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      Extreme Heat Warning
      until 7:00 PM CDT
      Elev 709 ft, 41.371 °N 89.469 °W

      Princeton, IL

      Princeton Station87°
      Updated: 7:46 PM CDT on September 3, 2026 (GMT -5)
      10 seconds ago
      95°
      73°
      87
      Feels Like 104
      Clear
      N
      4
      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
        Fri 09/04
        Low 74°f
         5% Precip. / 0 in
        Generally clear. Low 74F. Winds light and variable.
        Tomorrow
        Sat 09/05
        High 95°f
         15% Precip. / 0 in
        Except for a few afternoon clouds, mainly sunny. A stray shower or thunderstorm is possible. High near 95F. Winds SW at 5 to 10 mph.
        Tomorrow night
        Sat 09/05
        Low 72°f
         15% Precip. / 0 in
        Partly cloudy skies. A stray shower or thunderstorm is possible. Low 72F. Winds light and variable.
        Hourly Forecast
        Now
        85°
        8PM
        84°
        9PM
        81°
        10PM
        80°
        11PM
        79°
        12AM
        78°
        1AM
        77°
        2AM
        77°
        3AM
        76°
        4AM
        76°
        5AM
        75°
        6AM
        75°
        6:27AM
        Sunrise
        7AM
        75°
        8AM
        78°
        9AM
        82°
        10AM
        85°
        11AM
        88°
        12PM
        90°
        1PM
        92°
        2PM
        93°
        3PM
        93°
        4PM
        93°
        5PM
        92°
        6PM
        91°
        7PM
        86°
        Precipitation
        15%
        Pollen
        Grass Pollen
        Low
        Air Quality
        54
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.85 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point76°F
        5. Humidity 75%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KVYS Station History
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 80°F 93°F 2007
        4. Low 73°F 57°F 45°F 1997
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 80°F 94°F
        4. Low 73°F 57°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:27 AM 7:25 PM
        3. Civil Twilight 5:59 AM 7:53 PM
        4. Nautical Twilight 5:25 AM 8:27PM
        5. Astronomical Twilight 4:50 AM 9:02 PM
        1. Length of Visible Light 13h 54m
        2. Length of Day 12h 58m
        3. Tomorrow will be 2 minutes 41 seconds shorter
        1. Moon 11:43 PM 3:02 PM
        2. Last Quarter40% 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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