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NWS Forecast for: Basin WY Issued by: National Weather Service Riverton, WY Last Update: 7:41 am MDT Apr 20, 2014 ==================================================================== Today Sunny, with a high near 69. West wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Tonight Mostly clear, with a low around 39. North wind 5 to 15 mph, with gusts as high as 23 mph. Monday Sunny, with a high near 71. Light and variable wind becoming southeast 5 to 8 mph in the morning. Monday Night Mostly cloudy, with a low around 43. East wind 8 to 11 mph. Tuesday A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. East wind 9 to 16 mph becoming south southeast in the morning. Winds could gust as high as 24 mph. Tuesday Night A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 44. Southeast wind 7 to 11 mph becoming west northwest after midnight. Chance of precipitation is 30%.Wednesday A 20 percent chance of showers. Mostly sunny, with a high near 59. West southwest wind 15 to 18 mph, with gusts as high as 28 mph. Wednesday Night A slight chance of rain and snow showers. Partly cloudy, with a low around 35. Chance of precipitation is 20%.Thursday A 20 percent chance of showers. Mostly sunny, with a high near 59.Thursday Night Partly cloudy, with a low around 36.Friday Mostly sunny, with a high near 67.Friday Night A slight chance of showers. Mostly cloudy, with a low around 39.Saturday A slight chance of showers. Partly sunny, with a high near 64. -------------------------------------------------------------------------------- Point Forecast: Basin WY 44.39N 108.06W (Elev. 3966 ft) Visit your local NWS office at: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Hazardous Weather Outlook HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 500 AM MDT SUN APR 20 2014 WYZ001>020-022>030-211100- ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST- BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS- EAST SWEETWATER COUNTY-FLAMING GORGE- GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS- NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN- NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS- ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES- SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN- SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY- TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN- UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN- WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST- YELLOWSTONE NATIONAL PARK- 500 AM MDT SUN APR 20 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS POSSIBLE SOUTH OF A MARBLETON TO KAYCEE LINE THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY MONDAY NIGHT AND TUESDAY...INCREASING RAIN SHOWERS AND THUNDERSTORMS IN THE WEST. VERY WARM AND WINDY CONDITIONS ACROSS THE CENTRAL AND SOUTH TUESDAY WITH INCREASING CHANCES FOR SHOWERS AND THUNDERSTORMS TUESDAY AFTERNOON AND EVENING MAY RESULT IN RAPID SNOWMELT AND SIGNIFICANT RISES IN CREEKS AND STREAMS. THE WARM AND WINDY CONDITIONS IN THE CENTRAL AND SOUTH WILL ALSO RESULT IN AN ELEVATED FIRE DANGER. SIGNIFICANT SNOW SHOWERS IN THE WESTERN MOUNTAINS BEGINNING LATE TUESDAY NIGHT. WEDNESDAY AND WEDNESDAY NIGHT...SIGNIFICANT SNOW ACCUMULATIONS POSSIBLE IN THE NORTHERN AND WESTERN MOUNTAINS. STRONG DOWNSLOPE WINDS LIKELY ACROSS CENTRAL AND SOUTHERN WYOMING EARLY WEDNESDAY MORNING INTO WEDNESDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. $$ TEAM RIVERTON

Record high temperature 124.7°F Record low temperature -29.9°F Record high gust 94.3 mph Record high average 69.5 mph Record daily rain 1.57 in. Record low windchill -50.6°F Record high barometer 31.337 in. Record low barometer 25.160 in.
Daily high pressure 30.165 in. Daily low pressure 30.076 in. Daily low windchill 34.3°F Daily high heat index 57.2°F Daily high gust speed 10.9 mph WNW Daily high average speed 7.8 mph WSW
LAST READING AT TIME: 9:50 AM DATE: April 21 2014, time of next update: 10:00 AM
Current WeatherHaze Current Temperature 56.3°F (13.5°C), Apparent temp 54.2°F
Maximum Temperature (since midnight)57.2°F at: 9:36 AM Minimum Temperature (since midnight)36.9°F at: 6:20 AM
Average windspeed (ten minute)2.3 mph Wind Direction (ten minute)W (268°)
Windchill Temperature 56.3°F Maximum Gust (last hour)4.9 mph at: 9:28AM
Maximum Gust (since midnight)10.9 mph at: 12:58 AM Maximum 1 minute average (since midnight)7.8 mph at: 2:09 AM
Rainfall (last hour)0.000 in. (0.0 mm) Rainfall (since midnight)0.000 in. (0.0 mm) ---
Rainfall This month 0.28 in. (7.0 mm) Rainfall To date this year 0.669 in. (17.0 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 27.5°F (Wet Bulb :44.9°F )
Humidity 33 %, Humidex 51.4°F Barometer corrected to msl30.165 in. (1021.5 hPa)
Pressure change 0.00 in. (last hour) Trend (last hour)STEADY
Pressure change (last 12 hours)+0.18 in Pressure change (last 6 hours)+0.03 in
Current Indoor temp. 76.5°F
Current Indoor hum. 24%

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Weather report/warning/Metars

SOUTH BIG HORN COUNTY AIRPORT , WY, United States (KGEY) 44-31N 108-05W 1191M
Apr 21, 2014 - 10:53 AM EDT / 2014.04.21 1453 UTC
Wind: from the SE (140 degrees) at 3 MPH (3 KT):0
Visibility: 10 mile(s):0
Sky conditions: clear
Temperature: 46.0 F (7.8 C)
Dew Point: 24.1 F (-4.4 C)
Relative Humidity: 41%
Pressure (altimeter): 30.25 in. Hg (1024 hPa)
Pressure tendency: 0.02 inches (0.8 hPa) higher than three hours ago
ob: KGEY 211453Z AUTO 14003KT 10SM CLR 08/M04 A3025 RMK AO2 SLP239 T00781044 50008
cycle: 15

Amundsen-Scott South Pole Station, Antarctica (NZSP) 90-00S 00-00E 2835M
Apr 21, 2014 - 07:50 AM EDT / 2014.04.21 1150 UTC
Wind: from the SE (130 degrees) at 8 MPH (7 KT):0
Visibility: 4 mile(s):0
Sky conditions: clear
Weather: ice crystals; mist
Temperature: -90 F (-68 C)
Windchill: -124 F (-87 C):2
Pressure (altimeter): 28.57 in. Hg (967 hPa)
ob: NZSP 211150Z 13007KT 8000 IC BR SKC M68/ A2857 RMK CLN AIR 11009KT ALL WNDS GRID 
cycle: 12

Alert Airport, Canada (CYLT) 82-31N 062-17W
Apr 21, 2014 - 10:40 AM EDT / 2014.04.21 1440 UTC
Wind: from the WNW (290 degrees) at 10 MPH (9 KT):0
Visibility: 15 mile(s):0
Sky conditions: mostly clear
ob: CYLT 211440Z 29009KT 15SM FEW180 FEW240 RMK AC2CI1
cycle: 14

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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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The Weather Station, information and web page provided at is in memory of "Our Parents": CLIVE AND RUTH STOELK, of Basin, Wyoming and LEONARD AND LUCILLE HENDERSON, of Greybull, Wyoming. Thank you for looking. We hope you find this weather information helpful