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Cecilville, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 18 Miles NE Denny CA
National Weather Service Forecast for: 18 Miles NE Denny CA
Issued by: National Weather Service Medford, OR
Updated: 2:24 pm PDT Aug 12, 2025
 
This
Afternoon
This Afternoon: Sunny, with a high near 95. Northwest wind around 10 mph.
Sunny
Tonight

Tonight: Clear, with a low around 65. West northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.
Clear
Wednesday

Wednesday: Sunny, with a high near 91. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Clear, with a low around 61. Northwest wind 5 to 10 mph becoming light and variable  in the evening.
Clear
Thursday

Thursday: Sunny, with a high near 86. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Sunny
Thursday
Night
Thursday Night: Clear, with a low around 58.
Clear
Friday

Friday: Sunny, with a high near 80.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 58.
Mostly Clear
Saturday

Saturday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 79.
Slight Chance
T-storms
Hi 95 °F Lo 65 °F Hi 91 °F Lo 61 °F Hi 86 °F Lo 58 °F Hi 80 °F Lo 58 °F Hi 79 °F

Extreme Heat Warning
 

This Afternoon
 
Sunny, with a high near 95. Northwest wind around 10 mph.
Tonight
 
Clear, with a low around 65. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Sunny, with a high near 91. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Wednesday Night
 
Clear, with a low around 61. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
 
Sunny, with a high near 86. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Thursday Night
 
Clear, with a low around 58.
Friday
 
Sunny, with a high near 80.
Friday Night
 
Mostly clear, with a low around 58.
Saturday
 
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 79.
Saturday Night
 
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 58.
Sunday
 
Mostly sunny, with a high near 79.
Sunday Night
 
Partly cloudy, with a low around 56.
Monday
 
Sunny, with a high near 81.

 

Forecast from NOAA-NWS for 18 Miles NE Denny CA.

Weather Forecast Discussion
280
FXUS66 KMFR 122124
AFDMFR

Area Forecast Discussion
National Weather Service Medford OR
224 PM PDT Tue Aug 12 2025

.DISCUSSION...An upper level ridge remains in control of conditions
over northern California and southern Oregon this afternoon,
supporting another day of hazardous daytime high temperatures in low-
lying areas. Extreme Heat Warnings remain in place for the Shasta,
Scott, and Klamath River valleys in Siskiyou County as well as for
the Rogue, Applegate, and Illinois valleys in Jackson and Josephine
counties. Heat Advisories remain in place across parts of Douglas,
Modoc, southern Klamath, and eastern Siskiyou counties. These
products remain in place through tonight. Other areas continue to
see above seasonal temperatures as well.

Wednesday brings a pattern change to the area. An upper trough will
help to cool daytime highs by 5 to 10 degrees for most areas, ending
hazardous levels of heat. Temperatures remain above seasonal norms,
so individuals sensitive to heat may still want to remain cautious
when going outside. Upper instability moving with the trough is
expected to cause breezy conditions, especially over elevated
terrain.

Dry and breezy conditions today and on Wednesday are bringing
elevated fire weather concerns. Please see the Fire Weather
discussion for additional details.

Daytime highs cool to seasonal levels on Thursday, and look to
remain there through the weekend and into next week. A low pressure
system settling into the Gulf of Alaska will bring zonal flow to end
the week, with flow turning southwest through the weekend. An
atmospheric river looks to point at the area on Friday and Saturday,
bringing possible precipitable water values of 1.5-2.0". In the
absence of a significant forcing mechanism, this moisture and
onshore flow will bring rainfall chances to the Oregon coast and
lesser chances to inland areas. Amounts are overall expected to be
light, with 0.1 to 0.3 inches of rainfall over the coast through
both Friday and Saturday. Inland rainfall will generally be measured
in the hundreths through those two days.

For Sunday and beyond, the atmospheric river moves to the south and
upper flow turns more southwesterly. Rainfall chances across the
area will decrease, but chances of afternoon and evening
thunderstorms may be in the forecast. Forcing beyond convective
heating is not currently in the forecast, so any activity would
likely be isolated and is unlikely to be severe given current
guidance. -TAD


&&

.AVIATION...12/18Z TAFs...Marine stratus is just barely clinging to
North Bend, with ceilings nearly clear but MVFR visibilities
remaining under areas of fog. North Bend should see a period of VFR
conditions into the afternoon before marine stratus rebuilds. LIFR
or LIFR levels are expected along the coast through the end of the
TAF period once the layer is in place.

