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Big Fill Reservoir, ID Weather Forecast
Big Fill Reservoir, ID Weather Forecast Date: 1231 AM MDT Mon Aug 17 2026
The area/counties/county of: Lower Snake River Plain, including: Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall.or toggle through each period.
Today... Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs 81 to 90. Northeast winds around 10 mph...Shifting to southwest in the afternoon.
Tonight... Mostly cloudy. Lows 52 to 60. South winds around 10 mph...Shifting to northeast up to 10 mph after midnight.
Tuesday... Partly sunny. Highs 80 to 88. Northeast winds up to 10 mph...Shifting to southwest around 10 mph in the afternoon.
Tuesday Night... Partly cloudy. Lows 50 to 59. West winds around 10 mph.
Wednesday... Sunny. Highs 81 to 89. Northwest winds up to 10 mph.
Wednesday Night... Mostly clear. Lows 51 to 61. Highs 86 to 95.
Thursday... Mostly clear. Lows 51 to 61. Highs 86 to 95.
Thursday Night... Partly cloudy. Lows 56 to 64. Highs 88 to 97.
Friday... Partly cloudy. Lows 56 to 64. Highs 88 to 97.
Friday Night... Mostly cloudy with a chance of rain and a slight chance of thunderstorms. Lows 58 to 66.
Saturday... Partly sunny with a slight chance of showers and thunderstorms. Highs 81 to 90.
Saturday Night... Mostly cloudy with a slight chance of rain. Lows 54 to 62.
POP = Probability of Precipitation
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