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

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair

77°F

25°C

Humidity 39%
Wind Speed S 8 G 15 mph
Barometer 29.77 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 10 Oct 7:15 pm CDT
Extended Forecast for

Sac City IA

  • Tonight

    Tonight: Clear, with a low around 65. South wind 9 to 15 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 88. South wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 88 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. South wind around 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. South southwest wind around 8 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Light and variable wind becoming west 5 to 7 mph in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

Detailed Forecast

Tonight
Clear, with a low around 65. South wind 9 to 15 mph, with gusts as high as 30 mph.
Sunday
Increasing clouds, with a high near 88. South wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 69. South wind around 7 mph.
Columbus Day
Sunny, with a high near 88. South southwest wind around 8 mph.
Monday Night
Mostly clear, with a low around 57. Light and variable wind becoming west 5 to 7 mph in the evening.
Tuesday
Sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 52.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 67.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sac City IA
 42.42°N 95°W
Last Update:
5:51 pm CDT Oct 10, 2026
Forecast Valid:
7pm 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