Heat Advisory issued May 29 at 12:17PM PDT until May 31 at 11:00PM PDT by NWS Sacramento CA
* WHAT...Dangerously hot conditions with temperatures 99 to 107 and widespread Major HeatRisk expected. Limited overnight relief with low temperatures in the mid 60s to mid 70s. * WHERE...Carquinez Strait and Delta, Central Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills/Sacramento Valley, Northern Sacramento Valley, Northern San Joaquin Valley, Shasta Lake Area / Northern Shasta County, and Southern Sacramento Valley. * WHEN...From 11 AM Friday to 11 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Area waterways continue to
Heat Advisory issued May 30 at 6:35AM PDT until June 1 at 7:00AM PDT by NWS Hanford CA
* WHAT...High temperatures up to 105 expected. * WHERE...San Joaquin Valley, Kern River Valley, and lower Sierra Nevada foothills. * WHEN...From 11 AM this morning to 7 AM PDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued May 30 at 6:24AM PDT until May 30 at 8:00PM PDT by NWS San Francisco CA
* WHAT...Temperatures up to 106 expected. * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, North Bay Interior Valleys, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...From 11 AM this morning to 8 PM PDT this evening. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and
Extreme Heat Warning issued May 29 at 1:38PM PDT until May 31 at 11:00PM PDT by NWS Las Vegas NV
* WHAT...Dangerously hot conditions with a major risk for heat related illness and impacts. * WHERE...Lake Mead National Recreation Area, Death Valley National Park, Western Mojave Desert, Eastern Mojave Desert, Northeast Clark County, Western Clark and Southern Nye County, Las Vegas Valley, and Southern Clark County. * WHEN...From 9 AM PDT /9 AM MST/ Friday to 11 PM PDT /11 PM MST/ Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Temperatures Friday and Saturday will reach 104 to 108 in the Lake Mead Recreation Area, 100 to 105 in the western Mojave Desert including Barstow
Heat Advisory issued May 29 at 11:37AM MDT until May 31 at 9:00PM MDT by NWS Missoula MT
* WHAT...Moderate risk of heat effects expected. * WHERE...In Idaho, Eastern Lemhi County. In Montana, Flathead/Mission Valleys, Kootenai/Cabinet Region, Lower Clark Fork Region, and Missoula/Bitterroot Valleys. * WHEN...From noon to 9 PM MDT Saturday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.
Heat Advisory issued May 29 at 12:39PM MDT until May 31 at 7:00PM MDT by NWS Boise ID
* WHAT...Temperatures of 95 to 102 expected across the lower elevations. Record high temperatures possible. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...From noon MDT /11 AM PDT/ to 7 PM MDT /6 PM PDT/ Saturday. * IMPACTS...Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know
Heat Advisory issued May 29 at 3:31AM PDT until May 30 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
* WHAT...Temperatures up to 100 expected, and even over 100 near Paso Robles. * WHERE...Cuyama Valley, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, and Southern Salinas Valley. * WHEN...From 11 AM to 8 PM PDT Friday. * IMPACTS...There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors.
Heat Advisory issued May 29 at 3:04AM PDT until May 30 at 8:00PM PDT by NWS San Francisco CA
* WHAT...Temperatures up to 98 expected. * WHERE...Interior Central Coast, The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, North Bay Interior Mountains and Valleys. * WHEN...From 11 AM to 8 PM PDT Friday. * IMPACTS...Hot conditions can cause heat illnesses. This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.
Heat Advisory issued May 29 at 2:49AM PDT until May 31 at 10:00PM PDT by NWS Eureka CA
* WHAT...Temperatures as high as 105 expected. * WHERE...Trinity County, Lake County, and Northeastern Mendocino Interior. * WHEN...From 11 AM Friday to 10 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses.