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Hazardous Weather Conditions

Current conditions at

Spencer Municipal Airport (KSPW)

Lat: 43.17°NLon: 95.21°WElev: 1332ft.

Fair

59°F

15°C

Humidity 90%
Wind Speed E 3 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Aug 5:53 am CDT
Extended Forecast for

3 Miles N Marathon IA

  • Today

    Today: A slight chance of showers between noon and 3pm. Partly sunny, with a high near 78. East northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind becoming southwest around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62. South southwest wind around 5 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind around 5 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. Calm wind becoming northwest around 5 mph.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers between noon and 3pm. Partly sunny, with a high near 78. East northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 57. Calm wind becoming southwest around 5 mph.
Thursday
Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62. South southwest wind around 5 mph.
Friday
Sunny, with a high near 83. Northwest wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. Calm wind becoming northwest around 5 mph.
Saturday
Sunny, with a high near 79.
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 58.
Monday
Partly 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:
3 Miles N Marathon IA
 42.92°N 94.97°W (Elev. 1401 ft)
Last Update:
6:38 am CDT Aug 19, 2026
Forecast Valid:
6am CDT Aug 19, 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