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      Frost Advisory
      until 8:00 AM CDT
      Elev 187 ft, 41.330 °N 89.133 °W

      Peru, IL

      Illinois Valley Regional Airport-Walter A Duncan Field Station53°
      Updated: 12:51 PM CDT on October 16, 2026 (GMT -5)
      4 minutes ago
      54°
      38°
      53
      Feels Like 49
      Cloudy
      N
      13
      Gusts 20 mph
      Lower temperature is expected today
      Wundermap

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       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
        Fri 10/16
        High 54°f
         10% Precip. / 0 in
        Cloudy skies. High 54F. Winds NNW at 10 to 20 mph.
        Tonight
        Fri 10/16
        Low 32°f
         6% Precip. / 0 in
        Partly cloudy skies. Scattered frost possible. Low 32F. Winds N at 10 to 15 mph.
        Tomorrow
        Sat 10/17
        High 58°f37°f
         6% Precip. / 0 in
        Mainly sunny. High 58F. Winds light and variable.
        Hourly Forecast
        Now
        53°
        1PM
        53°
        2PM
        54°
        3PM
        54°
        4PM
        53°
        5PM
        53°
        6PM
        51°
        6:14PM
        Sunset
        7PM
        49°
        8PM
        47°
        9PM
        46°
        10PM
        44°
        11PM
        42°
        12AM
        41°
        1AM
        39°
        2AM
        38°
        3AM
        37°
        4AM
        35°
        5AM
        34°
        6AM
        33°
        7AM
        33°
        7:10AM
        Sunrise
        8AM
        36°
        9AM
        41°
        10AM
        45°
        11AM
        48°
        12PM
        52°
        Precipitation
        10%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        19
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.13 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point44°F
        5. Humidity 73%
        6. Rainfall 0.94 in
        7. Snow Depth 0 in
         KVYS Station History
        Almanac for October 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 54°F 64°F 83°F 1999
        4. Low 38°F 41°F 26°F 1970
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for October 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 64°F 82°F
        4. Low 32°F 41°F 25°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:09 AM 6:13 PM
        3. Civil Twilight 6:41 AM 6:41 PM
        4. Nautical Twilight 6:09 AM 7:13PM
        5. Astronomical Twilight 5:37 AM 7:45 PM
        1. Length of Visible Light 12h 0m
        2. Length of Day 11h 4m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 1:17 PM 9:56 PM
        2. Waxing Crescent32% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
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