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Storm Tracker Forecast: Excessive Heat Warning starts Friday

Dangerous heat is on the way to northern California through early next week, and Excessive Heat Warnings will be going into effect on Friday. Temperatures will get even hotter this weekend. We'll stay hot and dry to start next week.

Posted: Jul 9, 2021 6:07 AM

Get ready for dangerous heat! High pressure centered to our east will continue to build west into northern California today, and will bring very dry and hot conditions to our region through early next week. Excessive Heat Warnings and a Heat Advisory will go into effect at noon today, and will last through Monday evening in most areas. The Excessive Heat Warning will go into effect in the valley, foothills, and portions of the northern Sierra at noon Friday and is set to continue through 9pm Monday. Excessive Heat Warning will go into effect at noon Friday in Trinity and Siskiyou Counties at noon today and is set to continue through midnight Sunday. A Heat Advisory will be in effect from 2pm Friday through 9pm Monday in Modoc County and eastern Siskiyou County. Temperatures up to around 115 degrees are projected in the valley through this weekend, while we have high temperatures in the 90's to around 110 degrees in our foothill and mountain areas. Record breaking heat is projected for several cities both Saturday and Sunday during the peak of this heat wave. We have clear skies over northern California this morning, and will stay sunny through the day. Impacted air quality can be expected in our areas closest to active fires again on Friday. Shasta, Siskiyou, Modoc, and Plumas Counties will all have at least some impacts to our air quality as long as these active fires continue to burn. Winds out of the northeast to 10mph are likely during the morning hours, but we'll have south winds to 10mph this afternoon. Wind gusts up to 25mph will be possible in areas closest to the Oregon and Nevada borders again this afternoon, and that will be a concern for our fire danger. Humidity is dropping today, and is expected to bottom out in the 4 to 21 percent range this afternoon. Valley areas are projected to top out in the 107 to 113 degree range, foothill areas are expected to top out in the 94 to 104 degree range, and mountain areas will end up in the lower 90's to around 105 degrees on Friday afternoon. This is a dangerous heat event, and heat related illness will be very possible for everyone. Make sure you're drinking plenty of water, dressing for the heat, and avoiding time outdoors during our peak heat hours between 10am and 7pm.

Temperatures will get even hotter and we'll stay very dry through your weekend. Valley areas will start out in the 70's to lower 80's both days this weekend, and will top out in the 110 to 116 degree range for our afternoons. Foothill areas will start out in the 70's to mid 80's in the mornings and will top out in the 95 to 108 degree range in the afternoons, and our mountain areas will start out in the 50's to 60's and end up in the mid 90's to around 110 degrees through the weekend. High pressure to our east continue to be the dominant influence on our forecast through Monday, but will not be as strong on Monday afternoon. This will result in temperatures sliding down by a few degrees for the start of next week. Low pressure tracking into the West Coast will bring modest cooling into our forecast for the middle of next week, but temperatures will continue to trend well above average through your entire extended forecast. We'll also have very dry conditions continuing, with little to no threat of thunderstorms expected through the extended forecast. This is a concern for fire danger, but the good news is that we also do not expect to have any substantial widespread wind events on the way through our extended forecast.

Chico
Partly Cloudy
79° wxIcon
Hi: 92° Lo: 62°
Feels Like: 79°
Oroville
Clear
81° wxIcon
Hi: 92° Lo: 67°
Feels Like: 80°
Paradise
Clear
79° wxIcon
Hi: 86° Lo: 67°
Feels Like: 79°
Chester
Clear
83° wxIcon
Hi: 77° Lo: 36°
Feels Like: 81°
Red Bluff
Clear
83° wxIcon
Hi: 91° Lo: 59°
Feels Like: 81°
Willows
Clear
79° wxIcon
Hi: 94° Lo: 56°
Feels Like: 79°
Thankfully, the wind is cooperating much better today in northern California. Our weather is still quite hot for this time of year and very dry. There is plenty of haze and smoke from the Fawn Fire overhead, and it isn't leaving yet.
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