San Bernardino County, CA

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From the Forecaster

Weekend Recreation Forecast

Created by the NWS Las Vegas WFO

Dry and warm conditions are in store for southern Nevada, southeastern California, and northwestern Arizona this weekend. Southerly-to-southwesterly breezes will pick up this afternoon, with lighter winds expected tomorrow.

The graphic shows the forecast high temperatures for today and tomorrow for multiple popular recreation locations around the Las Vegas forecast area. The forecast will be given using the following format – Location: today’s forecast high temperature/tomorrow’s forecast high temperature. Red Rock Canyon: 88/88. Mt. Charleston 69/70. Valley of Fire: 95/97. Lake Mead: 95/96. Death Valley: 104/106. Cathedral Gorge: 85/86. Mojave National Preserve: 92/94. Whitney Portal: 69/69.

Highs Today

Created by the NWS San Diego WFO

Map of forecast high temperatures for Southern California for today Sep 19, 2026. For the coastal areas: 75 to 80, western valleys and inland Orange County: 78 to 83, inland valleys: 79 to 89, mountains between 4000 ft and 7000 ft: 72 to 82, high desert: 84 to 90, low desert: 97 to 101.

Map of forecast high temperatures for Southern California for today Sep 19, 2026. For the coastal areas: 75 to 80, western valleys and inland Orange County: 78 to 83, inland valleys: 79 to 89, mountains between 4000 ft and 7000 ft: 72 to 82, high desert: 84 to 90, low desert: 97 to 101.

Weather Outlook

Created by the NWS Phoenix WFO

Dry conditions prevail across the region this weekend with showers and storms returning to the higher terrain of northern and eastern AZ early next week. Temperatures will be near to slightly above normal levels this weekend into next week.

A graphic showing the forecast high and low temperatures in a bar chart on the right, with bulleted text on the left, describing the weather outlook, below two images of saguaro cacti on a clear day and clouds above a distant mountain.

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

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