• Tonight

    Sep 18

    Lo 12°

    A shower or t-storm in spots

    Dust & Dander Weather
    • Precip
      35%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      70%
  • Fri

    Sep 19

    20°Lo 10°

    Partly sunny

    Low indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      27%
    more
  • Sat

    Sep 20

    18°Lo 6°

    Some sun, a shower; breezy

    Low indoor dust & dander levels
    • Precip
      43%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      45%
    more
  • Sun

    Sep 21

    20°Lo 8°

    Nice with clouds and sun

    Low indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      46%
    more
  • Mon

    Sep 22

    20°Lo 9°

    Mostly sunny

    Low indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 23° RealFeel® 21° Precipitation 35%

Day

N

E

S

W

  • S 19 km/h
  • Gusts: 58 km/h

Some sun, then turning cloudy and warmer; breezy this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 12° RealFeel® 11° Precipitation 40%

Night

N

E

S

W

  • WSW 8 km/h
  • Gusts: 21 km/h

Partly cloudy and mild with a shower or thunderstorm in the area

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 23° 17° N/A 19°
Low 13° N/A 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 12:27 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:51 AM with 15:09 of moolight, then sets at 5:00 PM

Top Story

Rapid City Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 18, 2014; 9:00 PM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >