• Today

    May 19

    79°Lo 59°

    A severe afternoon t-storm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low

  • Mon

    May 20

    73°Lo 55°

    Rain and a thunderstorm

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more

  • Tue

    May 21

    67°Lo 52°

    Cloudy with a thunderstorm

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more

  • Wed

    May 22

    63°Lo 47°

    Rather cloudy

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      11 mph
    • Cloud
      Cover
      88%
    more

  • Thu

    May 23

    62°Lo 44°

    Mostly cloudy

    Extreme indoor dust & dander levels
    • Precip
      22%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      84%
    more
Next Previous
Hi 79° RealFeel® 78° Precipitation 63%

Day

N

E

S

W

  • SSE 12 mph
  • Gusts: 22 mph

A severe afternoon t-storm; storms can bring downpours, large hail, damaging winds, and a tornado

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 100%
  • Precipitation: 0.47 in
  • Rain: 0.47 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 59° RealFeel® 56° Precipitation 66%

Night

N

E

S

W

  • SSE 5 mph
  • Gusts: 11 mph

Rather cloudy with periods of rain and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.34 in
  • Rain: 0.34 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs

Sioux Falls Pollen Levels - May 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - May 19

more Historical Weather Data >
  Today Normal Record 5/19/2012
High 79° 71° 97° (1934) 76°
Low 59° 47° 27° (1894) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:58 AM with 14:51 of sunlight, then sets at 8:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:45 PM with 12:17 of moolight, then sets at 3:02 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps