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      Elev 688 ft, 41.591 °S 65.343 °W

      Sierra Grande, AR

      Aeródromo Sierra Grande - Río Negro Station51°
      Updated: 1:20 PM GMT-03:00 on September 4, 2026 (GMT -3)
      7 minutes ago
      52°
      35°
      51
      Feels Like 46
      Rain Shower
      N
      18
      Gusts 28 mph
      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
        Fri 09/04
        High 52°f
         78% Precip. / 0.04 in
        Windy with light rain likely. High 52F. Winds SSW at 20 to 30 mph. Chance of rain 80%.
        Tonight
        Fri 09/04
        Low 33°f
         36% Precip. / 0.01 in
        Windy with a few rain or snow showers developing after midnight. Low 33F. Winds SSW at 20 to 30 mph. Chance of precip 40%.
        Tomorrow
        Sat 09/05
        High 45°f25°f
         24% Precip. / 0 in
        Cloudy. Gusty winds in the morning. High around 45F. Winds S at 20 to 30 mph.
        Hourly Forecast
        Now
        51°
        2PM
        67%
        52°
        3PM
        63%
        51°
        4PM
        60%
        50°
        5PM
        49°
        6PM
        48°
        7PM
        44°
        7:00PM
        Sunset
        8PM
        42°
        9PM
        39°
        10PM
        38°
        11PM
        37°
        12AM
        36°
        1AM
        35°
        2AM
        35°
        3AM
        37%
        35°
        4AM
        35°
        5AM
        33%
        35°
        6AM
        35°
        7AM
        34°
        7:39AM
        Sunrise
        8AM
        35°
        9AM
        36°
        10AM
        38°
        11AM
        40°
        12PM
        42°
        1PM
        42°
        Precipitation
        67%
        Rain continuing through 4 PM
        Pollen
        Tree Pollen
        Moderate
        Air Quality
        20
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.05 in
        2. Visibility 7 miles
        3. Clouds Partly Cloudy
        4. Dew Point31°F
        5. Humidity 46%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         SAVN Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 52°F -°F -°F
        4. Low 35°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.05 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 45°F -°F -°F
        4. Low 35°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:41 AM 7:00 PM
        3. Civil Twilight 7:13 AM 7:27 PM
        4. Nautical Twilight 6:41 AM 8:00PM
        5. Astronomical Twilight 6:09 AM 8:32 PM
        1. Length of Visible Light 12h 14m
        2. Length of Day 11h 18m
        3. Tomorrow will be 2 minutes 41 seconds longer
        1. Moon 2:50 AM 11:29 AM
        2. Last Quarter51% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 11
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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