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      Flash Flood Watch
      until 12:00 AM MDT
      Elev 2850 ft, 43.569 °N 116.110 °W

      Boise, ID

      Harris Ranch Station71°
      Updated: 6:43 PM MDT on September 18, 2026 (GMT -6)
      9 minutes ago
      71°
      58°
      71
      Feels Like 70
      Partly Cloudy
      N
      6
      Similar temperature is expected tomorrow
      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
        Tonight
        Sat 09/19
        Low 52°f
         63% Precip. / 0.06 in
        Considerable cloudiness with occasional rain showers. Low 52F. Winds N at 5 to 10 mph. Chance of rain 60%. Locally heavy rainfall possible.
        Tomorrow
        Sun 09/20
        High 75°f
         14% Precip. / 0 in
        Sunshine along with some cloudy intervals. High around 75F. Winds NW at 5 to 10 mph.
        Tomorrow night
        Sun 09/20
        Low 53°f
         3% Precip. / 0 in
        Clear skies. Low 53F. Winds ENE at 5 to 10 mph.
        Hourly Forecast
        Now
        70°
        7PM
        69°
        7:48PM
        Sunset
        8PM
        67°
        9PM
        64°
        10PM
        46%
        61°
        11PM
        64%
        60°
        12AM
        66%
        60°
        1AM
        59°
        2AM
        32%
        58°
        3AM
        57°
        4AM
        57°
        5AM
        56°
        6AM
        55°
        7AM
        54°
        7:28AM
        Sunrise
        8AM
        53°
        9AM
        56°
        10AM
        58°
        11AM
        62°
        12PM
        65°
        1PM
        67°
        2PM
        70°
        3PM
        72°
        4PM
        73°
        5PM
        73°
        6PM
        74°
        Precipitation
        66%
        Rain possible after 10 PM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        39
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point45°F
        5. Humidity 41%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KBOI Station History
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 80°F 94°F 1984
        4. Low 58°F 49°F 34°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0.06 in - in -
        7. Snow 0 in - in -
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 80°F 91°F
        4. Low 58°F 49°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:28 AM 7:46 PM
        3. Civil Twilight 6:59 AM 8:15 PM
        4. Nautical Twilight 6:26 AM 8:49PM
        5. Astronomical Twilight 5:51 AM 9:23 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 18m
        3. Tomorrow will be 2 minutes 58 seconds shorter
        1. Moon 4:25 PM -
        2. Waxing Gibbous60% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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