


Area Forecast Discussion
Issued by NWS Elko, NV
Issued by NWS Elko, NV
937 FXUS65 KLKN 142010 AFDLKN Area Forecast Discussion National Weather Service Elko NV 110 PM PDT Wed May 14 2025 .SYNOPSIS...Upper level low pressure just to our east will continue to promote showers and isolated thunderstorms over far northeastern Nevada today. High pressure will bring drier and warmer conditions Thursday. The next frontal system will move across the Silver State Friday through this weekend, bringing more widespread chances for accumulating rainfall. High pressure looks to bring drier and warmer conditions by Tuesday and Wednesday next week. && .SHORT TERM...Tonight through Thursday night The pesky closed upper-level low pressure center that has been camped over the area the past few days continues its slow exodus to the east this afternoon. With mid-level height rises over the region, afternoon temperatures will be slightly warmer in the upper 50s to low 60s, warmest over the valleys of Humboldt and northern Nye Counties. Scattered showers continue on radar once again, with brief downpours and isolated chances for lightning (20% chance over Elko County), though instability is less than the past couple of days and a General Thunder Outlook from the SPC only clips far northeastern Elko County. Cannot rule out brief periods of graupel as well. Brief light snow accumulations above 7000 feet as well. Showers will once again wind down over night with skies clearing over the entire area. This will allow for temperatures to cool quite quickly, dropping into the low to mid 30s (some 5 to 10 degrees below normal for mid May). High pressure will build further eastward across the Great Basin for warmer and milder conditions as highs climb back closer to normal in the mid to upper 60s. .LONG TERM...Friday through next Wednesday The main weather feature of the long term period is the long wave trough that will push two waves through the region over the weekend. On Friday zonal flow behind a retreating upper level trough to the east resides over the Great Basin where afternoon highs will reach into the 60s. This is short lived however due to an Aleutian low building into the western CONUS. Trough amplification occurs over CA/OR Saturday morning in the form of a short wave that will quickly strengthen as it moves into the state by Saturday afternoon. Vorticity and frontogenesis increase over the state by midday Saturday when precipitation spreads from a few isolated showers over northwest NV to more widespread showers and thunderstorm activity across northern and central NV through the afternoon and evening. Saturday looks to be the wettest day of the period with rain accumulations of up to half an inch are possible in eastern and east central NV. This coincides with the best convective chances for the region where 120-180 J/kg of CAPE are available combined with LI`s in the 0 to -2 range and PW values more than capable of producing mixed wet and dry convection. Increased frontogenesis and the passage of the associated boundary with the trough will enhance the convective growth needed to reach forecasted accumulations. Rain cooled temperatures Saturday and Sunday will top out in the 40s and 50s as the pair of systems impact the region. Snow levels remain at or above 6500 feet as this system pushes through keeping frozen precipitation confined to higher elevations and peak across the area. By Sunday morning a low pressure center develops in the base of the parent trough over the ID/NV border. This low will persist over the state through Monday even as the second shortwave develops to the west as rides the upper level flow of the parent troughs axis into the area. The second wave impacts the state Sunday and contributes an additional 0.1 to 0.4 over Nye and southern Lander and Eureka counties as well as 0.1-0.3 over eastern NV. Showers persist into Monday when the second boundary drags through the region ending precipitation from west to east by Monday afternoon. Ridging builds into the western CONUS Tuesday and Wednesday bringing quieter weather to the state and afternoon highs into the 70s. && .AVIATION...VFR conditions are expected at all terminals except for KEKO and KENV where an isolated shower is possible through Wednesday afternoon as the low pressure system over the area pushes eastward away from the area by Thursday morning. Wind gusts in the 20-25KT range are anticipated at KEKO, KELY, KBAM, KENV, and KTPH through the early evening before diminishing after sunset. Thursday conditions will be pleasant with no precipitation anticipated at all terminals and wind gusts in the 18-20KT range at terminals through Thursday afternoon. && .FIRE WEATHER... Scattered showers across zones 438, 469, and 470, with a 20% chance for isolated lightning strikes across 469 and 470 this afternoon. Breezy northwest winds of 10 to 15 mph today and tomorrow with afternoon gusts of 20 to 25 mph and 20 to 30 mph over zones 469 and 470. Drier conditions Thursday and early Friday as transient high pressure slides across the Great Basin. Another slow-moving area of low pressure will bring widespread rainfall and unsettled conditions late Friday and through the weekend. && .LKN Watches/Warnings/Advisories... None. && $$ 84/99/99/84