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      Elev 771 ft, 40.721 °N 89.273 °W

      Eureka, IL

      Updated: 9:19 AM CDT on October 1, 2026 (GMT -5)
      1 minute ago
      74°
      60°
      75
      Feels Like 75
      Mostly Cloudy
      N
      9
      Gusts 17 mph
      Higher temperature is expected today
      Wundermap
      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
        Thu 10/01
        High 74°f
        100% Precip. / 0.26 in
        Rain showers early will evolve into a more steady rain for the afternoon. High 74F. Winds WSW at 10 to 15 mph. Chance of rain 100%. Rainfall near a quarter of an inch. Locally heavy rainfall possible.
        Tonight
        Thu 10/01
        Low 54°f
        91% Precip. / 0.65 in
        Rain early...then remaining cloudy with showers overnight. Low 54F. Winds N at 10 to 15 mph. Chance of rain 90%. Rainfall near a half an inch. Locally heavy rainfall possible.
        Tomorrow
        Fri 10/02
        High 68°f43°f
        4% Precip. / 0 in
        Partly cloudy skies. High 68F. Winds NNE at 10 to 15 mph.
        Hourly Forecast
        Now
        73°
        10AM
        62%
        74°
        11AM
        74°
        12PM
        61%
        74°
        1PM
        100%
        74°
        2PM
        73%
        73°
        3PM
        49%
        72°
        4PM
        62%
        71°
        5PM
        77%
        71°
        6PM
        86%
        71°
        6:39PM
        Sunset
        7PM
        75%
        68°
        8PM
        81%
        66°
        9PM
        80%
        65°
        10PM
        90%
        63°
        11PM
        91%
        62°
        12AM
        87%
        62°
        1AM
        62%
        61°
        2AM
        50%
        60°
        3AM
        45%
        59°
        4AM
        45%
        58°
        5AM
        32%
        57°
        6AM
        56°
        6:54AM
        Sunrise
        7AM
        55°
        8AM
        56°
        9AM
        57°
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point64°F
        5. Humidity 73%
        6. Rainfall 0.3 in
        7. Snow Depth 0 in
        KPIA Station History
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 73°F 91°F 2021
        4. Low 60°F 48°F 27°F 1984
        5. Rain/Snow Depth
        6. Precipitation 0.91 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 73°F 91°F
        4. Low 48°F 47°F 24°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 6:38 PM
        3. Civil Twilight 6:26 AM 7:06 PM
        4. Nautical Twilight 5:54 AM 7:37PM
        5. Astronomical Twilight 5:22 AM 8:09 PM
        1. Length of Visible Light 12h 39m
        2. Length of Day 11h 45m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 9:40 PM 12:50 PM
        2. Waning Gibbous66% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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