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Arrowhead Lake, ID Weather Forecast

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Arrowhead Lake, ID Weather Forecast

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Arrowhead Lake ID weather - Clear - 61°F
Clear
61°F
Updated 6:30 am
Feels Like 45°F
Humidity 53%
Wind SSE 10 mph
Barometer  30.07 in
Dew Point 44°F
Arrowhead Lake ID weather - Clear - 16°C
Clear
16°C
Updated 6:30 am
Feels Like 7°C
Humidity 53%
Wind SSE 16 km/h
Barometer  101.8 kPa
Dew Point 7°C
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Arrowhead Lake Weather Forecast

TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SUNDAY
Arrowhead Lake, ID Weather - Today Patchy Fog Arrowhead Lake, ID Weather - Tonight Increasing Clouds Arrowhead Lake, ID Weather - Tuesday Chance Of T-Storm Arrowhead Lake, ID Weather - Tuesday Night Clearing Arrowhead Lake, ID Weather - Wednesday Sunny Arrowhead Lake, ID Weather - Wednesday Night Mostly Clear Arrowhead Lake, ID Weather - Thursday Mostly Clear Arrowhead Lake, ID Weather - Thursday Night Partly Cloudy Arrowhead Lake, ID Weather - Friday Partly Cloudy Arrowhead Lake, ID Weather - Friday Night Chance Of Showers Arrowhead Lake, ID Weather - Saturday Partly Cloudy Arrowhead Lake, ID Weather - Sunday Partly Cloudy
Patchy Fog Increasing Clouds Chance of T-Storm Clearing Sunny Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Chance of Showers Partly Cloudy Partly Cloudy
Hi: 77°FHi: 25°C
 Lo: 49°FLo: 9°C Hi: 74°FHi: 23°C
 Lo: 46°FLo: 8°C Hi: 77°FHi: 25°C
 Hi: 82°FHi: 28°C
Lo: 49°FLo: 9°C		 Hi: 82°FHi: 28°C
Lo: 49°FLo: 9°C		 Hi: 73°FHi: 23°C
Lo: 50°FLo: 10°C		 Hi: 73°FHi: 23°C
Lo: 50°FLo: 10°C		 Lo: 42°FLo: 6°C Hi: 67°FHi: 19°C
Lo: 41°FLo: 5°C		 Hi: 67°FHi: 19°C
Lo: 41°FLo: 5°C
POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 230 AM MDT Mon Sep 21 2026 Arrowhead Lake, ID Weather - WeatherWorld.com

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Issued: 548 AM MDT Mon Sep 21 2026

Key Messages

  • Mostly dry with warming temperatures through Thursday.
  • Chance of showers and thunderstorms Tuesday, mostly across higher terrain of southwest Idaho.
  • Cooler temperatures heading into this weekend with a chance of precipitation across SE Oregon and portions of SW Idaho Friday.

Aviation

/12Z Monday through Tuesday/... Issued 440 AM MDT MON SEP 21 2026 VFR. Sparse mountain valley fog in Central Idaho this morning quickly clears around sunrise. High clouds moving in this afternoon. Surface ...