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.

Fair

79°F

26°C

Humidity 65%
Wind Speed SW 9 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Aug 6:53 pm CDT
Extended Forecast for

Okoboji IA

Severe T-storm Watch until August 19, 12:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 19, 12:00am

    NOW until 12:00am Wed

    Severe T-storm Watch

  • Tonight

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. East wind around 5 mph becoming west in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 5 to 10 mph becoming east in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Southwest wind around 10 mph.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. North northwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 57. Northwest wind around 5 mph becoming east northeast after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. East wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. South wind 5 to 10 mph becoming east in the evening.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Southwest wind around 10 mph.
Friday
Sunny, with a high near 82. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Okoboji IA
 43.39°N 95.15°W (Elev. 1450 ft)
Last Update:
6:53 pm CDT Aug 18, 2026
Forecast Valid:
7pm CDT Aug 18, 2026-6pm CDT Aug 25, 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