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      Elev 2837 ft, 43.031 °N 100.879 °W

      St. Francis, SD

      Updated: 6:43 PM CDT on September 16, 2026 (GMT -5)
      10 minutes ago
      73°
      49°
      69
      Feels Like 69
      Fair
      N
      10
      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
        Thu 09/17
        Low 53°f
        9% Precip. / 0 in
        Partly cloudy skies early will give way to cloudy skies late. Low 53F. Winds S at 5 to 10 mph.
        Tomorrow
        Fri 09/18
        High 74°f
        43% Precip. / 0.04 in
        Increasing clouds with showers arriving sometime in the afternoon. High 74F. Winds E at 10 to 20 mph. Chance of rain 40%. Locally heavy rainfall possible.
        Tomorrow night
        Fri 09/18
        Low 59°f
        90% Precip. / 0.71 in
        Thunderstorms likely in the evening. Then a chance of scattered thunderstorms later on. Potential for heavy rainfall. Low 59F. Winds SE at 10 to 20 mph. Chance of rain 90%.
        Hourly Forecast
        Now
        72°
        7PM
        72°
        7:51PM
        Sunset
        8PM
        68°
        9PM
        64°
        10PM
        62°
        11PM
        60°
        12AM
        59°
        1AM
        58°
        2AM
        57°
        3AM
        56°
        4AM
        55°
        5AM
        54°
        6AM
        54°
        7AM
        54°
        7:25AM
        Sunrise
        8AM
        55°
        9AM
        59°
        10AM
        63°
        11AM
        66°
        12PM
        68°
        1PM
        70°
        2PM
        72°
        3PM
        72°
        4PM
        72°
        5PM
        44%
        71°
        6PM
        38%
        69°
        Additional Conditions
        1. Pressure 30.03 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point57°F
        5. Humidity 61%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KSUO Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 77°F 97°F 2020
        4. Low 49°F 48°F 32°F 1965
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 77°F 98°F
        4. Low 49°F 47°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:24 AM 7:51 PM
        3. Civil Twilight 6:55 AM 8:20 PM
        4. Nautical Twilight 6:22 AM 8:53PM
        5. Astronomical Twilight 5:47 AM 9:28 PM
        1. Length of Visible Light 13h 24m
        2. Length of Day 12h 27m
        3. Tomorrow will be 2 minutes 54 seconds shorter
        1. Moon 1:38 PM 10:17 PM
        2. Waxing Crescent30% 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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        Weather Alerts
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