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      Heat Advisory
      until 7:00 PM CDT
      Elev 620 ft, 42.091 °N 90.129 °W

      Savanna, IL

      Savanna Station95°
      Updated: 4:34 PM CDT on September 2, 2026 (GMT -5)
      7 minutes ago
      97°
      71°
      95
      Feels Like 112
      Sunny
      N
      6
      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 09/03
        Low 75°f
         24% Precip. / 0 in
        A few clouds. A stray shower or thunderstorm is possible. Low around 75F. Winds SSW at 5 to 10 mph.
        Tomorrow
        Fri 09/04
        High 93°f
         15% Precip. / 0 in
        Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High 93F. Winds SSW at 5 to 10 mph.
        Tomorrow night
        Fri 09/04
        Low 73°f
         24% Precip. / 0 in
        Clear skies with a few passing clouds. Low 73F. Winds light and variable.
        Hourly Forecast
        Now
        96°
        5PM
        95°
        6PM
        94°
        7PM
        91°
        7:32PM
        Sunset
        8PM
        86°
        9PM
        83°
        10PM
        82°
        11PM
        81°
        12AM
        80°
        1AM
        79°
        2AM
        78°
        3AM
        78°
        4AM
        77°
        5AM
        76°
        6AM
        76°
        6:28AM
        Sunrise
        7AM
        76°
        8AM
        78°
        9AM
        81°
        10AM
        83°
        11AM
        86°
        12PM
        87°
        1PM
        89°
        2PM
        91°
        3PM
        91°
        4PM
        92°
        Precipitation
        24%
        Pollen
        Grass Pollen
        Low
        Air Quality
        71
        Moderate
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point72°F
        5. Humidity 47%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSFY Station History
        Almanac for September 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 81°F 97°F 2000
        4. Low 71°F 55°F 36°F 1946
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 93°F 81°F 95°F
        4. Low 71°F 54°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:27 AM 7:32 PM
        3. Civil Twilight 5:58 AM 8:00 PM
        4. Nautical Twilight 5:24 AM 8:35PM
        5. Astronomical Twilight 4:48 AM 9:10 PM
        1. Length of Visible Light 14h 2m
        2. Length of Day 13h 5m
        3. Tomorrow will be 2 minutes 44 seconds shorter
        1. Moon 10:01 PM 12:42 PM
        2. Waning Gibbous63% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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