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WYC003
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ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ NWS Forecast for: Basin WY Issued by: National Weather Service Riverton, WY Last Update: 6:48 am MDT Sep 19, 2017 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Today: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 56. North northeast wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 35. Northwest wind 8 to 10 mph becoming east southeast after midnight. Chance of precipitation is 30%. Wednesday: Sunny, with a high near 65. Breezy, with an east southeast wind 8 to 15 mph, with gusts as high as 21 mph. Wednesday Night: Mostly cloudy, with a low around 43. East wind 5 to 10 mph becoming light and variable after midnight. Thursday: A 20 percent chance of showers. Mostly cloudy, with a high near 56. Breezy, with a northwest wind 7 to 15 mph, with gusts as high as 21 mph. Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38. Breezy, with a northwest wind 7 to 15 mph, with gusts as high as 21 mph. Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 49. Breezy, with a west wind 8 to 18 mph, with gusts as high as 28 mph. Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36. Breezy. Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 49. Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 36. Sunday: A chance of rain. Mostly cloudy, with a high near 46. Sunday Night: A chance of rain. Mostly cloudy, with a low around 35. Monday: A slight chance of rain. Partly sunny, with a high near 52. Basin WY 44.36N 108.05W (Elev. 3999 ft) Visit your local NWS office at: http://www.weather.gov/riw XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Hazardous Weather Outlook Hazardous Weather Outlook National Weather Service Riverton WY 238 AM MDT Tue Sep 19 2017 WYZ001>020-022>030-201200- Yellowstone National Park-Absaroka Mountains-Cody Foothills- North Big Horn Basin-Southwest Big Horn Basin- Southeast Big Horn Basin-Owl Creek and Bridger Mountains- Bighorn Mountains West-Bighorn Mountains Southeast- Northeast Johnson County-Southeast Johnson County- Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Wind River Mountains East- Upper Wind River Basin-Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin-South Lincoln County- Rock Springs and Green River-Flaming Gorge-East Sweetwater County- 238 AM MDT Tue Sep 19 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 PM MDT TUESDAY FOR THE NORTHERN AND WESTERN MOUNTAINS... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight A cold wet pacific low pressure trough will bring snowfall to the western and northern mountains of wyoming through this evening. An isolated afternoon thunderstorm is not out of the question. The heavier snowfall is expected above 8500 feet where 4 to 10 inches of snow can be expected through 9 pm mdt this evening. Snowfall from 7500 to 8500 feet is expected to be from 2 to 5 inches. Additionally, west to southwest winds of 20 to 30 mph with gusts to 45 mph will be possible. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Wednesday...Unsettled with a good chance of some mountain snowfall at times with possible snow down to the valley and basin floor out west. Windy to very windy across most of the forecast area with gusts as high as 45 mph over the lower elevations...55 or more mph across the higher ridges and passes in the central and northern mountains. Thursday...Significant mountain snowfall possible over the northwestern mountains. Friday night through Sunday night...Widespread mountain snowfall and valley rain at times especially along and east of the Divide. Snow could lower to valley floors at a few locations east of the Divide. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report snowfall amounts. Thank you! $$

Record high temperature 124.7°F Record low temperature -29.9°F Record high gust 94 mph Record high average 69.5 mph Record daily rain 1.57 in. Record low windchill -50.6°F Record high barometer 33.428 in. Record low barometer 25.160 in.
Daily high pressure 29.751 in. Daily low pressure 29.545 in. Daily low windchill 43.2°F Daily high heat index 63.5°F Daily high gust speed 13.4 mph NNW Daily high average speed 15.4 mph ENE
CURRENT WEATHER AT BASIN, WYOMING 82410
LAST READING AT TIME: 9:30 PM DATE: September 19 2017, time of next update: 9:40 pm
Current WeatherNight time/Dry Current Temperature 45.9°F (7.7°C), Apparent temp 44.0°F
Maximum Temperature (since midnight)63.5°F at: 12:00 AM Minimum Temperature (since midnight)45.9°F at: 9:27 PM
Average windspeed (ten minute)0.0 mph Wind Direction (ten minute)W (270°)
Windchill Temperature 45.9°F Maximum Gust (last hour) 5 mph at: 8:30 PM
Maximum Gust (since midnight)13 mph at: 1:14 PM Maximum 1 minute average (since midnight)15.4 mph at: 10:00 AM
Rainfall (last hour)0.000 in. (0.0 mm) Rainfall (since midnight)0.157 in. (4.0 mm) at 1:54 AM
Rainfall This month 1.46 in. (37.0 mm) Rainfall To date this year 4.803 in. (122.0 mm)
Maximum rain per minute (last hour)0.000 in/min Maximum rain per hour (last 6 hours)0.000 in/hour
Yesterdays rainfall 0.000 in DewPoint 35.1°F (Wet Bulb :41.5°F )
Humidity 66 %, Humidex 42.8°F Barometer corrected to msl29.751 in. (1007.5 hPa)
Pressure change 0.00 in. (last hour) Trend (last hour)STEADY
Pressure change (last 12 hours)+0.13 in Pressure change (last 6 hours)+0.09 in
Current Indoor Temp. 74.3°F
Current Indoor hum. 29%


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Weather report/Warning/Metars

SOUTH BIG HORN COUNTY AIRPORT , WY, United States (KGEY) 44-31N 108-05W 1191M
Sep 19, 2017 - 10:53 PM EDT / 2017.09.20 0253 UTC
Wind: from the SW (220 degrees) at 6 MPH (5 KT):0
Visibility: 10 mile(s):0
Sky conditions: mostly cloudy
Weather: Lightning observed
Precipitation last hour: A trace
Temperature: 48.0 F (8.9 C)
Dew Point: 37.0 F (2.8 C)
Relative Humidity: 65%
Pressure (altimeter): 29.77 in. Hg (1008 hPa)
Pressure tendency: 0.05 inches (1.6 hPa) higher than three hours ago
ob: KGEY 200253Z AUTO 22005KT 10SM FEW080 BKN100 09/03 A2977 RMK AO2 LTG DSNT E RAB0158E12 SLP080 P0000 60000 T00890028 51016
cycle: 3
Amundsen-Scott South Pole Station, Antarctica (NZSP) 90-00S 00-00E 2835M
Sep 19, 2017 - 07:50 PM EDT / 2017.09.19 2350 UTC
Wind: from the ESE (110 degrees) at 7 MPH (6 KT):0
Visibility: less than 1 mile:0
Sky conditions: partly cloudy
Weather: ice crystals; mist
Temperature: -81 F (-63 C)
Windchill: -110 F (-79 C):2
Pressure (altimeter): 27.9 in. Hg (944 hPa)
ob: NZSP 192350Z 11006KT 1200 IC BR FEW030 SCT100 M63/ A2790 RMK CLN AIR 11006KT ALL WNDS GRID 
cycle: 0
Alert Airport, Canada (CYLT) 82-31N 062-17W
Sep 19, 2017 - 10:00 PM EDT / 2017.09.20 0200 UTC
Wind: from the SW (220 degrees) at 5 MPH (4 KT):0
Visibility: 15 mile(s):0
Sky conditions: mostly clear
Temperature: 10 F (-12 C)
Windchill: 1 F (-17 C):1
Dew Point: 3 F (-16 C)
Relative Humidity: 72%
Pressure (altimeter): 30.31 in. Hg (1026 hPa)
ob: CYLT 200200Z 22004KT 15SM FEW120 M12/M16 A3031 RMK AC2 SLP269
cycle: 2



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Created by "Weather Display" software version 10.37P at this start time/date 6:25:14 PM 11/24/2011
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