Inland areas will see VFR levels through the TAF period. Periods of
gusty winds are possible this afternoon, but winds should ease into
the evening. -TAD

&&

.MARINE...Updated 200 PM PDT Tuesday, August 12, 2025...Advisory
level seas will linger in outer waters through tonight, due to
ongoing north winds and residual steep seas. The thermal trough
rebuilds briefly Wednesday into Thursday, spreading gusty north
winds and steep seas to all of the coastal waters, with the
strongest winds and steepest seas south of Cape Blanco. Broad upper
level troughing arrives late in the week, disrupting the thermal
trough pattern and allowing conditions to become relatively calm
through the weekend.  -BPN

&&

.FIRE WEATHER...Updated 200 PM PDT Tuesday, August 12,
2025...Another day of hot temperatures, though slightly cooler than
the last two days, and dry conditions is expected today. Extreme
Heat Warnings and Heat Advisories remain in effect through late
tonight. A cooling trend is expected from Wednesday onward as the
pattern transitions back to being dominated by an upper level trough.

The pattern begins transitioning today as the upper ridge moves
westward and allows a dry front to pass through the region today
into Wednesday. This will bring gusty winds to the region both today
and Wednesday, and with low daytime RHs, this will lead to critical
fire weather conditions across portions of the area. A Red Flag
Warning is in effect from 2p-8p today for gusty winds/low RH for
portions of Fire Weather Zones (FWZs) 620/622/624. Similar
conditions are expected again on Wednesday, and the Fire Weather
Watch has been upgraded to a Red Flag Warning for the same areas and
same time. Isolated critical conditions are possible across FWZs
280/285/625, but at this time, it looks like winds will remain just
below criteria for those zones. While breezy winds will continue
into Thursday, improving trends in temperatures and RHs will limit
the extent of critical fire weather conditions.

Friday into the weekend, low pressure in the Gulf of Alaska will
maintain gusty winds in the region, but also send a wetter front
through the area. This system looks quite similar to the one that
moved through the Pacific Northwest early last week, but
precipitation chances extend farther south comparatively so. Our
region will still be on the tail end of this front so we don`t
expect much precipitation for inland locations. That said, there are
fairly high chances (40-70%) for measurable precipitation along the
coast and into the Umpqua Basin, with around a 20-30% chance for the
Rogue/Illinois/Applegate Valleys. Precipitation chances drop off
considerably for areas farther south and east. Again, we don`t
expect a soaking rain, but there`s currently a 40-60% chance for
0.10" and 20-30% chance for 0.25" along the coast north of Cape
Blanco and into the Umpqua Basin for late Friday into Saturday.
South of the Umpqua Divide, chances for even a 0.10" drop to 20-30%.
At the very least, we`ll see increased cloud cover, increased
daytime humidities and below normal temperatures over the weekend
which will limit fire weather concerns.

There`s some indications for thunderstorm concerns on Saturday and
Sunday along/east of the Cascades and across northern California. At
this time, convective parameters don`t look overly impressive, but
we`ll continue to monitor model trends and make adjustments to the
forecast as needed. /BR-y

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...Extreme Heat Warning until 2 AM PDT Wednesday for ORZ024-026.

     Heat Advisory until 2 AM PDT Wednesday for ORZ023-029.

     Red Flag Warning until 8 PM PDT this evening for ORZ620-622.

     Red Flag Warning until 8 PM PDT this evening for ORZ624.

CA...Extreme Heat Warning until 2 AM PDT Wednesday for CAZ080-081.

     Heat Advisory until 2 AM PDT Wednesday for CAZ082>085.

PACIFIC COASTAL WATERS...Small Craft Advisory from 2 AM Wednesday to
     11 PM PDT Thursday for PZZ356.

     Small Craft Advisory from 2 AM Wednesday to 5 AM PDT Thursday
     for PZZ350.

     Small Craft Advisory until 5 AM PDT Thursday for PZZ370.

     Small Craft Advisory until 11 PM PDT Thursday for PZZ376.

&&

$$

TAD/MNF/BPN
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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