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      Heat Advisory
      until 7:00 PM CDT
      Elev 554 ft, 39.024 °N 88.570 °W

      Watson, IL

      Watson, IL--Olive Street Station100°
      Updated: 3:55 PM CDT on September 16, 2026 (GMT -5)
      6 minutes ago
      96°
      73°
      100
      Feels Like 116
      Fair
      N
      7
      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
        Thu 09/17
        Low 72°f
         58% Precip. / 0.01 in
        Partly to mostly cloudy skies with scattered thunderstorms during the evening. Storms may contain strong gusty winds. Low 72F. Winds S at 5 to 10 mph. Chance of rain 60%.
        Tomorrow
        Thu 09/17
        High 97°f
         21% Precip. / 0 in
        Partly cloudy. Slight chance of a rain shower. High 97F. Winds WSW at 5 to 10 mph.
        Tomorrow night
        Thu 09/17
        Low 71°f
         15% Precip. / 0 in
        A stray shower or thunderstorm is possible early. Partly cloudy. Low 71F. Winds light and variable.
        Hourly Forecast
        Now
        93°
        4PM
        93°
        5PM
        92°
        6PM
        43%
        89°
        7PM
        58%
        84°
        7:00PM
        Sunset
        8PM
        40%
        81°
        9PM
        79°
        10PM
        78°
        11PM
        77°
        12AM
        76°
        1AM
        76°
        2AM
        76°
        3AM
        75°
        4AM
        75°
        5AM
        75°
        6AM
        74°
        6:37AM
        Sunrise
        7AM
        73°
        8AM
        77°
        9AM
        81°
        10AM
        86°
        11AM
        90°
        12PM
        92°
        1PM
        94°
        2PM
        95°
        3PM
        95°
        Precipitation
        58%
        Thunderstorms possible after 6 PM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        57
        Moderate
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.17 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point72°F
        5. Humidity 50%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         K1H2 Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 96°F 80°F 98°F 1954
        4. Low 73°F 55°F 26°F 1916
        5. Rain/Snow Depth
        6. Precipitation 0.01 in 0.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 79°F 97°F
        4. Low 73°F 54°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:36 AM 7:00 PM
        3. Civil Twilight 6:09 AM 7:27 PM
        4. Nautical Twilight 5:38 AM 7:58PM
        5. Astronomical Twilight 5:06 AM 8:30 PM
        1. Length of Visible Light 13h 17m
        2. Length of Day 12h 24m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 12:30 PM 9:43 PM
        2. Waxing Crescent30% 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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