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Dense Fog Reduces Visibility in Las Vegas and Mojave Region, NWS Warns of Travel Delays

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Published on January 02, 2026
Dense Fog Reduces Visibility in Las Vegas and Mojave Region, NWS Warns of Travel DelaysSource: Unsplash/ Joe Woods

The National Weather Service in Las Vegas reports reduced visibility due to morning fog in the Mojave Desert and around the city. Light rain and high-elevation snow are expected to continue through the weekend, which may affect outdoor plans in higher-altitude areas.

Low visibility has been reported in the region during early morning hours, according to the NWS. Fog is affecting areas including Las Vegas, Barstow/Daggett, and Lake Havasu City, with visibility below half a mile. Conditions have been confirmed by automated sensors and highway cameras. Light winds and high humidity following recent rainfall are contributing to the fog. Travelers are advised to plan for additional travel time.

Looking ahead, fog is one component of the unsettled weather across the Western U.S. Breezy conditions, along with occasional light rain and mountain snow, are expected. By the weekend, moisture levels are forecast to reach 150 to 200 percent of normal. Precipitation amounts are expected to be modest, with most desert valleys likely receiving around 0.1 inches of rain within 24 hours and a 10 to 30 percent chance of occurrence.

Winter weather is impacting aviation operations this morning. Dense fog is present at all Terminal Aerodrome Forecast (TAF) sites. Overnight visibility at some locations, including KDAG, ranged from 1/4 to 2 miles. Visibility is expected to fall below 6 statute miles at times throughout the day. As the fog lifts mid-morning, broken to overcast high clouds are forecast to move from west to east.