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      Heat Advisory
      until 8:00 PM CDT
      Elev 676 ft, 39.478 °N 89.990 °W

      Palmyra, IL

      Modesto Station73°
      Updated: 7:33 AM CDT on September 18, 2026 (GMT -5)
      7 minutes ago
      90°
      72°
      73
      Feels Like 73
      Cloudy
      N
      7
      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 90°f
         15% Precip. / 0 in
        Cloudy skies this morning will become partly cloudy this afternoon. A stray shower or thunderstorm is possible. High near 90F. Winds ENE at 5 to 10 mph.
        Tonight
        Sat 09/19
        Low 72°f
         24% Precip. / 0 in
        A few clouds. Low 72F. Winds SE at 5 to 10 mph.
        Tomorrow
        Sun 09/20
        High 91°f69°f
         11% Precip. / 0 in
        Cloudy skies. Hot. High 91F. Winds SW at 5 to 10 mph.
        Hourly Forecast
        Now
        73°
        8AM
        73°
        9AM
        75°
        10AM
        77°
        11AM
        81°
        12PM
        85°
        1PM
        87°
        2PM
        88°
        3PM
        88°
        4PM
        88°
        5PM
        87°
        6PM
        86°
        7PM
        83°
        7:03PM
        Sunset
        8PM
        34%
        79°
        9PM
        78°
        10PM
        77°
        11PM
        76°
        12AM
        76°
        1AM
        75°
        2AM
        75°
        3AM
        74°
        4AM
        74°
        5AM
        73°
        6AM
        73°
        6:45AM
        Sunrise
        7AM
        73°
        Precipitation
        34%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        46
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.16 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point71°F
        5. Humidity 94%
        6. Rainfall 0.16 in
        7. Snow Depth 0 in
         K3LF Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 79°F 98°F 1925
        4. Low 72°F 54°F 33°F 1901
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 78°F 97°F
        4. Low 72°F 54°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 7:03 PM
        3. Civil Twilight 6:17 AM 7:30 PM
        4. Nautical Twilight 5:45 AM 8:01PM
        5. Astronomical Twilight 5:13 AM 8:33 PM
        1. Length of Visible Light 13h 13m
        2. Length of Day 12h 19m
        3. Tomorrow will be 2 minutes 33 seconds shorter
        1. Moon 2:32 PM 11:22 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
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