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      Flood Watch
      until 1:00 PM CDT
      +1 more alert
      Elev 633 ft, 41.665 °N 89.940 °W

      Prophetstown, IL

      Prophetstown Station66°
      Updated: 8:13 AM CDT on September 20, 2026 (GMT -5)
      8 minutes ago
      70°
      61°
      66
      Feels Like 66
      Light Rain
      N
      7
      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
        Mon 09/21
        High 67°f
         86% Precip. / 0.02 in
        Thunderstorms this morning, then cloudy skies this afternoon. High 67F. Winds NE at 10 to 20 mph. Chance of rain 90%.
        Tonight
        Mon 09/21
        Low 59°f
         15% Precip. / 0 in
        Overcast. Low 59F. Winds NE at 10 to 20 mph.
        Tomorrow
        Mon 09/21
        High 63°f54°f
         15% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High 63F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        66°
        9AM
        66%
        66°
        10AM
        52%
        66°
        11AM
        66°
        12PM
        67°
        1PM
        67°
        2PM
        66°
        3PM
        66°
        4PM
        65°
        5PM
        65°
        6PM
        65°
        7PM
        64°
        7:00PM
        Sunset
        8PM
        63°
        9PM
        62°
        10PM
        62°
        11PM
        62°
        12AM
        62°
        1AM
        62°
        2AM
        62°
        3AM
        62°
        4AM
        62°
        5AM
        61°
        6AM
        61°
        6:46AM
        Sunrise
        7AM
        60°
        8AM
        61°
        Precipitation
        66%
        Storms continuing through 11 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        19
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point66°F
        5. Humidity 100%
        6. Rainfall 3.39 in
        7. Snow Depth 0 in
         KSQI Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 74°F 94°F 1920
        4. Low 61°F 50°F 29°F 1956
        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 63°F 73°F 93°F
        4. Low 61°F 49°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 7:00 PM
        3. Civil Twilight 6:17 AM 7:27 PM
        4. Nautical Twilight 5:44 AM 8:00PM
        5. Astronomical Twilight 5:11 AM 8:33 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 4:09 PM 12:09 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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