My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 69 ft, 26.132 °N 97.942 °W

      Mercedes, TX

      Mercedes Station79°
      Updated: 7:04 AM CDT on September 18, 2026 (GMT -5)
      10 minutes ago
      95°
      79°
      79
      Feels Like 85
      Showers in Vicinity
      N
      2
      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
        Sat 09/19
        High 95°f
         86% Precip. / 0.21 in
        Rain this morning. A slight risk of a thunderstorm for the afternoon. High around 95F. Winds NE at 10 to 20 mph. Chance of rain 90%. Rainfall near a quarter of an inch.
        Tonight
        Sat 09/19
        Low 77°f
         13% Precip. / 0 in
        Partly cloudy skies. Low 77F. Winds E at 10 to 15 mph.
        Tomorrow
        Sun 09/20
        High 97°f76°f
         14% Precip. / 0 in
        Partly cloudy skies. High 97F. Winds E at 10 to 20 mph.
        Hourly Forecast
        Now
        80°
        7:18AM
        Sunrise
        8AM
        35%
        81°
        9AM
        84°
        10AM
        87°
        11AM
        90°
        12PM
        92°
        1PM
        93°
        2PM
        94°
        3PM
        93°
        4PM
        94°
        5PM
        93°
        6PM
        92°
        7PM
        90°
        7:32PM
        Sunset
        8PM
        87°
        9PM
        86°
        10PM
        85°
        11PM
        84°
        12AM
        83°
        1AM
        82°
        2AM
        82°
        3AM
        80°
        4AM
        80°
        5AM
        79°
        6AM
        78°
        7AM
        78°
        Precipitation
        35%
        Rain ending around 9:00 AM
        Pollen
        None
        Air Quality
        32
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.02 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point77°F
        5. Humidity 90%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KTXW Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 91°F 100°F 1987
        4. Low 79°F 73°F 59°F 1981
        5. Rain/Snow Depth
        6. Precipitation 0.21 in - in -
        7. Snow 0 in - in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 91°F 100°F
        4. Low 79°F 72°F 57°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:18 AM 7:32 PM
        3. Civil Twilight 6:55 AM 7:55 PM
        4. Nautical Twilight 6:28 AM 8:22PM
        5. Astronomical Twilight 6:01 AM 8:49 PM
        1. Length of Visible Light 12h 59m
        2. Length of Day 12h 13m
        3. Tomorrow will be 1 minute 31 seconds shorter
        1. Moon 2:20 PM -
        2. First Quarter49% 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
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary