The monsoon moisture will push into our neck of the woods today which will increase the threat for thunderstorms, mainly along and east of the Cascades as well as in Siskiyou county where a Red Flag Warning has been issued. This means fire weather is possible and for this red flag warning it is due to thunderstorms producing abundant lightning, gusty winds and dry fuels. Thunderstorms will originally start out dry but later in the afternoon some significant rainfall is possible. The thunderstorm threat will push east on July 4th, with Modoc and Lake county the most likely places to continue to see a few thunderstorms.
West side valleys and Siskiyou county are under a Heat Advisory through tonight due to long-lasting hot temperatures and little relief in the overnight hours. Some cooling systems may be strained and you may have difficulty staying cool,this could create a situation in which heat illnesses are possible. Stay out of the sun and check up on relatives and neighbors.
Tomorrow we will cool, but just by a few degrees, with a bigger drop in temperatures just in time for the Fourth of July holiday and continued cooling into Friday. This weekend temperatures will rebound back into the mid-90s for west side valleys and mid-80s for the east side and upper-60s for the coast.
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Meteorologist Megan Parry