  Partly sunny, with a high near 78. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 54. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 76. West wind 6 to 10 mph becoming north in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. Northeast wind 7 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 71. East northeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of thunderstorms before 7am.  Mostly sunny, with a high near 74. Chance of precipitation is 10%.

    High: 74 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 77. Windy.  Chance of precipitation is 60%.

    High: 77 °F

    Windy. Mostly
    Sunny then
    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 78. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 54. Breezy, with a south southwest wind 8 to 18 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. West wind 6 to 10 mph becoming north in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 71. East northeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 74. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 56.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 77. Windy. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36. Windy.
Saturday
Partly sunny, with a high near 49. Windy.
Saturday Night
Partly cloudy, with a low around 29. Blustery.
Sunday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornton IA
 42.95°N 93.37°W
6:06 am CDT Apr 13, 2026
8am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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