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      Extreme Heat Warning
      until 7:00 PM CDT
      Elev 594 ft, 40.492 °N 90.352 °W

      Marietta, IL

      Seville, IL Station75°
      Updated: 1:40 AM CDT on September 4, 2026 (GMT -5)
      3 minutes ago
      98°
      73°
      75
      Feels Like 72
      Clear
      N
      4
      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
        Tonight
        Fri 09/04
        Low 75°f
         2% Precip. / 0 in
        Clear skies. Low around 75F. Winds light and variable.
        Tomorrow
        Sat 09/05
        High 95°f
         7% Precip. / 0 in
        Mostly sunny skies. Hot. High near 95F. Winds SW at 5 to 10 mph.
        Tomorrow night
        Sat 09/05
        Low 73°f
         10% Precip. / 0 in
        Partly cloudy. Low 73F. Winds light and variable.
        Hourly Forecast
        Now
        78°
        2AM
        78°
        3AM
        78°
        4AM
        78°
        5AM
        77°
        6AM
        76°
        6:31AM
        Sunrise
        7AM
        76°
        8AM
        79°
        9AM
        83°
        10AM
        86°
        11AM
        89°
        12PM
        92°
        1PM
        93°
        2PM
        93°
        3PM
        94°
        4PM
        94°
        5PM
        94°
        6PM
        93°
        7PM
        89°
        7:28PM
        Sunset
        8PM
        85°
        9PM
        82°
        10PM
        80°
        11PM
        79°
        12AM
        78°
        1AM
        77°
        Precipitation
        8%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        46
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point72°F
        5. Humidity 81%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCTK Station History
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 84°F 93°F 1999
        4. Low 73°F 59°F 43°F 1997
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 94°F 84°F 95°F
        4. Low 73°F 58°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 7:28 PM
        3. Civil Twilight 6:03 AM 7:56 PM
        4. Nautical Twilight 5:30 AM 8:29PM
        5. Astronomical Twilight 4:56 AM 9:03 PM
        1. Length of Visible Light 13h 52m
        2. Length of Day 12h 56m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 11:50 PM 3:02 PM
        2. Last Quarter40% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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