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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Tuesday
• 
• High: 90 °
• Low: 43 °
• Partly Cloudy

• Wednesday
• 
• High: 66 °
• Low: 41 °
• Clear

• Thursday
• 
• High: 75 °
• Low: 43 °
• Clear

• Friday
• 
• High: 66 °
• Low: 46 °
• Clear

• Saturday
• 
• High: 72 °
• Low: 52 °
• Clear

Area forecast discussion 
National Weather Service Elko Nevada 
337 PM PDT Tuesday Jun 18 2013 


Synopsis...a strong cold front will push through the Silver state 
tonight...ushering in much cooler air for the remainder of the 
workweek. Scattered rain showers are also expected north of 
Interstate 80 tomorrow...with conditions remaining dry further 
south. Pleasant weather is expected for the remainder of the 
week...with comfortable temperatures and light winds. 


&& 


Short term...Tuesday night through Thursday. The Pacific 
northwest cold front is currently pushing into northwestern 
Humboldt County. This boundary will continue to push through the 
region through the night...ushering a moderated Pacific airmass. 
The 500mb Pacific trough will push into northern Nevada on 
Wednesday...with heights dropping down to 558dam over the Idaho/Nevada 
border. This will be a very cool airmass with highs struggling to 
reach the low to middle 70s across the north. 700-500mb r.H. 
Increases to 70% north of I-80...this moisture will combine with 
the cold air aloft to create steep low level lapse rates. 
Scattered rain showers will develop with an isolated strike or 
two...but the low equilibrium height will limit the overall 
thunderstorm coverage. The precipitable water gradient will be very sharp with 
the I-80 corridor begin the dividing line...as precipitable water values across 
central Nevada will barely reach .15". Thus it will remain 
dry...with gusty cool westerly winds...allowing winds gusts to 
reach near 30mph. Rain showers will quickly end tomorrow evening 
was daytime heating is lost...with partial clearing north. The 
amount of clearing will dictate how cold it gets Wednesday night 
into Thursday morning across the north...but with 700mb temperatures 
around -2c most places will fall into the middle-upper 30s. Will have 
to evaluate if a frost advisory will be needed Thursday morning. 
Thursday will be another cool day with fair-weather cumulus 
development...and lighter winds. 


Long term...Thursday night through next Tuesday night. Long range 
models once again in generally good agreement through the period. In 
addition run to run consistency is very good...so confidence is high 
in the forecast. 


Sensible weather...temperatures will climb back to above normal as the 
ridge builds overhead Saturday and Sunday. It appears that a frontal 
boundary or trough associated will the low in the Pacific northwest 
will brush northern parts of Humboldt and Elko counties Monday night 
and Tuesday. As a result the overall pressure gradient increases 
across most of the County Warning Area Monday and Tuesday...which could spell fire 
weather concerns for low relative humidity and high winds. In addition...moisture 
begins increasing late Sunday over Humboldt and Elko 
counties...continuing Monday and Tuesday. In fact..pwats/k approach 
1 inch/30 in western Humboldt County by Monday night. Although 
instability is still weak...isentropic lift is good so went ahead 
and just increase cloud cover at this time. Some of this moisture 
spreads further east into northern Elko County Tuesday. Combined 
with decent instability went ahead increase probability of precipitation slightly in 
northern Elko County. Once again this could be a fire weather 
concern for dry lightning as precipitable waters  and k remain below .75/30. 
Elsewhere...with increase in moisture expect overnight lows Monday 
and Tuesday night to be fairly warm. 


&& 


Aviation...main concern is strong winds and possibly reduction is 
visibility due to blowing dust. These winds will subside this 
evening. In addition...turb will be an issue across most of the 
County Warning Area..especially on the Lee side of the mountain ranges. 


&& 


Fire weather...winds will really begin to crank this late 
afternoon and early evening as a strong cold front has begun to 
enter northwestern Nevada. Most areas are already experiencing red 
flag conditions...and will continue to over the next 4-5 hours 
will r.H. Values in the single digits and winds gusting in the 
30mph zone. Conditions will begin to improve by 9pm with r.H. 
Values climbing as temperatures cool. It will remain gusty across most 
of fwz 470 through the night...with breezy conditions for the 
remainder of the area. Tomorrow will be much cooler with wetting 
rains possible across the northern fire zones...but it will remain 
dry across central Nevada. Was closely looking at fwz 455 for 
tomorrow with wind/r.H. Values becoming close to critical 
conditions...but westerly winds should remain below 30mph for most 
of the zone. Thursday through the weekend winds will be lighter 
with no fire weather concerns a this time. 


&& 


Lkn watches/warnings/advisories... 
red flag warning until 9 PM PDT this evening for Humboldt 
County...northeastern Nye County...northern Elko County... 
northern Lander County and northern Eureka County...northwestern 
Nye County...Ruby Mountains/East Humboldt Range...south central 
Elko County...southeastern Elko County...southern Lander County 
and southern Eureka County...southwestern Elko County...White 
Pine County. 


&& 


$$ 


95/85/85/95