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      Elev 4396 ft, 42.848 °N 112.859 °W

      American Falls, ID

      American Falls Station55°
      Updated: 9:11 AM MDT on September 18, 2026 (GMT -6)
      4 minutes ago
      66°
      51°
      55
      Feels Like 55
      Mostly Cloudy
      N
      9
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Sat 09/19
        High 66°f
         98% Precip. / 0.41 in
        Cloudy this morning with thunderstorms developing this afternoon. Storms may produce some hail. High 66F. N winds shifting to WSW at 10 to 20 mph. Chance of rain 100%.
        Tonight
        Sat 09/19
        Low 46°f
         23% Precip. / 0 in
        Some clouds. Low 46F. Winds SW at 10 to 15 mph.
        Tomorrow
        Sun 09/20
        High 64°f43°f
         24% Precip. / 0 in
        Considerable cloudiness. A stray shower or thunderstorm is possible. High 64F. Winds WSW at 5 to 10 mph.
        Hourly Forecast
        Now
        56°
        10AM
        59°
        11AM
        62°
        12PM
        63°
        1PM
        95%
        65°
        2PM
        59%
        65°
        3PM
        64°
        4PM
        34%
        64°
        5PM
        40%
        63°
        6PM
        60°
        7PM
        59°
        7:35PM
        Sunset
        8PM
        58°
        9PM
        55°
        10PM
        55°
        11PM
        54°
        12AM
        53°
        1AM
        52°
        2AM
        51°
        3AM
        50°
        4AM
        48°
        5AM
        47°
        6AM
        48°
        7AM
        47°
        7:15AM
        Sunrise
        8AM
        47°
        9AM
        50%
        51°
        Precipitation
        95%
        Thunderstorms possible after 1 PM
        Pollen
        None
        Air Quality
        33
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.03 in
        2. Visibility 9 miles
        3. Clouds Mostly Cloudy
        4. Dew Point54°F
        5. Humidity 92%
        6. Rainfall 0.44 in
        7. Snow Depth 0 in
         KPIH Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 74°F 93°F 1898
        4. Low 51°F 44°F 16°F 1911
        5. Rain/Snow Depth
        6. Precipitation 0.41 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 74°F 93°F
        4. Low 51°F 44°F 18°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:14 AM 7:35 PM
        3. Civil Twilight 6:46 AM 8:03 PM
        4. Nautical Twilight 6:12 AM 8:37PM
        5. Astronomical Twilight 5:38 AM 9:11 PM
        1. Length of Visible Light 13h 17m
        2. Length of Day 12h 21m
        3. Tomorrow will be 2 minutes 53 seconds shorter
        1. Moon 3:22 PM 11:42 PM
        2. First Quarter50% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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