Weather WorldUpper Arcadia Reservoir, ID 7-Day Night Weather Forecast
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Upper Arcadia Reservoir, ID Weather Forecast
Upper Arcadia Reservoir, ID Weather Forecast Date: 1231 PM MDT Wed Sep 09 2026
The area/counties/county of: Arco/Mud Lake Desert, including: Mud Lake, Inl, Craters Of The Moon Nm, Idaho Falls, Rexburg, and St. Anthony.or toggle through each period.
Tonight... Mostly clear. Lows 41 to 49. South winds 10 to 15 mph.
Thursday... Sunny. Highs 77 to 85. South winds up to 10 mph... Increasing to southwest 10 to 20 mph in the afternoon.
Thursday Night... Increasing clouds. Breezy. Lows 48 to 58. Southwest winds 15 to 25 mph...Decreasing to 10 to 15 mph after midnight.
Friday... Sunny, breezy. Highs 75 to 83. Southwest winds 15 to 25 mph.
Friday Night... Mostly clear. Lows 45 to 52. Southwest winds 10 to 15 mph.
Saturday... Mostly sunny. Highs 76 to 83.
Saturday Night... Mostly cloudy with a slight chance of rain. Breezy. Lows 42 to 49.
Sunday... Partly sunny. Very windy. Highs 59 to 66.
Sunday Night... Partly cloudy. Lows 34 to 41.
Monday... Mostly clear. Highs 60 to 67. Lows 36 to 43.
Monday Night... Mostly clear. Highs 60 to 67. Lows 36 to 43.
Tuesday... Sunny. Highs 68 to 75.
Tuesday Night... Partly cloudy. Lows 40 to 48. Highs 71 to 78.
POP = Probability of Precipitation
Upper Arcadia Reservoir Radar Loop
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