Alkaen: 07.08.2026, 08:47
To: 09.08.2026, 05:15

* WHAT...High temperatures of 97 to 102 degrees with overnight lows of 55 to 70 degrees. Widespread Moderate to Major HeatRisk. * WHERE...In California, Lassen-Eastern Plumas-Eastern Sierra Counties and Surprise Valley California. In Nevada, Northern Washoe County and Greater Reno-Carson City-Minden Area. * WHEN...Until 8 AM PDT Monday. * IMPACTS...Heat related illnesses will be more likely, especially for those spending extended periods outdoors, in poorly cooled indoor spaces, or who are sensitive to heat.

Alkaen: 08.08.2026, 05:16
To: 08.08.2026, 23:00

* WHAT...Hot temperatures of 95 to 105 degrees are expected, possibly up to 110 degrees in the lower Klamath River Valley, with low temperatures in the 50s to near 60 degrees. Lows of 60 to 65 degrees over higher terrain. * WHERE...Siskiyou and Modoc Counties. This includes the lower Klamath River Valley, the Shasta Valley, Weed, Montague, Alturas, Tionesta, Tennant, Macdoel and Tulelake. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Hot temperatures will lead to a moderate risk of heat illnesses, especially for those without adequate cooling methods.