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      Elev 499 ft, 41.354 °N 88.843 °W

      Ottawa, IL

      Ottawa Station69°
      Updated: 2:05 AM CDT on September 15, 2026 (GMT -5)
      4 minutes ago
      75°
      49°
      69
      Feels Like 69
      Fair
      N
      13
      Gusts 26 mph
      Higher 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
        Tonight
        Tue 09/15
        Low 68°f
         8% Precip. / 0 in
        Some clouds. Low 68F. Winds S at 10 to 20 mph.
        Tomorrow
        Wed 09/16
        High 87°f
         48% Precip. / 0.41 in
        Scattered showers and thunderstorms. Storms may contain strong gusty winds. High 87F. Winds WSW at 5 to 10 mph. Chance of rain 50%.
        Tomorrow night
        Wed 09/16
        Low 65°f
         80% Precip. / 0.9 in
        Thunderstorms likely. Potential for heavy rainfall. Low around 65F. Winds NNE at 5 to 10 mph. Chance of rain 80%. Rainfall near an inch.
        Hourly Forecast
        Now
        69°
        3AM
        70°
        4AM
        70°
        5AM
        70°
        6AM
        70°
        6:36AM
        Sunrise
        7AM
        71°
        8AM
        39%
        72°
        9AM
        50%
        75°
        10AM
        33%
        77°
        11AM
        81°
        12PM
        83°
        1PM
        84°
        2PM
        85°
        3PM
        85°
        4PM
        85°
        5PM
        36%
        84°
        6PM
        42%
        81°
        7PM
        52%
        78°
        7:04PM
        Sunset
        8PM
        65%
        75°
        9PM
        81%
        73°
        10PM
        64%
        72°
        11PM
        70%
        71°
        12AM
        69%
        70°
        1AM
        66%
        70°
        2AM
        80%
        69°
        Precipitation
        81%
        Thunderstorms possible after 8 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        35
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point56°F
        5. Humidity 63%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KVYS Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 77°F 100°F 1939
        4. Low 49°F 55°F 35°F 1923
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 86°F 77°F 96°F
        4. Low 49°F 54°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:35 AM 7:04 PM
        3. Civil Twilight 6:08 AM 7:32 PM
        4. Nautical Twilight 5:35 AM 8:04PM
        5. Astronomical Twilight 5:01 AM 8:38 PM
        1. Length of Visible Light 13h 24m
        2. Length of Day 12h 28m
        3. Tomorrow will be 2 minutes 43 seconds shorter
        1. Moon 11:35 AM 8:59 PM
        2. Waxing Crescent21% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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