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SHERIDAN, WYOMING and the BIG HORN MOUNTAINS
Sheridan, WY, current
weather

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Last Manual Page Changes Made On 9/23/17

Last Auto Update 3:48p 09/23/17

The Tabular Data Between The Fire Danger Image And The Lower Ticker (Opposite) Are Manually Updated Frequently-Usually At Least Daily Except January. Table And Current Precipitation Will Usually Be Reported Daily By 9:30 a.m. MST/MDT.

All Other Data (except sky condition above) are Updated Automatically 24/7/365 Every 5 Minutes Including Precipitation. The Automatic Rain Gauge Has A Winter Heater Which Will Show Current Precipitation Readings Except During Extremely Cold, Windy, And Dry Snow Conditions. Next Day/Later Corrections Will Often Be Made.

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My Independent Precipitation Expectations, if Any (90% accurate when given-precipitation may only be a trace, 81% accurate for measureable precipitation).
Additional Precipitation Possible By 9/22.
(Date, if given, may change as time approaches.)
 
 
Station  Forecast

 
Snow, Precipitation, Sheridan Area Fire Danger and Drought Information

For afternoon of day indicated.  Updated about 1:10 PM.
Sheridan 2017 Temperature Deviation From Normal (Degrees F); 2016 +1.1 +2.7
Sheridan Keetch-Byram Drought Index (KBDI) 0=Wettest, 800=Driest; Adjective Rating 312 Mild
Big Horn Mountains Approx. Avg. Snow Depth (Inches) as of 9/22/17 & Last Year/Avg. 0.2 0.1/0.0
Sheridan Snow Depth as of 9/23/17 (Inches) & Last Year/50+ Year Average 0.0 0.0/0.1
Sheridan 24 Hour Snowfall (Inches) Through 8:00 AM Today 0.0
Season (7/1-6/30) to Date Snowfall (Inches) Through 9/22/17 & Percent of Average 0.0 0%
Average Season (7/1-6/30) to Date Snowfall (Inches)-Through 9/22 0.9
Evapotranspiration On 9/22/17 (Inch) 0.01
Precipitation Year to Date (Inches) Through 9/20/17 and Normal 16.83 11.04
August Precipitation (Inches) & Percent of Normal 0.52 78%
Normal August Precipitation (Inches) 0.67
2017 Precipitation Through August (Inches) & Percent of Normal 15.38 154%
Normal Annual Precipitation Through August (Inches) 9.96
Wettness/Dryness & Current Trends (SPI) 1 Yr. & 4 Yr. (+3.00=Wettest, -3.00=Driest) 1.95up 1.35dn
Precipitation Deficit or Surplus 1999 Through 2016 (Inches) 0.20
 
 
 
 
 
Current Weather at Sheridan ,WY

Current Outside Temperature Outside Temp History Outside Dewpoint Outside Humidity


Dewpoint History Outside Humidity History


Current Wind Direction Current Wind Speed Current Wind Chill Current THW Index


Wind Speed History Hi Wind Speed History


Barometer(SL) History Temperature at Console Storm Rain Total Current Rain Rate


Precipitation History Today's Precipitation Monthly Total Precipitation Yearly Total Precipitation


Soil Moisture At 8 Inches-Unirrigated Soil Temperature At 8 Inches-Unirrigated

Temperature
41.9F
Humidity
91%
Dewpoint
39.5F
Wind
NNE at 0.0 mph
Barometer(SL)
1019.1  mb & Falling Slowly
Today's Precipitation
0.10  in
Precipitation Rate
0.00  in/hr
Storm Total
0.20  in
Monthly Precipitation
1.53  in
Yearly Precipitation
16.91  in
Wind Chill
41.9F
THW Index
41.9F
Heat Index
41.9F
Today's Highs/Lows

High Temperature

Low Temperature

42.1F   at   1:15p

39.6F  at    3:39a

High Humidity

Low Humidity

92%    at   5:33a

88%   at   12:31a

High Dewpoint

Low Dewpoint

40.0F   at   9:01a

37.0F  at   12:14a

High Wind Speed

5.0 mph   at  10:55a

High Barometer(SL)

Low Barometer(SL)

1020.3 mb   at   1:14p

1018.3 mb  at   12:44a

High Rain Rate

0.09 in/hr   at   2:59p

Low Wind Chill

40.0F   at  12:14a

High Heat Index

42.0F   at   8:56a



Sheridan, Wyoming Area Climate Data
Normal and Average Climate Data Normal Average
Big Horn Mountains Approx. Avg. Annual Snowfall (Inches)-Only Ten Years In Average 147
Big Horn Mountains Date Of Maximum Snow Depth 4/4
Sheridan Annual Snowfall (Inches) 63.6 69.4
Sheridan Date Of Maximum Snow Depth 2/10 1/31
Sheridan Amount (Inches) Of Snowfall Per Event 1.7
Sheridan Annual Precipitation (Inches) 14.08 15.15
Sheridan Annual Temperature (F) 45.9 44.6
Sheridan First Freeze (32 degrees)-National Weather Service Data At Airport 9/20
Sheridan Last Freeze (32 degrees)-National Weather Service Data At Airport 5/19
Sheridan Yearly Wind Speed (MPH)-National Weather Service Data At Airport (No Trees) 7.3
Sheridan Yearly Wind Speed (MPH) At This Location-Last Nine Years Only (With Trees) 1.6
Sheridan's Windiest Month Is April-(MPH) National Weather Service At Airport (No Trees) 9.8

Notes:  Big Horn Mountains snow information is derived from U.S. Government SNOTEL measurments.  Sheridan snow measurements are derived from a combination of NWS (National Weather Service), Cooperator and, for more than a decade, my measurements.  Sheridan precipitation and annual temperatures are derived from the same sources as the snowfall.  Where my measurments have existed for several years, they are used in lieu of any other records for that period of time.  In some cases, data from only NWS as well as records including my data, may both be shown for comparative purposes.  Averages include all data collected.  Normals are averages of 30 year periods which end at the end of the last decade.  I.E. the current normal period began in 1981 and ended in 2010. Fire Danger computations are made at 1:00 PM Mountain Standard Time for the afternoon of the current day. They should only be used for general information as values can change rapidly depending on specific locations and especially rapidly changing wind conditions. Open terrain with higher wind speeds may raise ratings by an entire rating category.
EOS=End of Season.