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      Elev 486 ft, 38.324 °N 88.914 °W

      Mount Vernon, IL

      Mount Vernon Station68°
      Updated: 11:51 AM CDT on September 22, 2026 (GMT -5)
      7 minutes ago
      76°
      59°
      68
      Feels Like 68
      Cloudy
      N
      10
      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
        Tue 09/22
        High 76°f
         15% Precip. / 0 in
        Generally cloudy. Slight chance of a rain shower. High 76F. Winds NNE at 5 to 10 mph.
        Tonight
        Tue 09/22
        Low 57°f
         9% Precip. / 0 in
        Mostly cloudy skies. Low 57F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 71°f57°f
         7% Precip. / 0 in
        Cloudy skies. High 71F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        65°
        12PM
        66°
        1PM
        69°
        2PM
        71°
        3PM
        74°
        4PM
        75°
        5PM
        75°
        6PM
        73°
        6:52PM
        Sunset
        7PM
        68°
        8PM
        67°
        9PM
        66°
        10PM
        65°
        11PM
        63°
        12AM
        62°
        1AM
        60°
        2AM
        60°
        3AM
        60°
        4AM
        59°
        5AM
        58°
        6AM
        58°
        6:44AM
        Sunrise
        7AM
        58°
        8AM
        60°
        9AM
        64°
        10AM
        66°
        11AM
        67°
        Precipitation
        9%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        20
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point56°F
        5. Humidity 73%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMVN Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 77°F 98°F 1940
        4. Low 59°F 54°F 32°F 1983
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 95°F
        4. Low 59°F 54°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:43 AM 6:52 PM
        3. Civil Twilight 6:17 AM 7:18 PM
        4. Nautical Twilight 5:46 AM 7:49PM
        5. Astronomical Twilight 5:14 AM 8:20 PM
        1. Length of Visible Light 13h 1m
        2. Length of Day 12h 8m
        3. Tomorrow will be 2 minutes 28 seconds shorter
        1. Moon 4:57 PM 2:22 AM
        2. Waxing Gibbous85% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
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