Hoover Dam Visitor Center, Nevada

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Northern Lander County and Northern Eureka County; Southern Lander County and Southern Eureka County
Effective: 2026-08-23 @ 6:32 pm -> 2026-08-23 @ 7:00 pm
Onset: 2026-08-23 @ 6:32 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Elko NV on 2026-08-23 @ 6:32 pm
Headline: Special Weather Statement issued August 23 at 4:32PM PDT by NWS Elko NV
Description: At 432 PM PDT, Doppler radar was tracking a strong thunderstorm 17
miles north of Grass Valley, moving northeast at 20 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include...
Mount Tenabo.

Alert: Extreme Heat Warning
Area(s): Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; San Bernardino County-Upper Colorado River Valley; Las Vegas Valley; Lake Mead - NV side; Lake Mohave - NV side
Effective: 2026-08-23 @ 3:44 am -> 2026-08-23 @ 10:00 pm
Onset: 2026-08-23 @ 3:44 am -> 2026-08-23 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Las Vegas NV on 2026-08-23 @ 3:44 am
Headline: Extreme Heat Warning issued August 23 at 1:44AM PDT until August 23 at 8:00PM PDT by NWS Las Vegas NV
Description: * WHAT...Dangerously hot conditions with temperatures up to 115 to
118 degrees expected through Death Valley and the lower Colorado
River Valley, with highs between 107 to 110 degrees elsewhere. Near
record warm low temperatures expected in urban areas.

* WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake
Havasu, Northwest Deserts, Death Valley National Park, and Las
Vegas Valley.

* WHEN...Until 8 PM PDT /8 PM MST/ this evening.

* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.