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

72°F

22°C

Humidity 55%
Wind Speed S 12 mph
Barometer 29.82 in (1008.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Oct 7:53 pm CDT
Extended Forecast for

Clear Lake IA

  • Tonight

    Tonight: Clear, with a low around 63. Breezy, with a south wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 63 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. South southwest wind around 9 mph.

    Low: 68 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind around 8 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming north northwest after midnight.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 63. Breezy, with a south wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 85. South wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 68. South southwest wind around 9 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind around 8 mph.
Monday Night
Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming north northwest after midnight.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 66.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 58. Windy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clear Lake IA
 43.15°N 93.37°W
Last Update:
5:51 pm CDT Oct 10, 2026
Forecast Valid:
8pm CDT Oct 10, 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