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      Heat Advisory
      until 7:00 PM CDT
      Elev 400 ft, 37.980 °N 89.438 °W

      Pinckneyville, IL

      Pinckneyville Station88°
      Updated: 9:58 AM CDT on September 17, 2026 (GMT -5)
      3 minutes ago
      98°
      73°
      88
      Feels Like 93
      Sunny
      N
      8
      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
        Fri 09/18
        High 98°f
         15% Precip. / 0 in
        Sunshine and a few clouds. Slight chance of a rain shower. High 98F. Winds WSW at 5 to 10 mph.
        Tonight
        Fri 09/18
        Low 72°f
         24% Precip. / 0 in
        A stray shower or thunderstorm is possible early. Partly cloudy. Low 72F. Winds light and variable.
        Tomorrow
        Sat 09/19
        High 97°f71°f
         6% Precip. / 0 in
        Sunshine and clouds mixed. Hot. High 97F. Winds light and variable.
        Hourly Forecast
        Now
        88°
        10AM
        88°
        11AM
        92°
        12PM
        94°
        1PM
        96°
        2PM
        97°
        3PM
        97°
        4PM
        97°
        5PM
        96°
        6PM
        93°
        7PM
        89°
        7:02PM
        Sunset
        8PM
        84°
        9PM
        82°
        10PM
        80°
        11PM
        79°
        12AM
        78°
        1AM
        77°
        2AM
        76°
        3AM
        75°
        4AM
        75°
        5AM
        74°
        6AM
        74°
        6:42AM
        Sunrise
        7AM
        73°
        8AM
        76°
        9AM
        82°
        Precipitation
        24%
        Pollen
        Ragweed Pollen
        Very High
        Air Quality
        56
        Moderate
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.23 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point69°F
        5. Humidity 55%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPJY Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 80°F 100°F 1931
        4. Low 73°F 56°F 38°F 1937
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 79°F 100°F
        4. Low 73°F 56°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:41 AM 7:02 PM
        3. Civil Twilight 6:14 AM 7:28 PM
        4. Nautical Twilight 5:44 AM 7:59PM
        5. Astronomical Twilight 5:12 AM 8:31 PM
        1. Length of Visible Light 13h 13m
        2. Length of Day 12h 21m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 1:30 PM 10:35 PM
        2. Waxing Crescent39% 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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