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

89°F

32°C

Humidity 52%
Wind Speed E 10 mph
Barometer 29.93 in (1012.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 1 Sep 2:53 pm CDT
Extended Forecast for

Arnolds Park IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 3am and 4am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 65. East southeast wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86. East southeast wind around 5 mph becoming west in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms then
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 68. North northeast wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 60%.

    Low: 68 °F

    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, then gradually becoming sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A chance of thunderstorms before 7am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 87. Southeast wind around 5 mph.
Tonight
Showers and thunderstorms likely, mainly between 3am and 4am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 65. East southeast wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86. East southeast wind around 5 mph becoming west in the afternoon.
Wednesday Night
A chance of showers and thunderstorms between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 68. North northeast wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, then gradually becoming sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. South wind around 10 mph.
Friday
A chance of thunderstorms before 7am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 69.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 64.
Labor Day
A 30 percent chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnolds Park IA
 43.35°N 95.15°W (Elev. 1440 ft)
Last Update:
2:33 pm CDT Sep 1, 2026
Forecast Valid:
3pm CDT Sep 1, 2026-6pm CDT Sep 7, 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