National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

60°F

16°C

Humidity 80%
Wind Speed S 10 mph
Barometer 29.85 in (1009.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 5:53 am CDT
Extended Forecast for

Sheffield IA

  • Today

    Today: Sunny, with a high near 86. South wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind around 9 mph.

    Low: 67 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 5 to 8 mph becoming north northwest after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. North northwest wind 6 to 8 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 86. South wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 67. South wind around 9 mph.
Columbus Day
Mostly sunny, with a high near 87. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 5 to 8 mph becoming north northwest after midnight.
Tuesday
Sunny, with a high near 73. North northwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 68.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 56. Windy.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sheffield IA
 42.89°N 93.2°W
Last Update:
6:11 am CDT Oct 11, 2026
Forecast Valid:
6am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation