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Hazardous Weather Conditions
Current conditions at
Spencer Municipal Airport (KSPW)
Lat: 43.17°NLon: 95.21°WElev: 1332ft.
Light Rain
48°F
9°C
| Humidity | 93% |
| Wind Speed | NW 13 G 23 mph |
| Barometer | 30.05 in (1018.1 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 15 Oct 1:53 pm CDT |
Extended Forecast for
Marathon IA
Freeze Watch October 17, 01:00am until October 17, 08:00am
This Afternoon

High: 52 °F
Showers and
Patchy FogTonight
Low: 40 °F
Slight Chance
Showers then
Mostly Cloudy
and BreezyFriday

High: 50 °F
Decreasing
Clouds and
BreezyFriday Night

Low: 29 °F
Frost
Saturday

High: 57 °F
Frost then
SunnySaturday Night

Low: 40 °F
Clear
Sunday

High: 65 °F
Sunny
Sunday Night

Low: 43 °F
Partly Cloudy
Monday

High: 66 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers, mainly before 5pm. Patchy fog before 3pm, then patchy fog after 4pm. High near 52. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 20 percent chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 40. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 50. Breezy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Friday Night
Widespread frost, mainly after midnight. Otherwise, mostly clear, with a low around 29. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 57. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Clear, with a low around 40. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Marathon IA
42.85°N 94.97°W (Elev. 1375 ft)
42.85°N 94.97°W (Elev. 1375 ft)
1:33 pm CDT Oct 15, 2026
2pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026



