Hazardous Weather Conditions
Current conditions at
Storm Lake (KSLB)
Lat: 42.6°NLon: 95.23°WElev: 1489ft.
Mostly Cloudy
75°F
24°C
| Humidity | 54% |
| Wind Speed | SW 10 mph |
| Barometer | 30.13 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 23 Jun 4:35 pm CDT |
Extended Forecast for
Marathon IA
Tonight
Low: 59 °F
Chance
T-storms then
Showers
LikelyWednesday

High: 81 °F
Becoming
SunnyWednesday Night

Low: 54 °F
Partly Cloudy
Thursday

High: 77 °F
Mostly Sunny
Thursday Night

Low: 55 °F
Partly Cloudy
Friday

High: 79 °F
Mostly Sunny
Friday Night

Low: 62 °F
Partly Cloudy
Saturday
High: 84 °F
Partly Sunny
then Partly
Sunny and
BreezySaturday Night

Low: 69 °F
Chance
T-storms and
Breezy
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 81. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 77. North northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 55. East wind around 5 mph.
Friday
Mostly sunny, with a high near 79. Southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 84. Breezy.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Breezy.
Sunday
Mostly sunny, with a high near 94. Breezy.
Sunday Night
Mostly clear, with a low around 71. Breezy.
Monday
Sunny, with a high near 94. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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)
4:28 pm CDT Jun 23, 2026
4pm CDT Jun 23, 2026-6pm CDT Jun 30, 2026



