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Mackay, ID Weather Forecast

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Mackay, ID Weather Forecast

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Mackay ID weather - Partly Cloudy - 48°F
Partly Cloudy
48°F
Updated 12:28 am
Feels Like 34°F
Humidity 57%
Wind N 0 mph
Barometer  29.64 in
Dew Point 33°F
Mackay ID weather - Partly Cloudy - 9°C
Partly Cloudy
9°C
Updated 12:28 am
Feels Like 1°C
Humidity 57%
Wind N 0 km/h
Barometer  100.4 kPa
Dew Point 1°C
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Mackay Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT COLUMBUS DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Mackay, ID Weather - Tonight Chance Of T-Storm Mackay, ID Weather - Sunday Chance Of Rain Mackay, ID Weather - Sunday Night Chance Of Snow Mackay, ID Weather - Columbus Day Rain And Snow Mackay, ID Weather - Monday Night Rain And Snow Mackay, ID Weather - Tuesday Chance Of Snow Mackay, ID Weather - Tuesday Night Partly Cloudy Mackay, ID Weather - Wednesday Mostly Clear Mackay, ID Weather - Wednesday Night Mostly Clear Mackay, ID Weather - Thursday Sunny Mackay, ID Weather - Thursday Night Mostly Clear Mackay, ID Weather - Friday Mostly Clear
Chance of T-Storm Chance of Rain Chance of Snow Rain and Snow Rain and Snow Chance of Snow Partly Cloudy Mostly Clear Mostly Clear Sunny Mostly Clear Mostly Clear
Lo: 40°FLo: 4°C Hi: 52°FHi: 11°C
 Lo: 35°FLo: 2°C Hi: 49°FHi: 9°C
 Lo: 33°FLo: 1°C Hi: 53°FHi: 12°C
 Lo: 32°FLo: 0°C Hi: 57°FHi: 14°C
Lo: 33°FLo: 1°C		 Hi: 57°FHi: 14°C
Lo: 33°FLo: 1°C		 Hi: 58°FHi: 14°C
 Hi: 64°FHi: 18°C
Lo: 35°FLo: 2°C		 Hi: 64°FHi: 18°C
Lo: 35°FLo: 2°C
POP = Probability of Precipitation.
Weather Outlook Updated: 132 PM MDT Sat Oct 10 2026 Mackay, ID Weather - WeatherWorld.com

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Issued: 1035 PM MDT Sat Oct 10 2026

Key Messages

  • Flood Watch in Effect: A Flood Watch remains active across much of eastern Idaho for a multi-day rainfall event. Widespread totals of 1.0 to 2.0 inches are expected across the Magic Valley, Snake Plain, and eastern highlands, with localized amounts up to 3.0 inches possible. NBM guidance shows 70% to 100% probabilities for rainfall exceeding 1.0 inch in the aforementioned areas. Probabilities for exceeding 2.0 inches range from 20% to 50%, peaking at 60% to 80% around Island Park.
  • Sh...