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

90°F

32°C

Humidity 50%
Wind Speed SE 7 mph
Barometer 29.91 in (1011.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Sep 4:53 pm CDT
Extended Forecast for

5 Miles NE Marathon IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. East southeast wind around 10 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could be severe. Increasing clouds, with a low around 67. East wind 5 to 10 mph becoming north after midnight.

    Low: 67 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms, mainly between 10am and 11am. Mostly sunny, with a high near 88. East wind around 5 mph becoming southwest in the afternoon.

    High: 88 °F

    Slight Chance
    T-storms then
    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 69. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, then gradually becoming sunny, with a high near 88. South wind 5 to 15 mph.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind 5 to 10 mph.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • 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
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. East southeast wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could be severe. Increasing clouds, with a low around 67. East wind 5 to 10 mph becoming north after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms, mainly between 10am and 11am. Mostly sunny, with a high near 88. East wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 69. Calm wind becoming south southeast around 5 mph after midnight.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, then gradually becoming sunny, with a high near 88. South wind 5 to 15 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Friday Night
Partly cloudy, 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 67.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Labor Day
Partly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Marathon IA
 42.92°N 94.91°W (Elev. 1404 ft)
Last Update:
4:23 pm CDT Sep 1, 2026
Forecast Valid:
5pm CDT Sep 1, 2026-6pm CDT Sep 8, 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