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    • Tonight

      Dec 16

      Lo F
      Partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      Dec 17

      19° /10°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Dec 18

      31° /27°
      Cloudy with snow showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 19

      42° /30°
      Milder with a bit of snow
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 20

      31° /12°
      A little morning snow; cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    29°Hi RealFeel® 21° Precipitation 62%
    Variable cloudiness with a snow shower in spots
    • Winds from the
    • WSW 9 mph
    • Gusts: 16 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0.0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 0 hrs

    Night

    Lo RealFeel® 12° Precipitation 25%
    Partly cloudy
    • Winds from the
    • NW 4 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Williston Pollen Levels Dec 16

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/16/2016
    High 29° 33° 54° (1982) 16°
    Low 18° -18° (1917) -3°

    Sunrise/Sunset

    • Sunrise: 7:22 AM
    • Sunset: 4:14 PM
    • Duration: 8:52 hr

    Moonrise/Moonset

    • Moonrise: 5:34 AM
    • Moonset: 3:33 PM
    • Duration: 9:59 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps