Weather WorldArrowhead Lake, ID 7-Day Night Weather Forecast
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Arrowhead Lake, ID Weather Forecast
Arrowhead Lake, ID Weather Forecast Date: 230 AM MDT Sat Sep 12 2026
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Today... Mostly sunny. Highs 69 to 84.
Tonight... Mostly cloudy. Patchy smoke. Lows 37 to 51.
Sunday... Patchy fog and smoke in the morning. Sunny. Much cooler with highs 52 to 67.
Sunday Night... Mostly clear. Areas of fog after midnight. Colder with lows 28 to 43.
Monday... Areas of fog in the morning. Sunny. Highs 56 to 71.
Monday Night... Clear. Patchy fog after midnight. Lows 29 to 44.
Tuesday... Patchy fog in the morning. Sunny. Highs 61 to 75.
Tuesday Night... Mostly clear. Lows 31 to 46. Highs 66 to 81.
Wednesday... Mostly clear. Lows 31 to 46. Highs 66 to 81.
Thursday... Mostly clear. Lows 31 to 46. Highs 66 to 81.
Thursday Night... Mostly clear. Lows 36 to 51. Highs 70 to 84.
POP = Probability of Precipitation
Arrowhead Lake Radar Loop
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