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Biggs, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 8 Miles SW Thermalito CA
National Weather Service Forecast for: 8 Miles SW Thermalito CA
Issued by: National Weather Service Sacramento, CA
Updated: 10:21 pm PDT Aug 10, 2025
 
Overnight

Overnight: Clear, with a low around 67. South southeast wind 3 to 6 mph.
Clear
Monday

Monday: Sunny and hot, with a high near 102. Calm wind becoming south around 6 mph in the afternoon.
Hot
Monday
Night
Monday Night: Clear, with a low around 66. South southeast wind around 7 mph.
Clear
Tuesday

Tuesday: Sunny and hot, with a high near 97. South wind 3 to 7 mph.
Hot
Tuesday
Night
Tuesday Night: Clear, with a low around 61. South southeast wind 7 to 9 mph.
Clear
Wednesday

Wednesday: Sunny, with a high near 92.
Sunny
Wednesday
Night
Wednesday Night: Clear, with a low around 59.
Clear
Thursday

Thursday: Sunny, with a high near 91.
Sunny
Thursday
Night
Thursday Night: Clear, with a low around 61.
Clear
Lo 67 °F Hi 102 °F Lo 66 °F Hi 97 °F Lo 61 °F Hi 92 °F Lo 59 °F Hi 91 °F Lo 61 °F

 

Overnight
 
Clear, with a low around 67. South southeast wind 3 to 6 mph.
Monday
 
Sunny and hot, with a high near 102. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
 
Clear, with a low around 66. South southeast wind around 7 mph.
Tuesday
 
Sunny and hot, with a high near 97. South wind 3 to 7 mph.
Tuesday Night
 
Clear, with a low around 61. South southeast wind 7 to 9 mph.
Wednesday
 
Sunny, with a high near 92.
Wednesday Night
 
Clear, with a low around 59.
Thursday
 
Sunny, with a high near 91.
Thursday Night
 
Clear, with a low around 61.
Friday
 
Sunny, with a high near 90.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Sunny, with a high near 87.
Saturday Night
 
Clear, with a low around 59.
Sunday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for 8 Miles SW Thermalito CA.

Weather Forecast Discussion
267
FXUS65 KPSR 110520
AFDPSR

Area Forecast Discussion
National Weather Service Phoenix AZ
1020 PM MST Sun Aug 10 2025

.UPDATE...Updated Aviation Discussion

&&

.KEY MESSAGES...

- Above normal highs and warm overnight lows will continue to
  yield widespread Moderate to localized Major HeatRisk through
  early this week.

- Major HeatRisk will be concentrated particularly over the
  central AZ lower deserts, the Lower Colorado River Valley, and
  Imperial Valley where Extreme Heat Warnings remain in effect
  through Tuesday evening.

- Chances for showers and thunderstorms will continue to remain quite
  limited through the first half of this week, generally favoring
  the eastern Arizona high terrain.

- Increasing moisture by late week will result in better coverage
  of thunderstorm activity across much of the region including
  the lower deserts

&&

.SHORT TERM /Today through Tuesday/...
The latest objective analysis shows the 850-300mb mean flow out
of the north to northwest in response to a large trough situated
over the central CONUS and a ridge repositioning over northern CA.
Another round of thunderstorm activity is expected to develop
over the Mogollon Rim this afternoon and steered southward towards
portions of southern Gila County and possibly into northern
Maricopa County. As the activity attempts to descend into the
lower elevations, it will be on a weakening trend due to strong
convective inhibition present across the lower deserts. However,
even though the activity will be on a weakening trend, some gusty
outflow winds may still affect the area. Based on the latest HREF,
with chances of gusts of 35+ mph is at 10-30% across the lower
deserts of south-central AZ and near 50% across the higher
elevations to the east of Phoenix. Another area that may see an
isolated thunderstorm this afternoon is across Joshua Tree
National Park as enough moisture combined with orographic lift
will result in conditions favorable for isolated development.

Heading into Monday and Tuesday, the northerly flow aloft will
result in a decrease in the overall moisture content and thus
thunderstorm coverage will become more isolated, with the best
chances confined across the eastern and southeastern third of
AZ. As the upper-level ridge strengthens slightly, resulting in a
slight increase in heights aloft, temperatures will be on the
slight increase as well with afternoon highs ranging between
108-112F across the south-central AZ lower deserts and 110-115F
across the western deserts. These high temperatures in combination
with warm overnight lows will result in areas of Major HeatRisk to
continue, particularly over the lower-deserts of south-central AZ
as well as across the Lower Colorado River Valley and Imperial
Valley with Extreme Heat Warnings remaining in effect through
Tuesday evening.

&&

.LONG TERM /Wednesday through Saturday/...
Starting Wednesday, ensemble guidance continues to indicate a
trough entering the Pacific Northwest while the ridge over the
Great Basin begins to weaken and shift eastward toward the Four
Corners area. This will allow a more favorable E-SE flow to set up
over the forecast region. Despite some model uncertainty between
the EPS and GEFS regarding timing of the better moisture return,
the overall trends during the latter half of next week favor
increasing moisture (PWATs reaching 1.4"-1.6") followed by a
return of monsoon rain chances by the Thursday through Saturday
timeframe. NBM PoPs continue to trend upward by the latter part of
this week, peaking around 20-40% across the lower deserts on
Thursday and Friday. Due to the increasing moisture, a cooling
trend is expected to transpire from Wednesday-Saturday, with highs
falling back into the normal range by next weekend.

&&

.AVIATION...Updated at 0520Z.

South Central Arizona including KPHX, KIWA, KSDL, and KDVT:

Smoke from SOCAL wildfires continue to cause slantwise visibility
issues late morning/afternoon, with visibilities expected to
remain at or above 6SM. Any diurnal windshift early this morning
could be subtle and more light and variable with general
directions out of the east-southeast shifting back to a westerly
flow around 18Z today with occasional afternoon/evening gusts near
20 kts.

Southeast California/Southwest Arizona including KIPL and KBLH:

No aviation weather concerns are expected over the next 24 hours
under generally clear skies. Winds at KIPL will generally remain
out of the east-southeast through Monday evening, while KBLH will
continue to see more southerly winds.

&&

.FIRE WEATHER...
Above normal temperatures will continue through the middle of this
week. There will continue to daily thunderstorm activity over the
high terrain through the first half of the week followed by a better
potential for scattered showers and thunderstorms across much of
the region late in the week. Chances of wetting rainfall will
remain below 10% over the next few days, resulting in potential
for dry lightning and new fire starts. Minimum afternoon humidity
levels will mostly range between 15-20% with fair to good
overnight recoveries. Winds will retain an afternoon upslope
component with gusts to 15-20 mph common.

&&

.PSR WATCHES/WARNINGS/ADVISORIES...
AZ...Extreme Heat Warning until 8 PM MST Tuesday for AZZ530-532-534-
     537>544-546-548>551-553>555-559.

CA...Extreme Heat Warning until 8 PM PDT Tuesday for CAZ562-563-566-
     567-569-570.

&&

$$

SHORT TERM...Lojero
LONG TERM...Salerno
AVIATION...95
FIRE WEATHER...Salerno
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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