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City of Ammon, IdahoAmmon, ID 7-Day Night Weather Forecast
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Ammon, ID Weather Forecast
Ammon, ID Weather Forecast Date: 1232 PM MDT Fri Sep 18 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... Rain showers likely and a chance of thunderstorms in the evening...Then a chance of rain showers and a slight chance of thunderstorms after midnight. Colder. Some thunderstorms May produce heavy rainfall in the evening. Lows 40 to 47. South winds up to 10 mph.
Saturday... Partly sunny. A chance of rain showers and a slight chance of thunderstorms in the morning...Then a slight chance of showers and thunderstorms in the afternoon. Highs 58 to 65. South winds up to 10 mph. Chance of precipitation 50%.
Saturday Night... Mostly cloudy. Lows 40 to 47. Light and variable winds.
Sunday... Mostly sunny. Highs 63 to 71. Light and variable winds.
Sunday Night... Mostly clear. Lows 40 to 47. Light and variable winds.
Monday... Sunny. Highs 68 to 76.
Monday Night... Partly cloudy. Lows 42 to 51. Highs 71 to 78.
Tuesday... Partly cloudy. Lows 42 to 51. Highs 71 to 78.
Wednesday... Sunny. Highs 71 to 78.
Wednesday Night... Mostly clear. Lows 43 to 51. Highs 73 to 80.
Thursday... Mostly clear. Lows 43 to 51. Highs 73 to 80.
Thursday Night... Partly cloudy. Lows 44 to 53. Highs 73 to 80.
POP = Probability of Precipitation
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