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      Elev 1529 ft, 43.505 °N 96.830 °W

      Sioux Falls, SD

      Sioux Falls Station71°
      Updated: 3:05 PM CDT on September 15, 2026 (GMT -5)
      58 seconds ago
      72°
      54°
      71
      Feels Like 71
      Fair
      N
      8
      Same 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
        Today
        Wed 09/16
        High 72°f
         1% Precip. / 0 in
        Plenty of sunshine. High 72F. Winds NNW at 5 to 10 mph.
        Tonight
        Wed 09/16
        Low 50°f
         7% Precip. / 0 in
        Clear to partly cloudy. Low around 50F. Winds light and variable.
        Tomorrow
        Thu 09/17
        High 71°f60°f
         15% Precip. / 0 in
        Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. Slight chance of a rain shower. High 71F. Winds SE at 10 to 20 mph.
        Hourly Forecast
        Now
        71°
        4PM
        71°
        5PM
        71°
        6PM
        71°
        7PM
        68°
        7:37PM
        Sunset
        8PM
        63°
        9PM
        61°
        10PM
        58°
        11PM
        57°
        12AM
        56°
        1AM
        55°
        2AM
        53°
        3AM
        53°
        4AM
        52°
        5AM
        52°
        6AM
        52°
        7AM
        51°
        7:07AM
        Sunrise
        8AM
        53°
        9AM
        57°
        10AM
        62°
        11AM
        65°
        12PM
        67°
        1PM
        69°
        2PM
        70°
        3PM
        69°
        Precipitation
        15%
        Pollen
        None
        Air Quality
        25
        Good
        UV Index
        4
        Moderate
        Additional Conditions
        1. Pressure 30.12 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point47°F
        5. Humidity 42%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KFSD Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 76°F 99°F 1955
        4. Low 54°F 52°F 28°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 96°F
        4. Low 54°F 52°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:06 AM 7:37 PM
        3. Civil Twilight 6:38 AM 8:05 PM
        4. Nautical Twilight 6:04 AM 8:39PM
        5. Astronomical Twilight 5:29 AM 9:14 PM
        1. Length of Visible Light 13h 27m
        2. Length of Day 12h 30m
        3. Tomorrow will be 2 minutes 57 seconds shorter
        1. Moon 12:16 PM 9:24 PM
        2. Waxing Crescent21% 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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