Weather Alert
Marathon High School Weather Warning NWS WEATHER ALERT FOR THE MARATHON HIGH SCHOOL, WI AREA - Issued: 220 AM CDT Tue Aug 18 2026 Marathon High School Weather Warning

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Marathon High School, WI Weather Forecast

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Marathon High School, WI Weather Forecast

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Marathon High School WI weather - Clear - 67°F
Clear
67°F
Updated 8:57 am
Feels Like 68°F
Humidity 81%
Wind N 0 mph
Barometer  29.94 in
Dew Point 61°F
Marathon High School WI weather - Clear - 19°C
Clear
19°C
Updated 8:57 am
Feels Like 20°C
Humidity 81%
Wind N 0 km/h
Barometer  101.3 kPa
Dew Point 16°C
WX Settings

Marathon High School Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Marathon High School, WI Weather - Today Chance Of T-Storm Marathon High School, WI Weather - Tonight Chance Of T-Storm Marathon High School, WI Weather - Wednesday Mostly Sunny Marathon High School, WI Weather - Wednesday Night Mostly Clear Marathon High School, WI Weather - Thursday Chance Of Showers Marathon High School, WI Weather - Thursday Night Chance Of T-Storm Marathon High School, WI Weather - Friday Chance Of T-Storm Marathon High School, WI Weather - Friday Night Chance Of Showers Marathon High School, WI Weather - Saturday Mostly Sunny Marathon High School, WI Weather - Saturday Night Clear Marathon High School, WI Weather - Sunday Mostly Sunny Marathon High School, WI Weather - Sunday Night Partly Cloudy
Chance of T-Storm Chance of T-Storm Mostly Sunny Mostly Clear Chance of Showers Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Sunny Clear Mostly Sunny Partly Cloudy
Hi: 79°FHi: 26°C
 Lo: 50°FLo: 10°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 80°FHi: 27°C
 Lo: 59°FLo: 15°C Hi: 80°FHi: 27°C
 Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP: 40% POP: 20% POP: 30% POP: 70% POP: 30% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 627 AM CDT Tue Aug 18 2026 Marathon High School, WI Weather - WeatherWorld.com

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Issued: 620 AM CDT Tue Aug 18 2026

Key Messages

  • Isolated to scattered showers and storms (30 to 60% chance) today. Marginal risk (level 1 of 5) for severe storms over the far south.
  • Dry mid-week then next round of showers/storms arrives late Thursday into Friday.

Discussion

... Issued at 144 AM CDT Tue Aug 18 2026

Shower/Storm Chances Today & Late This Week...Overnight showers and storms have waned during the early morning hours as instability decreased and the LLJ weakened/veered, with only a few linger...