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    • Tonight

      Aug 21

      54° Lo F
      Cloudy and humid
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Tue

      Aug 22

      75° /51°
      Mostly sunny and less humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Aug 23

      80° /58°
      Sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Aug 24

      75° /61°
      Some sun; breezy, pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Aug 25

      74° /62°
      A stray afternoon t-storm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    74°Hi RealFeel® 75° Precipitation 70%
    A couple of severe t-storms; storms may bring downpours, large hail, damaging winds, and a tornado
    • Winds from the
    • ESE 8 mph
    • Gusts: 16 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 100%
    • Precipitation: 2.15 in
    • Rain: 2.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4.5 hrs
    • Hours of Rain: 4.5 hrs

    Night

    54°Lo RealFeel® 52° Precipitation 25%
    Humid with considerable cloudiness
    • Winds from the
    • NNW 7 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Sioux Falls Pollen Levels Aug 21

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/21/2016
    High 74° 81° 98° (1968) 80°
    Low 54° 59° 40° (2004) 49°

    Sunrise/Sunset

    • Sunrise: 6:38 AM
    • Sunset: 8:21 PM
    • Duration: 13:43 hr

    Moonrise/Moonset

    • Moonrise: 6:24 AM
    • Moonset: 8:28 PM
    • Duration: 14:04 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps