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      Extreme Heat Warning
      until 7:00 PM CDT
      Elev 146 ft, 38.648 °N 88.004 °W

      Olney, IL

      Olney Station92°
      Updated: 3:52 AM CDT on September 3, 2026 (GMT -5)
      9 minutes ago
      100°
      72°
      92
      Feels Like 105
      Clear
      N
      1
      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 09/04
        High 100°f
         2% Precip. / 0 in
        A good deal of sunshine. Very hot. High around 100F. Winds SSW at 5 to 10 mph.
        Tonight
        Fri 09/04
        Low 74°f
         5% Precip. / 0 in
        Mostly clear. Low 74F. Winds light and variable.
        Tomorrow
        Sat 09/05
        High 101°f74°f
         5% Precip. / 0 in
        Sunshine and some clouds. Very hot. High 101F. Winds light and variable.
        Hourly Forecast
        Now
        73°
        4AM
        73°
        5AM
        73°
        6AM
        73°
        6:23AM
        Sunrise
        7AM
        75°
        8AM
        81°
        9AM
        86°
        10AM
        90°
        11AM
        94°
        12PM
        96°
        1PM
        98°
        2PM
        99°
        3PM
        99°
        4PM
        99°
        5PM
        98°
        6PM
        96°
        7PM
        93°
        7:18PM
        Sunset
        8PM
        87°
        9PM
        84°
        10PM
        83°
        11PM
        81°
        12AM
        79°
        1AM
        78°
        2AM
        77°
        3AM
        77°
        Precipitation
        4%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        54
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point71°F
        5. Humidity 93%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KOLY Station History
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 100°F 84°F 105°F 1925
        4. Low 72°F 60°F 45°F 1952
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 101°F 84°F 102°F
        4. Low 72°F 60°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:23 AM 7:18 PM
        3. Civil Twilight 5:55 AM 7:45 PM
        4. Nautical Twilight 5:23 AM 8:18PM
        5. Astronomical Twilight 4:50 AM 8:51 PM
        1. Length of Visible Light 13h 49m
        2. Length of Day 12h 55m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 10:51 PM 1:35 PM
        2. Waning Gibbous52% 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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