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Strom Tracker Forecast: Big changes this week

Warm & hazy today but big changes on the way Friday & Saturday with possible rain and highs in the 70s, possibly even in the 60s.

Posted: Oct 5, 2020 10:24 PM
Updated: Oct 6, 2020 6:36 AM

Today is still smoky for many causing unhealthy air quality across the valley and some mountain areas. It has also been warmer today with 90s in the valley. A ridge of high pressure remains over us with plenty of sunshine.

Tuesday we'll stay in the tlow-90s with light winds. Very little change from Monday.

Wednesday will see the big anticipated cooling trend start. It will be mostly sunny with highs in the 80s. The ridge of high pressure will be weakening allowing for coolin air to rush in on Thursday.

Thursday, a deep trough of low pressure will be off of the West Coast. This brings partly to mostly cloudy skies to our region on Thursday and keeps highs in the mid-to-upper 70s. Thursday will also be a bit breezy ahead of the system, before in comes in on Friday and Saturday.

Friday & Saturday are the big weather days to watch. Weather models currently do not agree on the rain outcomes.

The GFS (Ameican) model has a low pressure system making landfall south of the Bay Area on Friday. This would leave us dry on Friday. but still quite cool with highs near 70. Saturday, a second system from the northwest will come in with a cold front. Keeping us cool in the low-70s to upper-60s in the valley and providng showers to the mountains and very light to no drizzle in the valley.

The ECMWF (European) model has a low pressure system making landfall in NorCal on Friday, somewhere near Humboldt county. This would bring showers for everyone on Friday and keep us cool, in the low-70s. Saturday, a second system from the northwest will come in with a cold front. Keeping us cool in the low-70s to upper-60s in the valley and providng showers to the mountains and for the valley.

Hopefully these 2 different outcomes will become more in agreement tomorrow or Wednesday that way there is more confidence in the forecast for rain. It is something to watch closely.

On Sunday after the system we see more sunshine and breezy conditions. We get close to the 80s by Monday.

California Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 923648

Reported Deaths: 17559
CountyConfirmedDeaths
Los Angeles3050707044
Riverside675521306
San Bernardino641311073
Orange594421468
San Diego55898885
Kern34114420
Fresno31195439
Sacramento25882499
Santa Clara24665404
Alameda23636463
San Joaquin21988492
Contra Costa18877243
Stanislaus17814400
Tulare17730291
Ventura14409166
Imperial13023338
San Francisco12277145
Monterey1153892
San Mateo11278159
Santa Barbara9886126
Sonoma9601136
Merced9588155
Kings848683
Solano758676
Marin7107127
Madera506676
Placer429059
San Luis Obispo424032
Yolo325060
Butte313453
Santa Cruz284825
Shasta199931
Napa199816
Sutter188912
San Benito144915
El Dorado13684
Yuba133810
Mendocino115421
Tehama9219
Lassen7711
Lake70216
Glenn6793
Nevada6328
Humboldt56910
Colusa5536
Calaveras34721
Amador33716
Tuolumne2855
Inyo24015
Siskiyou2140
Mono1822
Del Norte1801
Mariposa812
Plumas760
Modoc450
Trinity280
Sierra60
Alpine40
Unassigned00
Chico
Overcast
63° wxIcon
Hi: 80° Lo: 47°
Feels Like: 63°
Oroville
Clear
57° wxIcon
Hi: 80° Lo: 47°
Feels Like: 57°
Paradise
Overcast
63° wxIcon
Hi: 75° Lo: 53°
Feels Like: 63°
Chester
Few Clouds
41° wxIcon
Hi: 69° Lo: 40°
Feels Like: 38°
Red Bluff
Clear
51° wxIcon
Hi: 81° Lo: 48°
Feels Like: 51°
Willows
Overcast
63° wxIcon
Hi: 81° Lo: 46°
Feels Like: 63°
We're closing out the month of October on a beautiful note weather-wise over northern California with plenty of sunshine and above-average temperatures. Halloween will bring slightly warmer temperatures and more sunshine.
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