Weather
Nevada Weather Alert: Las Vegas Storm Chances Rise Oct 20-22
Las Vegas, NV – A noticeable shift toward cooler, more unsettled weather is expected across the Las Vegas area next week, with showers and thunderstorms possible beginning Tuesday, October 20. After s
By Lena Wood · 2026-10-16T09:42:33.241Z
Las Vegas, NV – A noticeable shift toward cooler, more unsettled weather is expected across the Las Vegas area next week, with showers and thunderstorms possible beginning Tuesday, October 20. After several days of sunshine and temperatures near 80 degrees, the region could experience increasing cloud cover, periodic rain chances and afternoon highs falling into the upper 60s by Thursday. The developing pattern may affect outdoor activities and travel across the Las Vegas Valley, including portions of Clark County.
According to the National Weather Service in Las Vegas, Tuesday brings the first chance of showers after 11 a.m., with temperatures reaching approximately 77 degrees under mostly sunny skies. The possibility of thunderstorms develops Tuesday night and continues into Wednesday, when afternoon temperatures are expected to fall to around 70 degrees. Additional showers remain possible Thursday as the cooler weather pattern continues.
Thunderstorm Chances Develop Tuesday Night The first significant change arrives Tuesday afternoon, October 20, when the forecast introduces a chance of showers following several predominantly dry days. Although the morning and early afternoon may feature sunshine, increasing precipitation chances could signal the beginning of a more unsettled period across the Las Vegas metropolitan area.
By Tuesday night, showers and thunderstorms become possible as mostly cloudy skies develop and temperatures fall to around 58 degrees. The National Weather Service has not provided a specific precipitation probability, expected rainfall accumulation or indication of severe thunderstorm potential in the supplied forecast.
Wednesday, October 21, could bring another round of showers and thunderstorms, with partly sunny conditions and a high near 70 degrees. Additional precipitation chances continue Wednesday night, when mostly cloudy skies are expected and temperatures could fall to approximately 56 degrees.
Cooler Temperatures Follow Several Warm Days The approaching weather change will also bring a gradual reduction in afternoon temperatures. Monday's forecast high of 80 degrees drops to 77 Tuesday, then 70 Wednesday and approximately 69 Thursday.
That represents an 11 degree decline between Monday and Thursday, a noticeable change for residents accustomed to the warmer conditions expected earlier in the week. The cooler temperatures, combined with increased cloud cover, could make outdoor conditions feel different from the sunny weekend.
Thursday, October 22, remains unsettled in the current forecast, with a chance of showers and partly sunny skies. The expected high near 69 degrees would be the coolest afternoon in the supplied outlook.
While the forecast indicates several days with precipitation potential, it does not establish that rain will fall continuously. The timing, coverage and intensity of any thunderstorms remain uncertain.
What the Changing Weather Means for Travel Drivers traveling Interstate 15, U.S. Route 95 and Interstate 215 should monitor updated forecasts as Tuesday approaches. If showers or thunderstorms develop over heavily traveled portions of the valley, wet pavement and reduced visibility could affect driving conditions.
The possibility of rain also matters for outdoor recreation, construction work and visitors planning activities along the Las Vegas Strip. However, no specific road closures, airport delays or flooding impacts are identified in the supplied National Weather Service information.
Before the midweek transition, residents can expect favorable weather through the weekend. Saturday and Sunday both feature highs near 79 degrees, while Monday brings sunshine and a high around 80.
The main uncertainty involves how widespread the showers become Tuesday through Thursday and whether thunderstorms develop over the metropolitan area. Residents should watch for updated precipitation probabilities and timing as the period approaches.
Will the possibility of cooler temperatures and thunderstorms change your plans for next week?
Five Day Weather Outlook Saturday 10/17: Mostly sunny skies are expected with a high near 79 degrees, accompanied by northwest winds of 5 to 7 mph becoming east northeast during the afternoon; partly cloudy skies follow Saturday night with a low around 63 degrees.
Sunday 10/18: Sunshine continues across Las Vegas with an afternoon high near 79 degrees, providing favorable conditions for outdoor activities; mostly clear skies are expected Sunday night as temperatures fall to approximately 62 degrees.
Monday 10/19: Another sunny day is expected with a high near 80 degrees, making Monday one of the warmer afternoons in the outlook; mostly clear skies continue Monday night with a low around 62 degrees.
Tuesday 10/20: Mostly sunny conditions give way to a chance of showers after 11 a.m., with a high near 77 degrees; showers and thunderstorms become possible Tuesday night as temperatures fall to around 58 degrees.
Wednesday 10/21: Showers and thunderstorms remain possible under partly sunny skies, with temperatures reaching approximately 70 degrees; mostly cloudy conditions and additional thunderstorm chances continue Wednesday night with a low near 56 degrees.
Extended Weather Outlook Thursday, October 22: A chance of showers continues across Las Vegas, with partly sunny skies and a high near 69 degrees.