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      River Flood Warning
      until 1:00 AM CDT
      +2 more alerts
      Elev 646 ft, 41.335 °N 89.114 °W

      Peru, IL

      Peru Station68°
      Updated: 11:59 AM CDT on September 20, 2026 (GMT -5)
      6 minutes ago
      71°
      62°
      68
      Feels Like 68
      Light Rain
      N
      5
      Lower 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
        Sun 09/20
        High 70°f
         85% Precip. / 0.02 in
        Thunderstorms likely this morning. Then a chance of scattered thunderstorms this afternoon. High near 70F. Winds NE at 10 to 20 mph. Chance of rain 90%.
        Tonight
        Sun 09/20
        Low 59°f
         24% Precip. / 0 in
        Overcast. Low 59F. Winds ENE at 10 to 20 mph.
        Tomorrow
        Mon 09/21
        High 64°f55°f
         17% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High 64F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        69°
        12PM
        97%
        69°
        1PM
        63%
        68°
        2PM
        68°
        3PM
        68°
        4PM
        68°
        5PM
        67°
        6PM
        66°
        6:56PM
        Sunset
        7PM
        65°
        8PM
        64°
        9PM
        63°
        10PM
        64°
        11PM
        63°
        12AM
        63°
        1AM
        63°
        2AM
        63°
        3AM
        63°
        4AM
        62°
        5AM
        62°
        6AM
        61°
        6:43AM
        Sunrise
        7AM
        60°
        8AM
        61°
        9AM
        62°
        10AM
        62°
        11AM
        62°
        Precipitation
        97%
        Storms continuing through 2 PM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        22
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 4 miles
        3. Clouds Cloudy
        4. Dew Point68°F
        5. Humidity 94%
        6. Rainfall 1.91 in
        7. Snow Depth 0 in
         KVYS Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 91°F 2024
        4. Low 62°F 51°F 32°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.02 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 75°F 93°F
        4. Low 62°F 51°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 6:56 PM
        3. Civil Twilight 6:14 AM 7:24 PM
        4. Nautical Twilight 5:41 AM 7:56PM
        5. Astronomical Twilight 5:08 AM 8:29 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 44 seconds shorter
        1. Moon 4:04 PM 12:07 AM
        2. Waxing Gibbous68% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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