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

Hazardous Weather Conditions

Current conditions at

Spencer Municipal Airport (KSPW)

Lat: 43.17°NLon: 95.21°WElev: 1332ft.

Overcast

68°F

20°C

Humidity 93%
Wind Speed E 12 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Sep 6:53 pm CDT
Extended Forecast for

Okoboji IA

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Patchy fog. Otherwise, cloudy, with a low around 62. East southeast wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    T-storms
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers after 4pm. Patchy fog before noon. Otherwise, cloudy, with a high near 69. North wind around 10 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 55. North northeast wind around 15 mph.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after 1am. Cloudy, with a low around 52. East northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 60. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 8pm. Patchy fog. Otherwise, cloudy, with a low around 62. East southeast wind 5 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers after 4pm. Patchy fog before noon. Otherwise, cloudy, with a high near 69. North wind around 10 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 55. North northeast wind around 15 mph.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 65. East northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 50 percent chance of showers after 1am. Cloudy, with a low around 52. East northeast wind around 15 mph, with gusts as high as 20 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 60. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Okoboji IA
 43.39°N 95.15°W (Elev. 1450 ft)
Last Update:
6:13 pm CDT Sep 18, 2026
Forecast Valid:
7pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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