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Storm Tracker Forecast: Hot with a chance of thunderstorms today

Hot temperatures, the potential for thunderstorms, and impacted air quality are all ahead for your Tuesday. A modest dip in temperatures and mild conditions are on the way for the rest of this week.

Posted: Jul 28, 2020 6:36 AM
Updated: Jul 28, 2020 6:44 AM

The heat persists across Northern California today, and the potential for thunderstorm activity will linger in the far northern portions of our region this afternoon and evening. High pressure off to our east will be the dominant feature in your forecast today, but low pressure passing through to our southeast will continue to kick up the potential for active weather in areas to the north of Redding. Temperatures are starting out in the 60's to 70's in the valley and foothills this morning, and mountain areas have dipped into the 40's to 50's overnight. Winds are light and out of the northeast early today, but will shift to become out of the south to 10mph this afternoon. Gusts up to around 20mph will be possible in the valley later this afternoon and this evening. Humidity is projected to dip into the 15 to 30 percent range across our entire area this afternoon, and fuels are still very dry. Fire danger is mostly expected to stay in the moderate range, but could lift into the moderate to high range in portions of Shasta, Siskiyou, Modoc, and Northern Trinity Counties if the projected thunderstorms do occur later today. High temperatures are projected to be just as hot, if not a little hotter, than yesterday. Valley areas are projected to end up in the 99 to 105 degree range this afternoon, while foothill and Sierra locations top out in the low to mid 90's, and the Northern Mountains end up in the 90's to around 100 degrees later today.

Sunny skies, less active conditions, and hot temperatures are expected over the next few days. The temperature trend is not expected to change much, but we could see a slight dip in low and high temperatures from the middle to latter part of your work week, as low pressure approaches the Pacific Northwest. This could increase the onshore flow, and leave us with some modest influence from the Delta Breeze in some areas. Valley areas are projected to dip into the 60's to low 70's over the next few days, and top out in the 90's to low triple digits. Foothilll areas will dip into the 60's to 70's and end up in the high 80's to low 90's for the rest of this work week, and mountain areas will start out in the 40's to 50's and end up in the 80's to 90's from Wednesday through Friday.

High pressure will build across Northern California from the Desert Southwest this weekend, and that is expected to result in an uptick in temperatures. Overnight low temperatures will stay in the same range as the next few days this weekend, but high temperatures will end up a couple of degrees hotter. Valley areas are expected to range from around 98 to 104 degrees on Saturday and Sunday, whlie foothill and Sierra locations end up in the low to mid 90's through your weekend. The Northern Mountains will mostly end up in the low to mid 90's this weekend, but parts of Trinity County could see high temperatures in the high 90's to around 100 degrees for both Saturday and Sunday. Skies will be sunny, and there is currently not much of a chance for thunderstorm activity returning in your extended forecast.

California Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 790096

Reported Deaths: 15056
CountyConfirmedDeaths
Los Angeles2614466366
Riverside574191162
San Bernardino52649908
Orange522011128
San Diego44925760
Kern31509354
Fresno27769355
Sacramento21628383
Alameda20641374
Santa Clara20511297
San Joaquin19841415
Stanislaus16351337
Contra Costa15958201
Tulare15599256
Ventura12406143
Imperial11583314
San Francisco1080799
San Mateo9598143
Monterey955067
Santa Barbara8880110
Merced8750134
Kings743077
Sonoma7112114
Marin6591112
Solano617555
Madera439162
Placer348841
San Luis Obispo339327
Butte276435
Yolo275454
Santa Cruz22188
Sutter164210
Napa162613
San Benito131011
Yuba11187
El Dorado10734
Mendocino85118
Lassen7350
Shasta70914
Glenn5503
Nevada5116
Colusa5106
Tehama5094
Lake49210
Humboldt4856
Calaveras31114
Amador28616
Tuolumne2214
Inyo18714
Mono1652
Siskiyou1610
Del Norte1361
Mariposa752
Plumas490
Modoc240
Trinity150
Sierra60
Alpine20
Unassigned00
Chico
Broken Clouds
86° wxIcon
Hi: 88° Lo: 58°
Feels Like: 86°
Oroville
Clear
89° wxIcon
Hi: 88° Lo: 60°
Feels Like: 89°
Paradise
Broken Clouds
86° wxIcon
Hi: 81° Lo: 59°
Feels Like: 86°
Chester
Clear
75° wxIcon
Hi: 75° Lo: 46°
Feels Like: 75°
Red Bluff
Clear
83° wxIcon
Hi: 87° Lo: 59°
Feels Like: 83°
Willows
Broken Clouds
86° wxIcon
Hi: 92° Lo: 55°
Feels Like: 86°
A small trough of low pressure moved over the Pacific Northwest on this first day of autumn, and it brought more gusty wind and an improvement to the air quality for most of us. The breezes will continue through the week, and other changes are coming soon.
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