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      Elev 203 ft, 40.043 °N 87.830 °W

      Fairmount, IL

      Fairmount Station64°
      Updated: 9:12 PM CDT on September 21, 2026 (GMT -5)
      10 minutes ago
      68°
      58°
      64
      Feels Like 64
      Cloudy
      N
      7
      Same 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
        Mon 09/21
        Low 55°f
         7% Precip. / 0 in
        Overcast. Low near 55F. Winds NE at 5 to 10 mph.
        Tomorrow
        Tue 09/22
        High 68°f
         15% Precip. / 0 in
        Overcast. Slight chance of a rain shower. High 68F. Winds NE at 10 to 15 mph.
        Tomorrow night
        Tue 09/22
        Low 56°f
         11% Precip. / 0 in
        Cloudy skies. Low 56F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        64°
        10PM
        63°
        11PM
        61°
        12AM
        60°
        1AM
        59°
        2AM
        58°
        3AM
        57°
        4AM
        57°
        5AM
        57°
        6AM
        56°
        6:39AM
        Sunrise
        7AM
        56°
        8AM
        57°
        9AM
        59°
        10AM
        61°
        11AM
        64°
        12PM
        65°
        1PM
        66°
        2PM
        67°
        3PM
        66°
        4PM
        66°
        5PM
        66°
        6PM
        64°
        6:48PM
        Sunset
        7PM
        62°
        8PM
        60°
        9PM
        60°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        42
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point57°F
        5. Humidity 79%
        6. Rainfall 0.46 in
        7. Snow Depth 0 in
         KDNV Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 77°F 93°F 2017
        4. Low 58°F 53°F 32°F 1918
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 77°F 93°F
        4. Low 58°F 53°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:39 AM 6:48 PM
        3. Civil Twilight 6:11 AM 7:15 PM
        4. Nautical Twilight 5:40 AM 7:46PM
        5. Astronomical Twilight 5:08 AM 8:19 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 9m
        3. Tomorrow will be 2 minutes 38 seconds shorter
        1. Moon 4:57 PM 2:13 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
        Precipitation
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