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Chester, ID Weather Forecast
Chester, ID Weather Forecast Date: 107 PM MDT Sat Sep 12 2026
The area/counties/county of: Upper Snake River Plain, including: Idaho Falls, Rexburg, and St. Anthony.or toggle through each period.
Tonight... Mostly cloudy in the evening then clearing. Patchy smoke. Lows 47 to 57. South winds around 10 mph...Shifting to east after midnight.
Sunday... Sunny, windy. Highs 70 to 77. South winds 10 to 20 mph...Increasing to southwest 20 to 30 mph in the afternoon.
Sunday Night... Mostly clear. Breezy, colder. Lows 35 to 45. Southwest winds 15 to 25 mph.
Monday... Sunny. Highs 61 to 68. Southwest winds 10 to 20 mph.
Monday Night... Clear. Lows 35 to 43. South winds around 10 mph.
Tuesday... Sunny. Highs 67 to 75.
Tuesday Night... Mostly clear. Lows 38 to 48. Highs 69 to 77.
Wednesday... Mostly clear. Lows 38 to 48. Highs 69 to 77.
Thursday... Mostly clear. Lows 38 to 48. Highs 69 to 77.
Thursday Night... Partly cloudy with a slight chance of rain. Lows 39 to 48.
Friday... Sunny with a slight chance of rain. Highs 70 to 77.
Friday Night... Mostly clear. Lows 40 to 49. Highs 72 to 79.
POP = Probability of Precipitation
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