textproduct: Elko

KEY MESSAGES

* An Extreme Heat Warning is in effect for Eastern Elko County today through Sunday

* A Heat Advisory is in effect for the remainder of Northern and Central Nevada today through Sunday

* Near record heat in most of Northern and Central Nevada each afternoon today through Sunday

* Elevated fire weather conditions in Northern Nevada Friday through Sunday due to hot, dry, and breezy weather

DISCUSSION

(Today through Wednesday)

WEATHER PATTERN OVERVIEW: A large dome of high pressure continues to grip the SW CONUS keeping high temperatures well above normal. Afternoon highs 10-15 degrees above normal have prompted an Extreme Heat Warning for Eastern Elko County and a Heat Advisory for the remainder of Northern and Central Nevada today through Sunday. Time outdoors should be limited for both people and animals. Those that work outside should prioritize hydration.

A slightly tighter pressure gradient in zonal flow just north of the Silver State will increase westerly wind speeds across the northern border Friday through Sunday. Afternoon breezes combined with very low RH values and extreme heat will create elevated fire weather conditions across Northern Nevada Friday through Sunday.

Friday and Saturday, the positioning of the surface high will meander eastward into the region of the Four Corners. This will open Central and Southern NV up somewhat to monsoonal flow. Current guidance has Western AZ and the Baja being the main source regions for moisture. While precipitable water values aren't spectacular (0.7-0.9 inches), the threat of convection will return to northern portions of Nye and Southern White Pine Counties possibly as soon as Friday. Diurnal forcing and sufficient instability make the threat of more dry than wet convection a possibility, though current probabilities for storm activity remain low.

FORECAST CONFIDENCE & DEVIATIONS: High confidence continues for near record heat the remainder of the week. Moderate confidence exists in elevated fire weather conditions across Northern NV Friday through Sunday. Low confidence remains in dry storm activity over Nye and White Pine Counties this weekend. No major changes needed for grids at this time.

AVIATION

VFR conditions are expected at all terminals through at least the next 24 hours, with no precipitation forecasted.

FIRE WEATHER

Fairly benign fire weather conditions continue through mid week across all fire weather zones thanks to light winds. Elevated conditions are possible starting Friday through the weekend for Northern NV fire zones due to stronger sustained winds along the Northern NV border. A low chance of dry thunderstorm activity is possible for fire weather zones 425/426/470 this weekend.

LKN Watches/Warnings/Advisories

Extreme Heat Warning from 11 AM PDT this morning until 11 PM PDT Sunday evening NVZ033-039.

Heat Advisory from 11 AM PDT this morning until 11 PM PDT Sunday evening NVZ030-031-034>038-040-041.