• Today

    Sep 4

    19°Lo 12°

    Cooler; a strong p.m. t-storm

    At Risk weather for arthritis pain
    • Rain
      13 mm
    • Hours of Precip
      1
    • UV
      2 - Low
    more
  • Sat

    Sep 5

    17°Lo 13°

    Cloudy with a bit of rain

    Neutral weather for arthritis pain
    • Rain
      22 mm
    • Hours of Precip
      10
    • UV
      2 - Low
  • Sun

    Sep 6

    18°Lo 5°

    Variable clouds, a t-storm

    At Extreme Risk weather for arthritis pain
    • Rain
      12 mm
    • Hours of Precip
      2.5
    • UV
      2 - Low
    more
  • Mon

    Sep 7

    12°Lo 4°

    Very windy; a little rain

    At High Risk weather for arthritis pain
    • Rain
      4 mm
    • Hours of Precip
      2
    • UV
      2 - Low
    more
  • Tue

    Sep 8

    11°Lo 3°

    Windy in the morning

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Rain
Rain
Cloudy
Temp (°C) 13° 13° 13° 14° 15° 15° 16° 16°
RealFeel® 11° 11° 11° 12° 13° 12° 12° 15°
Humidity 70% 73% 75% 74% 73% 72% 72% 74%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
5%
 
8%
 
23%
 
23%
 
28%
 
52%
 
56%
 
48%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (km/h) 17 NNE 15 NNE 17 NNE 18 NNE 20 NNE 20 NNE 20 NNE 20 NNE
UV Index 0 0 0 1 1 1 1 2
Cloud Cover 89% 91% 94% 97% 100% 99% 99% 99%
Dew Point 10° 10° 10° 11° 11°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 17° 20° N/A 21°
Low 13° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:01 AM with 13:15 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:08 PM with 1:14 of moolight, then sets at 3:23 PM

Rapid City Weather Report

Ignacio May Unleash Stormy Conditions in Alaska, British Columbia

September 4, 2015; 9:42 AM ET

Steering winds could take Ignacio, as a remnant storm, into the southeastern arm of Alaska or British Columbia during the middle days of next week. more >