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      Elev 160 ft, 38.536 °N 89.974 °W

      Swansea, IL

      Swansea Station68°
      Updated: 4:03 AM CDT on September 11, 2026 (GMT -5)
      9 seconds ago
      82°
      67°
      68
      Feels Like 68
      Fog
      N
      0
      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
        Sat 09/12
        High 82°f
         16% Precip. / 0 in
        Morning fog, then cloudy this afternoon. High 82F. Winds E at 5 to 10 mph.
        Tonight
        Sat 09/12
        Low 67°f
         18% Precip. / 0 in
        Cloudy early with some clearing expected late. Low 67F. Winds light and variable.
        Tomorrow
        Sun 09/13
        High 90°f67°f
         9% Precip. / 0 in
        Sunshine along with some cloudy intervals. High near 90F. Winds light and variable.
        Hourly Forecast
        Now
        69°
        5AM
        17%
        68°
        6AM
        15%
        68°
        6:38AM
        Sunrise
        7AM
        68°
        8AM
        70°
        9AM
        73°
        10AM
        75°
        11AM
        77°
        12PM
        79°
        1PM
        81°
        2PM
        82°
        3PM
        82°
        4PM
        82°
        5PM
        81°
        6PM
        80°
        7PM
        78°
        7:14PM
        Sunset
        8PM
        76°
        9PM
        74°
        10PM
        73°
        11PM
        72°
        12AM
        71°
        1AM
        71°
        2AM
        70°
        3AM
        69°
        4AM
        69°
        Precipitation
        18%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        27
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 1.5 miles
        3. Clouds Cloudy
        4. Dew Point68°F
        5. Humidity 98%
        6. Rainfall 0.2 in
        7. Snow Depth 0 in
         KBLV Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 85°F 99°F 2013
        4. Low 67°F 59°F 41°F 1970
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 84°F 98°F
        4. Low 67°F 58°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 7:14 PM
        3. Civil Twilight 6:11 AM 7:40 PM
        4. Nautical Twilight 5:39 AM 8:12PM
        5. Astronomical Twilight 5:07 AM 8:44 PM
        1. Length of Visible Light 13h 29m
        2. Length of Day 12h 36m
        3. Tomorrow will be 2 minutes 28 seconds shorter
        1. Moon 7:08 AM 7:23 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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