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Personalized Forecasts

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    • Tonight

      Sep 19

      56° Lo
      A severe late evening t-storm
      • 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
      More
    • Wed

      Sep 20

      73° /53°F
      Sunny and nice
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Thu

      Sep 21

      85° /71°
      Partly sunny; breezy, warmer
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 22

      89° /65°
      A thunderstorm around
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sat

      Sep 23

      74° /60°
      Heavy rain and a thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    73°Hi RealFeel® 79° Precipitation 14%
    Nice with a full day of sunshine
    • Winds from the
    • WNW 8 mph
    • Gusts: 14 mph
    • Max UV Index: 13 (Extreme)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    53°Lo RealFeel® 49° Precipitation 6%
    Clear
    • Winds from the
    • ESE 6 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 Sep 20

    • 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 9/20/2016
    High 73° 72° 92° (1941) 86°
    Low 53° 47° 25° (1918) 54°

    Sunrise/Sunset

    • Sunrise: 7:12 AM
    • Sunset: 7:28 PM
    • Duration: 12:16 hr

    Moonrise/Moonset

    • Moonrise: 7:30 AM
    • Moonset: 8:02 PM
    • Duration: 12:32 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps