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      Heat Advisory
      until 6:00 PM CDT
      Elev 361 ft, 26.387 °N 98.859 °W

      Rio Grande City, TX

      Rio Grande City Station83°
      Updated: 5:18 AM CDT on September 12, 2026 (GMT -5)
      27 seconds ago
      107°
      80°
      83
      Feels Like 93
      Clear
      N
      9
      Similar 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
        Sun 09/13
        High 107°f
         2% Precip. / 0 in
        Sunny. Hot. High 107F. Winds SE at 15 to 25 mph.
        Tonight
        Sun 09/13
        Low 81°f
         11% Precip. / 0 in
        Mainly clear. Low 81F. Winds SE at 15 to 25 mph.
        Tomorrow
        Mon 09/14
        High 104°f80°f
         14% Precip. / 0 in
        A few clouds early, otherwise mostly sunny. Hot. High 104F. Winds SE at 15 to 25 mph.
        Hourly Forecast
        Now
        82°
        6AM
        82°
        7AM
        81°
        7:19AM
        Sunrise
        8AM
        82°
        9AM
        85°
        10AM
        89°
        11AM
        93°
        12PM
        97°
        1PM
        100°
        2PM
        102°
        3PM
        104°
        4PM
        105°
        5PM
        104°
        6PM
        102°
        7PM
        99°
        7:42PM
        Sunset
        8PM
        94°
        9PM
        91°
        10PM
        88°
        11PM
        86°
        12AM
        85°
        1AM
        84°
        2AM
        84°
        3AM
        83°
        4AM
        83°
        5AM
        82°
        Precipitation
        11%
        Pollen
        None
        Air Quality
        61
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.79 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point74°F
        5. Humidity 76%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMFE Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 107°F 94°F 106°F 1982
        4. Low 80°F 72°F 61°F 2017
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 104°F 94°F 106°F
        4. Low 80°F 72°F 59°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:19 AM 7:42 PM
        3. Civil Twilight 6:56 AM 8:06 PM
        4. Nautical Twilight 6:29 AM 8:33PM
        5. Astronomical Twilight 6:02 AM 9:00 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 23m
        3. Tomorrow will be 1 minute 31 seconds shorter
        1. Moon 8:45 AM 8:35 PM
        2. Waxing Crescent2% 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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