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      Elev 771 ft, 40.721 °N 89.273 °W

      Eureka, IL

      Eureka Illinois Station72°
      Updated: 8:15 AM CDT on October 1, 2026 (GMT -5)
      6 minutes ago
      74°
      60°
      72
      Feels Like 72
      Partly Cloudy
      N
      6
      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
         99% Precip. / 0.62 in
        Periods of rain. High 74F. Winds WSW at 10 to 15 mph. Chance of rain 100%. Rainfall around a half an inch. Locally heavy rainfall possible.
        Tonight
        Thu 10/01
        Low 54°f
         89% Precip. / 0.58 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 67°f43°f
         4% Precip. / 0 in
        Partly cloudy skies. High 67F. Winds NNE at 10 to 15 mph.
        Hourly Forecast
        Now
        71°
        9AM
        53%
        72°
        10AM
        84%
        73°
        11AM
        87%
        74°
        12PM
        100%
        74°
        1PM
        99%
        73°
        2PM
        67%
        72°
        3PM
        40%
        72°
        4PM
        71%
        71°
        5PM
        77%
        71°
        6PM
        87%
        70°
        6:39PM
        Sunset
        7PM
        79%
        68°
        8PM
        80%
        66°
        9PM
        81%
        64°
        10PM
        90%
        63°
        11PM
        90%
        62°
        12AM
        85%
        62°
        1AM
        71%
        61°
        2AM
        49%
        60°
        3AM
        45%
        59°
        4AM
        44%
        58°
        5AM
        31%
        57°
        6AM
        56°
        6:54AM
        Sunrise
        7AM
        55°
        8AM
        55°
        Precipitation
        100%
        Rain expected around 9:30 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        66
        Moderate
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.83 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point63°F
        5. Humidity 76%
        6. Rainfall 0.37 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 1.2 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 47°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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