Yellowstone National Park, Wyoming
Current Conditions -  °F | °C
As of 11:50 PM on Wednesday 17 Sep 2014 (Local Time) from KWYS Reporting Station
NA  
Wind Chill:   Ceiling: NA
Heat Index:   Visibility: 10mi
Dew Point:   Wind: 0mph
Humidity: 87%   Direction: NA
Pressure: 30.09"   Gusts: NA
Location:  44.5747°N, 110.518°W
Report Text: KWYS 180550Z AUTO 00000KT 10SM 05/03 A3009 RMK AO2
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 21° - Lo 5°
12 AM
M Clear
M Clear
1 AM
M Clear
M Clear
2 AM
M Clear
M Clear
3 AM
Clear
Clear
4 AM
M Clear
M Clear
5 AM
P Cloudy
P Cloudy
Weather Maps
Daily Forecast -  °F | °C
wed thu fri sat sun mon tue wed thu fri
sep
17
P Cloudy
P Cloudy
21°
sep
18
Iso T-Storms
Iso T-Storms
20°
sep
19
P Cloudy
P Cloudy
18°
sep
20
Sunny
Sunny
21°
sep
21
M Sunny
M Sunny
21°
sep
22
Sct T-Storms
Sct T-Storms
15°
sep
23
Showers
Showers
16°
sep
24
P Cloudy
P Cloudy
17°
sep
25
Rain
Rain
13°
sep
26
M Cloudy
M Cloudy
12°
Details for Wednesday, September 17 (Evening)
Evening: A few clouds. Low 41F. Winds light and variable.
UV Index: 0 (Low)
Ultraviolet Radiation Index
Relative Humidity: 84%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 31%
Cloud Coverage
Sunrise: 7:03 AM
Sunset: 7:28 PM
 
Moonrise: 12:55 AM
Moonset: 3:49 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  SSE
Direction: SSE (150°)
Speed: 4Mph(6Km, 4Kts)
Details for Thursday, September 18
Some clouds and possibly an isolated thunderstorm in the afternoon. High 67F. Winds SSW at 10 to 15 mph. Chance of rain 30%.
Evening: Mostly cloudy with scattered thunderstorms mainly before midnight. Low 42F. Winds light and variable. Chance of rain 40%.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 65%
Cloud Coverage
Sunrise: 7:04 AM
Sunset: 7:26 PM
 
Moonrise: 1:50 AM
Moonset: 4:27 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (204°)
Speed: 10Mph(17Km, 12Kts)
Details for Friday, September 19
Times of sun and clouds. Highs in the mid 60s and lows in the mid 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
Cloud Coverage
Sunrise: 7:05 AM
Sunset: 7:24 PM
 
Moonrise: 2:45 AM
Moonset: 5:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (246°)
Speed: 9Mph(14Km, 10Kts)
Details for Saturday, September 20
Abundant sunshine. Highs in the upper 60s and lows in the mid 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 9%
Cloud Coverage
Sunrise: 7:06 AM
Sunset: 7:22 PM
 
Moonrise: 3:43 AM
Moonset: 5:33 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (254°)
Speed: 4Mph(6Km, 4Kts)
Details for Sunday, September 21
A few clouds. Highs in the low 70s and lows in the upper 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 13%
Cloud Coverage
Sunrise: 7:07 AM
Sunset: 7:21 PM
 
Moonrise: 4:40 AM
Moonset: 6:01 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  E
Direction: E (88°)
Speed: 5Mph(9Km, 6Kts)
Details for Monday, September 22
Scattered thunderstorms. Highs in the upper 50s and lows in the upper 30s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 83%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 77%
Cloud Coverage
Sunrise: 7:09 AM
Sunset: 7:19 PM
 
Moonrise: 5:39 AM
Moonset: 6:29 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  ESE
Direction: ESE (102°)
Speed: 4Mph(7Km, 5Kts)
Details for Tuesday, September 23
Showers. Highs in the low 60s and lows in the upper 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 82%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 7:10 AM
Sunset: 7:17 PM
 
Moonrise: 6:37 AM
Moonset: 6:56 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (238°)
Speed: 7Mph(12Km, 9Kts)
Details for Wednesday, September 24
Mix of sun and clouds. Highs in the low 60s and lows in the upper 30s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 53%
Cloud Coverage
Sunrise: 7:11 AM
Sunset: 7:15 PM
 
Moonrise: 7:37 AM
Moonset: 7:24 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SSW
Direction: SSW (206°)
Speed: 10Mph(16Km, 12Kts)
Details for Thursday, September 25
Rain. Highs in the mid 50s and lows in the low 30s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 4%
Snow
Cloud Coverage: 81%
Cloud Coverage
Sunrise: 7:12 AM
Sunset: 7:13 PM
 
Moonrise: 8:37 AM
Moonset: 7:54 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SW
Direction: SW (223°)
Speed: 11Mph(17Km, 12Kts)
Details for Friday, September 26
More clouds than sun. Highs in the mid 50s and lows in the low 30s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 2%
Snow
Cloud Coverage: 72%
Cloud Coverage
Sunrise: 7:13 AM
Sunset: 7:11 PM
 
Moonrise: 9:39 AM
Moonset: 8:26 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SW
Direction: SW (235°)
Speed: 11Mph(17Km, 12Kts)
Daily Forecast Chart
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