


Area Forecast Discussion
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
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092 FXUS65 KVEF 222304 AFDVEF Area Forecast Discussion National Weather Service Las Vegas NV 404 PM PDT Thu May 22 2025 .SYNOPSIS...Gusty southerly to southwesterly winds are expected across the area tomorrow. A Lake Wind Advisory will be in effect for Lake Mohave and Lake Mead, where waves of 1 to 3 feet and gusts up to 35 mph are possible. Although temperatures will fall several degrees over the weekend, they will remain near to above normal for late May. && .SHORT TERM...Through Saturday. The primary challenge in the short term is wind. A shortwave will become centered over the California coast by Friday morning and strengthen low level winds with speeds of 25 to 35 knots at 850 mb. Forecast soundings show good mixing by the afternoon, which will help increase winds at the surface. Peak gusts in the 25 to 35 mph range are possible across much of the Mojave Desert, the strongest of which will be in western San Bernardino County including the Barstow area. Some isolated gusts up to 40 mph may be possible along high terrain in this area. The area of greatest concern is along the Colorado River, specifically Lake Mead and Lake Mohave. Sustained speeds out of the south in the 20 to 25 mph range are expected on Friday afternoon along with gusts up to 35 mph. These winds will generate waves of 1 to 3 feet. A Lake Wind Advisory is in effect for both Lake Mead and Lake Mohave from 11 AM to 7 PM on Friday. Always wear a life jacket while spending time out on the lakes! Winds on Saturday should be lighter as the center of the shortwave moves overhead and the strongest winds move east. Temperatures fall several degrees between today and Saturday as the shortwave moves through and heights aloft decrease. Saturday`s highs will be closer to seasonal averages, which means the low 90s in the Las Vegas area and upper 90s along the Colorado River. Despite the relatively cooler temperatures, always stay adequately hydrated and know where to find air conditioned space if spending time outdoors. .LONG TERM...Sunday through next Thursday. Model consensus decreases next week and confidence in forecast details is lower than through this weekend. Cluster analysis supports ridging building back into the region, and dry weather is likely. However, how strong the ridge builds and where it sets up is uncertain, which will influence temperature and wind forecasts. Temperatures will should remain at or above normal the first half of next week as even the 10th percentile "low end" high temperature forecasts are not below normal. But overall temperature spread is high. Winds may be breezy at times but probabilities for impactful wind gusts over 40 MPH next week is low. && .AVIATION...For Harry Reid...For the 00Z Forecast Package... Southwesterly winds with sustained speeds over 10 knots and gusts over 20 knots should persist through the evening. Some lulls may occur the early morning hours with speeds of under 10 knots. Winds increase out of the southwest again tomorrow morning with a return of gusts over 20 knots. High clouds above 25kft should have minimal impact on aviation. For the rest of southern Nevada, northwest Arizona and southeast California...For the 00Z Forecast Package...Gusty winds out of the southwest should decrease in the evening across much of the area, but sustained speeds over 10 knots remain possible into the night. Another round of gusty southerly to southwesterly winds arrives tomorrow, the strongest of which should be along the Colorado River with gusts near 30 knots possible. SCT to BKN high clouds filter into the area overnight but should have minimal impact on aviation. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && $$ SHORT TERM...Meltzer LONG TERM...Nickerson AVIATION...Meltzer For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter