* WHAT. Temperatures are going to warm significantly as we head into the 4th of July weekend with afternoon highs approaching 100 degrees across western NV by the 4th of July, then heating further to near or above 105 degrees over the weekend and early next week. This will result in a prolonged period of Major HeatRisk. * WHERE. Northern Washoe County, Western Nevada Basin and Range including Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral and Southern Lyon Counties. * WHEN. From Saturday morning through Wednesday morning, July 10th. * IMPACTS. Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities.

* WHAT. Temperatures are going to warm significantly as we head into the 4th of July weekend with afternoon highs 90 to 95 degrees in most valley areas, locally to 105+ degrees across the hotter Chalfant Valley in Mono County and the Honey Lake area including Susanville in northeast CA. While overnights will cool briefly, these daytime temperatures will be at record levels and very unusual even for summer. This will result in a prolonged period of Moderate HeatRisk. * WHERE. Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern Sierra Counties, and Mono County. * WHEN. From 10 AM Saturday to 10 AM PDT Wednesday. * IMPACTS. This extended period of hot weather may cause heat illnesses, especially for those with no access to air conditioning.

* WHAT. Temperatures are going to warm significantly as we head into the 4th of July weekend with afternoon highs approaching 100 degrees across western NV on the 4th of July, then heating further to near or above 105 degrees over the weekend and early next week. This will result in a prolonged period of Major HeatRisk. * WHERE. Northern Washoe County, Western Nevada Basin and Range including Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral and Southern Lyon Counties. * WHEN. From 10 AM Saturday to 10 AM PDT Wednesday. * IMPACTS. Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities.

* WHAT. Hot conditions with high temperatures up to 95-110. Limited overnight relief with low temperatures in the upper 50s to upper 70s. Areas of Major and Extreme HeatRisk is expected. * WHERE. Burney Basin / Eastern Shasta County, West Slope Northern Sierra Nevada, and Western Plumas County/Lassen Park. * WHEN. From 11 AM this morning to 11 PM PDT Tuesday. * IMPACTS. Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS. Heat could significantly impact outdoor holiday activities. Area waterways will continue to run cold and fast, creating dangerous conditions for those seeking relief in rivers and lakes.

* WHAT. Temperatures are going to warm significantly as we head into the 4th of July weekend with afternoon highs approaching 100 degrees across western NV on the 4th of July, then heating further to near or above 105 degrees over the weekend and early next week. This will result in a prolonged period of Major HeatRisk. * WHERE. Northern Washoe County, Western Nevada Basin and Range including Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral and Southern Lyon Counties. * WHEN. From 10 AM Saturday to 10 AM PDT Wednesday. * IMPACTS. Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities.

* WHAT. Temperatures are going to warm significantly as we head into the 4th of July weekend with afternoon highs 90 to 95 degrees in most valley areas, locally to 105+ degrees across the hotter Chalfant Valley in Mono County and the Honey Lake area including Susanville in northeast CA. While overnights will cool briefly, these daytime temperatures will be at record levels and very unusual even for summer. This will result in a prolonged period of Moderate HeatRisk. * WHERE. Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern Sierra Counties, and Mono County. * WHEN. From 10 AM Saturday to 10 AM PDT Wednesday. * IMPACTS. This extended period of hot weather may cause heat illnesses, especially for those with no access to air conditioning.