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      Red Flag Warning
      until 9:00 PM MDT
      Elev 6998 ft, 42.736 °N 109.692 °W

      Boulder, WY

      Grable Lane Station72°
      Updated: 11:53 AM MDT on September 9, 2026 (GMT -6)
      9 minutes ago
      74°
      25°
      72
      Feels Like 71
      Sunny
      N
      5
      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
        Thu 09/10
        High 74°f
         0% Precip. / 0 in
        Sunny. High 74F. Winds WNW at 10 to 20 mph.
        Tonight
        Thu 09/10
        Low 31°f
         0% Precip. / 0 in
        Clear skies. Low 31F. Winds NW at 10 to 15 mph.
        Tomorrow
        Fri 09/11
        High 76°f42°f
         0% Precip. / 0 in
        Sunny, along with a few afternoon clouds. High 76F. WNW winds at less than 5 mph, increasing to 10 to 20 mph.
        Hourly Forecast
        Now
        68°
        12PM
        68°
        1PM
        70°
        2PM
        73°
        3PM
        71°
        4PM
        72°
        5PM
        71°
        6PM
        69°
        7PM
        66°
        7:39PM
        Sunset
        8PM
        60°
        9PM
        54°
        10PM
        50°
        11PM
        46°
        12AM
        43°
        1AM
        40°
        2AM
        38°
        3AM
        37°
        4AM
        36°
        5AM
        34°
        6AM
        33°
        6:53AM
        Sunrise
        7AM
        32°
        8AM
        38°
        9AM
        48°
        10AM
        56°
        11AM
        62°
        Precipitation
        1%
        Pollen
        None
        Air Quality
        29
        Good
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 30.19 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point16°F
        5. Humidity 13%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPNA Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 74°F 84°F 2021
        4. Low 25°F 32°F 16°F 2020
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 73°F 88°F
        4. Low 25°F 32°F 18°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:52 AM 7:39 PM
        3. Civil Twilight 6:23 AM 8:07 PM
        4. Nautical Twilight 5:49 AM 8:41PM
        5. Astronomical Twilight 5:14 AM 9:16 PM
        1. Length of Visible Light 13h 43m
        2. Length of Day 12h 46m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 5:03 AM 6:59 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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