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      Elev 886 ft, 45.779 °N 92.681 °W

      Grantsburg, WI

      Updated: 8:15 AM CDT on September 22, 2026 (GMT -5)
      1 minute ago
      65°
      37°
      41
      Feels Like 41
      Sunny
      N
      3
      Similar 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
        Wed 09/23
        High 65°f
        2% Precip. / 0 in
        Abundant sunshine. High around 65F. Winds E at 5 to 10 mph.
        Tonight
        Wed 09/23
        Low 41°f
        7% Precip. / 0 in
        A clear sky. Low 41F. Winds light and variable.
        Tomorrow
        Thu 09/24
        High 67°f51°f
        7% Precip. / 0 in
        Sunny skies. High 67F. Winds SE at 5 to 10 mph.
        Hourly Forecast
        Now
        42°
        9AM
        46°
        10AM
        50°
        11AM
        54°
        12PM
        59°
        1PM
        61°
        2PM
        63°
        3PM
        64°
        4PM
        64°
        5PM
        63°
        6PM
        62°
        7PM
        58°
        7:07PM
        Sunset
        8PM
        55°
        9PM
        52°
        10PM
        50°
        11PM
        48°
        12AM
        48°
        1AM
        47°
        2AM
        45°
        3AM
        44°
        4AM
        43°
        5AM
        43°
        6AM
        42°
        6:59AM
        Sunrise
        7AM
        42°
        8AM
        45°
        Additional Conditions
        1. Pressure 30.41 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point42°F
        5. Humidity 100%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KGTG Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 70°F 84°F 2017
        4. Low 37°F 45°F 25°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 69°F 91°F
        4. Low 37°F 44°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 7:08 PM
        3. Civil Twilight 6:28 AM 7:37 PM
        4. Nautical Twilight 5:53 AM 8:12PM
        5. Astronomical Twilight 5:17 AM 8:48 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 10m
        3. Tomorrow will be 3 minutes 12 seconds shorter
        1. Moon 5:31 PM 2:15 AM
        2. Waxing Gibbous85% 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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        Weather Alerts
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