Las Vegas, Nevada
Regional Weather Alerts
| Alert: | Extreme Heat Warning |
| Area(s): | Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side |
| Effective: | 2026-08-19 @ 6:11 am -> 2026-08-20 @ 7:00 am |
| Onset: | 2026-08-19 @ 6:11 am -> 2026-08-21 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-08-19 @ 6:11 am |
| Headline: | Extreme Heat Warning issued August 19 at 4:11AM PDT until August 21 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. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Friday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. |