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      Flood Watch
      until 11:00 PM MST
      Elev 1496 ft, 33.240 °N 111.552 °W

      San Tan Valley, AZ

      Pecan Creek Station99°
      Updated: 3:42 PM MST on September 15, 2026 (GMT -7)
      8 minutes ago
      100°
      76°
      99
      Feels Like 111
      Partly Cloudy
      N
      11
      Gusts 17 mph
      Lower 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
        Wed 09/16
        Low 77°f
         37% Precip. / 0.03 in
        Scattered thunderstorms, especially late. Low 77F. Winds SSE at 10 to 15 mph. Chance of rain 40%.
        Tomorrow
        Thu 09/17
        High 83°f
         72% Precip. / 0.26 in
        Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. High 83F. Winds NE at 10 to 15 mph. Chance of rain 70%. Locally heavy rainfall possible.
        Tomorrow night
        Thu 09/17
        Low 75°f
         68% Precip. / 0.29 in
        Thunderstorms during the evening, then cloudy skies overnight. Low around 75F. Winds ESE at 5 to 10 mph. Chance of rain 70%. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        99°
        4PM
        99°
        5PM
        98°
        6PM
        96°
        6:32PM
        Sunset
        7PM
        93°
        8PM
        91°
        9PM
        89°
        10PM
        88°
        11PM
        34%
        86°
        12AM
        84°
        1AM
        84°
        2AM
        82°
        3AM
        82°
        4AM
        81°
        5AM
        81°
        6AM
        38%
        80°
        6:10AM
        Sunrise
        7AM
        31%
        78°
        8AM
        40%
        79°
        9AM
        43%
        81°
        10AM
        81°
        11AM
        44%
        81°
        12PM
        81°
        1PM
        81°
        2PM
        81°
        3PM
        82°
        Precipitation
        44%
        Pollen
        None
        Air Quality
        31
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 29.77 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point60°F
        5. Humidity 28%
        6. Rainfall 0.49 in
        7. Snow Depth 0 in
         KIWA Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 100°F 98°F 106°F 2000
        4. Low 76°F 72°F 57°F 1994
        5. Rain/Snow Depth
        6. Precipitation 0.03 in - in -
        7. Snow 0 in - in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 98°F 107°F
        4. Low 76°F 72°F 58°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:09 AM 6:32 PM
        3. Civil Twilight 5:44 AM 6:57 PM
        4. Nautical Twilight 5:15 AM 7:26PM
        5. Astronomical Twilight 4:46 AM 7:55 PM
        1. Length of Visible Light 13h 12m
        2. Length of Day 12h 22m
        3. Tomorrow will be 2 minutes 1 second shorter
        1. Moon 10:47 AM 8:57 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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