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Tropical Storm and Storm Surge Watches for the North Carolina Outer Banks; Hot in the Mid-Mississippi Valley

Tropical Storm conditions and coastal flooding are possible in the North Carolina Outer Banks beginning late Wednesday. Tropical Storm and Storm Surge Watches are in effect. Major Hurricane Erin is expected to bring life threatening surf and rip currents along the East Coast beaches this week. Hot to extremely hot temperatures are forecast through Tuesday in the Mid-Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1016.4 mb)
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 18 Aug 11:53 pm CDT
Extended Forecast for

3 Miles E Sheffield IA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 68. Light north northeast wind.

    Low: 68 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. North wind 3 to 7 mph.

    High: 82 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Light east northeast wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 68. Light north northeast wind.
Tuesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. North wind 3 to 7 mph.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. Light east northeast wind.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sheffield IA
 42.89°N 93.14°W
Last Update:
10:48 pm CDT Aug 18, 2025
Forecast Valid:
12am CDT Aug 19, 2025-6pm CDT Aug 25, 2025
 
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