Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

81°F

27°C

Humidity 53%
Wind Speed SW 3 mph
Barometer 30.25 in (1023.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Jul 11:53 am CDT
Extended Forecast for

Sheffield IA

  • Today

    Today: Sunny, with a high near 86. South southeast wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. Light southwest wind.

    Low: 63 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. West southwest wind 3 to 5 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. Light south southwest wind.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. West wind 3 to 5 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. South southeast wind 3 to 5 mph.
Tonight
Clear, with a low around 63. Light southwest wind.
Monday
Sunny, with a high near 89. West southwest wind 3 to 5 mph.
Monday Night
Clear, with a low around 66. Light south southwest wind.
Tuesday
Sunny, with a high near 91. West wind 3 to 5 mph.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 71.
Saturday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Sheffield IA
 42.89°N 93.2°W
11:22 am CDT Jul 12, 2026
11am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database