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Chilly, ID Weather Forecast
Chilly, ID Weather Forecast Date: 837 PM MDT Fri Sep 11 2026
The area/counties/county of: Lost River Valley, including: Howe, Arco, Mackay, Chilly, and Challis.or toggle through each period.
Tonight... Mostly clear. Lows 41 to 49. West winds 10 to 15 mph... Decreasing to up to 10 mph after midnight.
Saturday... Mostly sunny. Highs 72 to 82. South winds up to 10 mph...Shifting to southwest in the afternoon.
Saturday Night... Mostly cloudy. Lows 46 to 54. Southwest winds 10 to 15 mph.
Sunday... Sunny, breezy. Highs 61 to 71. Southwest winds 15 to 25 mph.
Sunday Night... Mostly clear. Colder. Lows 32 to 41. West winds 10 to 15 mph.
Monday... Mostly clear. Highs 59 to 69. Lows 34 to 41.
Monday Night... Mostly clear. Highs 59 to 69. Lows 34 to 41.
Tuesday... Mostly clear. Highs 67 to 77. Lows 37 to 47.
Wednesday... Mostly clear. Highs 67 to 77. Lows 37 to 47.
Thursday... Mostly clear. Highs 67 to 77. Lows 37 to 47.
Thursday Night... Mostly clear. A slight chance of rain. Lows 41 to 48. Highs 70 to 80.
POP = Probability of Precipitation
Chilly Radar Loop
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