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

51°F

11°C

Humidity 64%
Wind Speed NW 15 G 25 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 19 May 3:53 pm CDT
Extended Forecast for

Okoboji IA

Frost Advisory May 20, 01:00am until May 20, 08:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: A chance of sprinkles. Partly sunny, with a high near 53. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A chance of sprinkles before 9pm. Mostly clear, with a low around 35. North northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Chance
    Sprinkles

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming east northeast around 5 mph.

    High: 60 °F

    Areas Frost
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. East southeast wind around 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 43. East wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of sprinkles. Partly sunny, with a high near 53. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of sprinkles before 9pm. Mostly clear, with a low around 35. North northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Areas of frost before 7am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming east northeast around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 41. East southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 63. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 43. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Saturday
Mostly cloudy, with a high near 69.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 85.
Basemap Options
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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:
2:41 pm CDT May 19, 2026
Forecast Valid:
4pm CDT May 19, 2026-6pm CDT May 26, 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