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      Elev 515 ft, 38.131 °N 89.712 °W

      Sparta, IL

      Sparta Station69°
      Updated: 6:22 AM CDT on September 21, 2026 (GMT -5)
      4 minutes ago
      77°
      65°
      69
      Feels Like 69
      Mostly Cloudy
      N
      0
      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 77°f
         36% Precip. / 0 in
        Showers early, then cloudy in the afternoon. High 77F. Winds NNE at 5 to 10 mph. Chance of rain 40%.
        Tonight
        Mon 09/21
        Low 60°f
         10% Precip. / 0 in
        Overcast. Low near 60F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Tue 09/22
        High 72°f57°f
         14% Precip. / 0 in
        Partly cloudy skies during the morning hours will become overcast in the afternoon. High 72F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        69°
        6:46AM
        Sunrise
        7AM
        78%
        69°
        8AM
        70°
        9AM
        70°
        10AM
        72°
        11AM
        74°
        12PM
        75°
        1PM
        76°
        2PM
        77°
        3PM
        77°
        4PM
        76°
        5PM
        76°
        6PM
        75°
        6:57PM
        Sunset
        7PM
        72°
        8PM
        70°
        9PM
        69°
        10PM
        68°
        11PM
        67°
        12AM
        66°
        1AM
        65°
        2AM
        65°
        3AM
        65°
        4AM
        64°
        5AM
        63°
        6AM
        62°
        Precipitation
        78%
        Rain expected around 7:00 AM
        Pollen
        Ragweed Pollen
        High
        Air Quality
        33
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point69°F
        5. Humidity 100%
        6. Rainfall 0.17 in
        7. Snow Depth 0 in
         KSAR Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 79°F 100°F 1955
        4. Low 65°F 53°F 35°F 1927
        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 72°F 79°F 98°F
        4. Low 65°F 53°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 6:57 PM
        3. Civil Twilight 6:19 AM 7:23 PM
        4. Nautical Twilight 5:48 AM 7:54PM
        5. Astronomical Twilight 5:17 AM 8:25 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 11m
        3. Tomorrow will be 2 minutes 26 seconds shorter
        1. Moon 4:30 PM 1:23 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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