• Tonight

    Jul 31

    Lo 79°

    A thunderstorm in spots

    Bicycling Weather
    • Precip
      40%
    • Hours of Precip
      2
    • Wind
      Gust
      15 mph
  • Sat

    Aug 1

    94°Lo 72°

    A t-storm around in the p.m.

    Good for biking
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      14 mph
    more
  • Sun

    Aug 2

    100°Lo 75°

    Partly sunny

    Very Good for biking
    • Precip
      14%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Mon

    Aug 3

    103°Lo 78°

    Mostly sunny and hot

    Very Good for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Tue

    Aug 4

    105°Lo 78°

    Mostly sunny and hot

    Very Good for biking
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      17 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6pm
7pm 8pm 9pm 10pm 11pm Sat
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Mostly Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
T-storms
Temp (°F) 97° 94° 94° 92° 90° 88° 86° 76°
RealFeel® 96° 89° 91° 89° 87° 86° 84° 74°
Humidity 28% 31% 29% 31% 35% 36% 37% 77%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
47%
 
51%
 
36%
 
30%
 
34%
 
43%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 7 NNE 7 ENE 6 E 6 SE 5 SSE 5 S 5 SSW 4 SSW
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 76% 85% 89% 87% 79% 65% 47% 31%
Dew Point 59° 59° 57° 57° 58° 58° 58° 68°
Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 102° 104° 115° (1978) 109°
Low 79° 81° 65° (1940) 83°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 13:59 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:55 PM with 11:18 of moolight, then sets at 7:13 AM

Boulder City Weather Report

Heavy Rain, Flood Threat Slowly Decreases Across Southwest

July 31, 2015; 7:27 PM ET

The stream of moisture into the Southwest is drying out some, so this weekend may not be as wet as the previous few days. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.