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

43°F

6°C

Humidity 80%
Wind Speed N 13 mph
Barometer 29.77 in (1009.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 9 Mar 8:53 pm CDT
Extended Forecast for

3 Miles N Marathon IA

  • Tonight

    Tonight: Mostly clear, with a low around 33. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Breezy, with a northeast wind 15 to 20 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, possibly mixed with rain, mainly after 4am. Increasing clouds, with a low around 30. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain before 7am, then a slight chance of snow between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Breezy.
    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 5 to 15 mph becoming southwest after midnight.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 58. Breezy, with a south southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Blustery.

    Low: 30 °F

    Chance Rain
    and Blustery

  • Friday

    Friday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain and snow after 1am. Cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Cloudy then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 55. Breezy, with a northeast wind 15 to 20 mph.
Tuesday Night
Snow likely, possibly mixed with rain, mainly after 4am. Increasing clouds, with a low around 30. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, possibly mixed with rain before 7am, then a slight chance of snow between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 5 to 15 mph becoming southwest after midnight.
Thursday
Mostly cloudy, with a high near 58. Breezy, with a south southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Blustery.
Friday
Mostly cloudy, with a high near 46.
Friday Night
A chance of rain and snow after 1am. Cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
Rain and snow likely. Cloudy, with a low around 25. Blustery. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Sunday Night
Partly cloudy, with a low around 11. Blustery.
Monday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Marathon IA
 42.92°N 94.97°W (Elev. 1401 ft)
Last Update:
6:53 pm CDT Mar 9, 2026
Forecast Valid:
9pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation