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      River Flood Warning
      until 3:00 PM CDT
      Elev 200 ft, 41.766 °N 89.695 °W

      Rock Falls, IL

      Whiteside County Airport - Joseph H Bittorf Field Station64°
      Updated: 6:00 PM CDT on September 21, 2026 (GMT -5)
      9 minutes ago
      66°
      56°
      64
      Feels Like 64
      Cloudy
      N
      15
      Gusts 26 mph
      Similar 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
        Mon 09/21
        Low 54°f
         31% Precip. / 0 in
        Cloudy skies with a few showers after midnight. Low 54F. Winds NE at 10 to 20 mph. Chance of rain 30%.
        Tomorrow
        Tue 09/22
        High 62°f
         24% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High 62F. Winds NE at 10 to 15 mph.
        Tomorrow night
        Tue 09/22
        Low 51°f
         7% Precip. / 0 in
        Partly cloudy during the evening followed by cloudy skies overnight. Low 51F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        63°
        6:57PM
        Sunset
        7PM
        61°
        8PM
        60°
        9PM
        59°
        10PM
        58°
        11PM
        57°
        12AM
        57°
        1AM
        57°
        2AM
        57°
        3AM
        57°
        4AM
        57°
        5AM
        56°
        6AM
        31%
        55°
        6:46AM
        Sunrise
        7AM
        55°
        8AM
        56°
        9AM
        56°
        10AM
        38%
        58°
        11AM
        60°
        12PM
        61°
        1PM
        62°
        2PM
        62°
        3PM
        62°
        4PM
        62°
        5PM
        61°
        6PM
        60°
        Precipitation
        38%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        21
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.12 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point54°F
        5. Humidity 73%
        6. Rainfall 0.02 in
        7. Snow Depth 0 in
         KSQI Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 74°F 93°F 2022
        4. Low 56°F 52°F 33°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 73°F 93°F
        4. Low 56°F 51°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 6:57 PM
        3. Civil Twilight 6:17 AM 7:25 PM
        4. Nautical Twilight 5:44 AM 7:57PM
        5. Astronomical Twilight 5:11 AM 8:31 PM
        1. Length of Visible Light 13h 7m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 47 seconds shorter
        1. Moon 4:41 PM 1:10 AM
        2. Waxing Gibbous77% 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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