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

Spencer Municipal Airport (KSPW)

Lat: 43.17°NLon: 95.21°WElev: 1332ft.

Fair

75°F

24°C

Humidity 52%
Wind Speed W 7 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 9 Sep 6:53 pm CDT
Extended Forecast for

Arnolds Park IA

  • Tonight

    Tonight: Increasing clouds, with a low around 54. West northwest wind 5 to 10 mph becoming light west in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 77. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 58. Breezy, with a south wind 15 to 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Chance
    T-storms then
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. West northwest wind 5 to 10 mph becoming light west in the evening.
Thursday
Sunny, with a high near 77. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 80. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 58. Breezy, with a south wind 15 to 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 71. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnolds Park IA
 43.35°N 95.12°W (Elev. 1401 ft)
Last Update:
6:48 pm CDT Sep 9, 2026
Forecast Valid:
7pm CDT Sep 9, 2026-6pm CDT Sep 16, 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