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      Elev 5098 ft, 44.354 °N 103.744 °W

      Deadwood, SD

      Sanford Underground Research Facility - Waste Water Treatment Plant Station54°
      Updated: 7:30 PM MDT on October 3, 2026 (GMT -6)
      6 minutes ago
      63°
      42°
      54
      Feels Like 54
      Clear
      N
      5
      Higher temperature is expected tomorrow
      Wundermap
      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
        Sun 10/04
        Low 42°f
         1% Precip. / 0 in
        Some clouds. Low 42F. Winds SW at 5 to 10 mph.
        Tomorrow
        Mon 10/05
        High 71°f
         0% Precip. / 0 in
        Sunny skies. High 71F. Winds ESE at 10 to 15 mph.
        Tomorrow night
        Mon 10/05
        Low 50°f
         1% Precip. / 0 in
        Clear skies. Low near 50F. Winds SSW at 5 to 10 mph.
        Hourly Forecast
        Now
        54°
        8PM
        53°
        9PM
        50°
        10PM
        48°
        11PM
        47°
        12AM
        46°
        1AM
        45°
        2AM
        45°
        3AM
        43°
        4AM
        44°
        5AM
        44°
        6AM
        45°
        6:56AM
        Sunrise
        7AM
        45°
        8AM
        49°
        9AM
        55°
        10AM
        61°
        11AM
        63°
        12PM
        65°
        1PM
        68°
        2PM
        69°
        3PM
        69°
        4PM
        69°
        5PM
        68°
        6PM
        64°
        6:29PM
        Sunset
        7PM
        60°
        Precipitation
        1%
        Pollen
        None
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.26 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point36°F
        5. Humidity 50%
        6. Rainfall 0.07 in
        7. Snow Depth 0 in
         KSPF Station History
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 64°F 84°F 1992
        4. Low 42°F 36°F 19°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 64°F 84°F
        4. Low 42°F 36°F 19°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 6:31 PM
        3. Civil Twilight 6:26 AM 7:00 PM
        4. Nautical Twilight 5:52 AM 7:34PM
        5. Astronomical Twilight 5:18 AM 8:08 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 36m
        3. Tomorrow will be 3 minutes 2 seconds shorter
        1. Moon 11:43 PM 3:04 PM
        2. Last Quarter42% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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