Weather Report
Yellowstone National Park, Wyoming
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Current Conditions -  °F | °C
As of 11:10 AM on Thursday 23 May 2013 (Local Time) from KWYS Reporting Station
Scattered Clouds Scattered Clouds   Feels Like: 41°
Wind Chill: 41°   Ceiling: Unl
Heat Index: 41°   Visibility: 10mi
Dew Point: 37°   Wind: 3mph
Humidity: 87%   Direction: 110° (ESE)
Pressure: 29.9"   Gusts: NA
Report Text: KWYS 231710Z AUTO 11003KT 10SM FEW021 SCT100 05/03 A2990 RMK AO2
12 PM
Iso T-Storms
Iso T-Storms 47°
1 PM
Iso T-Storms
Iso T-Storms 50°
2 PM
Sct T-Storms
Sct T-Storms 50°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
may
23
Sct T-Storms
Sct T-Storms
54°
24°
may
24
Sunny
Sunny
54°
25°
may
25
P Cloudy
P Cloudy
58°
29°
may
26
P Cloudy
P Cloudy
57°
30°
may
27
Iso T-Storms
Iso T-Storms
57°
30°
may
28
Iso T-Storms
Iso T-Storms
58°
35°
may
29
Iso T-Storms
Iso T-Storms
53°
33°
may
30
Iso T-Storms
Iso T-Storms
49°
29°
may
31
M Cloudy
M Cloudy
48°
28°
jun
01
Sct Showers
Sct Showers
50°
30°
Details for Thursday, May 23
Scattered thunderstorms. High 54F. Winds S at 5 to 10 mph. Chance of rain 50%.
Evening: Widely scattered showers or a thunderstorm this evening. Then partly cloudy. Low 24F. Winds SSW at 10 to 15 mph. Chance of rain 30%.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 48%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 2%
Snow
Cloud Coverage: 48%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:51 PM
 
Moonrise: 7:25 PM
Moonset: 4:37 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (176°)
Speed: 10Mph(16Km, 9Kts)
Details for Friday, May 24
Sunny skies. High 54F. Winds SW at 10 to 20 mph.
Evening: Clear skies. Low around 25F. Winds S at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 39%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:52 PM
 
Moonrise: 8:37 PM
Moonset: 5:22 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  SW
Direction: SW (217°)
Speed: 14Mph(23Km, 12Kts)
Details for Saturday, May 25
Partly cloudy. Highs in the upper 50s and lows in the upper 20s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 41%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 6%
Snow
Cloud Coverage: 37%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 8:53 PM
 
Moonrise: 9:44 PM
Moonset: 6:15 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSW
Direction: SSW (207°)
Speed: 11Mph(18Km, 9Kts)
Details for Sunday, May 26
Times of sun and clouds. Highs in the upper 50s and lows in the low 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 44%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 6%
Snow
Cloud Coverage: 50%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 8:54 PM
 
Moonrise: 10:44 PM
Moonset: 7:17 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  S
Direction: S (170°)
Speed: 3Mph(5Km, 3Kts)
Details for Monday, May 27
Partly cloudy, chance of a thunderstorm. Highs in the upper 50s and lows in the low 30s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 11%
Snow
Cloud Coverage: 43%
Cloud Coverage
Sunrise: 5:43 AM
Sunset: 8:55 PM
 
Moonrise: 11:34 PM
Moonset: 8:26 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSW
Direction: SSW (195°)
Speed: 6Mph(10Km, 5Kts)
Details for Tuesday, May 28
Partly cloudy, chance of a thunderstorm. Highs in the upper 50s and lows in the mid 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 9%
Snow
Cloud Coverage: 53%
Cloud Coverage
Sunrise: 5:42 AM
Sunset: 8:56 PM
 
Moonrise: 11:59 PM
Moonset: 9:39 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  S
Direction: S (189°)
Speed: 5Mph(8Km, 4Kts)
Details for Wednesday, May 29
Partly cloudy with a stray thunderstorm. Highs in the low 50s and lows in the low 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 10%
Snow
Cloud Coverage: 61%
Cloud Coverage
Sunrise: 5:41 AM
Sunset: 8:57 PM
 
Moonrise: 12:16 AM
Moonset: 10:52 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSW
Direction: SSW (192°)
Speed: 6Mph(10Km, 5Kts)
Details for Thursday, May 30
Isolated thunderstorms. Highs in the upper 40s and lows in the upper 20s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 9%
Snow
Cloud Coverage: 79%
Cloud Coverage
Sunrise: 5:41 AM
Sunset: 8:58 PM
 
Moonrise: 12:52 AM
Moonset: 12:03 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  WSW
Direction: WSW (249°)
Speed: 6Mph(10Km, 5Kts)
Details for Friday, May 31
Considerable cloudiness. Highs in the upper 40s and lows in the upper 20s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 10%
Snow
Cloud Coverage: 46%
Cloud Coverage
Sunrise: 5:40 AM
Sunset: 8:59 PM
 
Moonrise: 1:24 AM
Moonset: 1:12 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  W
Direction: W (278°)
Speed: 6Mph(10Km, 5Kts)
Details for Saturday, June 01
Chance of showers. Highs in the low 50s and lows in the low 30s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 30%
Snow
Cloud Coverage: 78%
Cloud Coverage
Sunrise: 5:40 AM
Sunset: 9:00 PM
 
Moonrise: 1:53 AM
Moonset: 2:18 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  ENE
Direction: ENE (57°)
Speed: 4Mph(7Km, 3Kts)
Chart.
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