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      Elev 3507 ft, 44.537 °N 103.896 °W

      Spearfish, SD

      Spearfish Station66°
      Updated: 9:27 AM MDT on September 9, 2026 (GMT -6)
      50 seconds ago
      83°
      52°
      66
      Feels Like 66
      Sunny
      N
      9
      Same 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 83°f
         0% Precip. / 0 in
        Plentiful sunshine. High 83F. Winds NW at 10 to 15 mph.
        Tonight
        Thu 09/10
        Low 53°f
         0% Precip. / 0 in
        Some clouds this evening will give way to mainly clear skies overnight. Low 53F. Winds SSW at 5 to 10 mph.
        Tomorrow
        Fri 09/11
        High 92°f60°f
         0% Precip. / 0 in
        Sunny. Warm. High 92F. Winds WSW at 5 to 10 mph.
        Hourly Forecast
        Now
        65°
        10AM
        68°
        11AM
        72°
        12PM
        74°
        1PM
        77°
        2PM
        79°
        3PM
        80°
        4PM
        81°
        5PM
        80°
        6PM
        79°
        7PM
        74°
        7:17PM
        Sunset
        8PM
        68°
        9PM
        64°
        10PM
        61°
        11PM
        59°
        12AM
        58°
        1AM
        57°
        2AM
        56°
        3AM
        55°
        4AM
        55°
        5AM
        54°
        6AM
        55°
        6:28AM
        Sunrise
        7AM
        57°
        8AM
        65°
        9AM
        74°
        Precipitation
        0%
        Pollen
        Grass Pollen
        Low
        Air Quality
        30
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.18 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point37°F
        5. Humidity 36%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSPF Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 77°F 98°F 1931
        4. Low 52°F 50°F 28°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 92°F 77°F 99°F
        4. Low 52°F 50°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:27 AM 7:17 PM
        3. Civil Twilight 5:58 AM 7:46 PM
        4. Nautical Twilight 5:22 AM 8:21PM
        5. Astronomical Twilight 4:46 AM 8:58 PM
        1. Length of Visible Light 13h 48m
        2. Length of Day 12h 49m
        3. Tomorrow will be 3 minutes 2 seconds shorter
        1. Moon 4:35 AM 6:38 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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