Pasco, Virginia 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Pasco WA
National Weather Service Forecast for:
Pasco WA
Issued by: National Weather Service Pendleton, OR |
Updated: 11:27 pm PDT Jun 5, 2025 |
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Overnight
 Partly Cloudy
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Friday
 Decreasing Clouds
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Friday Night
 Mostly Clear
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Saturday
 Sunny
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Saturday Night
 Mostly Clear
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Sunday
 Hot
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Sunday Night
 Clear
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Monday
 Hot
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Monday Night
 Mostly Clear
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Lo 60 °F |
Hi 93 °F |
Lo 63 °F |
Hi 94 °F |
Lo 65 °F |
Hi 99 °F |
Lo 67 °F |
Hi 103 °F |
Lo 69 °F |
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Overnight
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Partly cloudy, with a low around 60. Light southwest wind. |
Friday
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Mostly cloudy, then gradually becoming sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. |
Friday Night
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Mostly clear, with a low around 63. Southwest wind 5 to 9 mph. |
Saturday
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Sunny, with a high near 94. Light and variable wind becoming southwest around 5 mph in the afternoon. |
Saturday Night
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Mostly clear, with a low around 65. North wind around 5 mph becoming light and variable in the evening. |
Sunday
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Sunny and hot, with a high near 99. |
Sunday Night
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Clear, with a low around 67. |
Monday
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Sunny and hot, with a high near 103. |
Monday Night
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Mostly clear, with a low around 69. |
Tuesday
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Mostly sunny and hot, with a high near 99. |
Tuesday Night
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Partly cloudy, with a low around 63. |
Wednesday
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Sunny, with a high near 92. |
Wednesday Night
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Partly cloudy, with a low around 56. |
Thursday
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Sunny, with a high near 84. |
Forecast from NOAA-NWS
for Pasco WA.
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Weather Forecast Discussion
606
FXUS66 KPDT 060535
AFDPDT
Area Forecast Discussion
National Weather Service Pendleton OR
1035 PM PDT Thu Jun 5 2025
Updated Aviation Discussion...
.AVIATION...06Z TAFs...VFR conditions to prevail through the
period. SCT CIGs AOA 25kft AGL will increase across all sites
overnight, then becoming few or skc tomorrow afternoon. Winds will
be light, 12kts or less, at most sites through the period...except
site DLS where winds will become 12-20kts with gusts around 25kts
developing around 18Z. A periodic gust to around 20kts will also
be possible at sites RDM/BDN after 20Z. Lawhorn/82
PREV DISCUSSION... /issued 127 PM PDT Thu Jun 5 2025/
.SHORT TERM...Today through Saturday...Another quiet day is upon
us as dry northerly flow prevails over the PacNW, leading to
mostly clear skies and seasonable temperatures. A building high
pressure system over the north Pacific will lead to an amplified
NW flow pattern that in turn will make for gusty conditions
through the Cascade Gaps during the day Friday. Guidance suggests
gusts through the Columbia River Gorge and Kittitas Valley could
eclipse 30 mph. As this high pressure system moves onshore,
attention will shift toward that of our first heat wave of the
summer.
Not much else to speak of weather-wise until the heat really starts
to build in on Sunday. Temps will be noticeably warmer on Saturday
with highs in the lowlands reaching well into the 90s, but we will
see some overnight relief, as we`re early enough in the warm season
that low temps are expected to bottom out into the 50s and low 60s,
lessening the severity of this upcoming heat spell. Evans/74
.LONG TERM...Sunday through Thursday...Sunday and Monday continue
to be the warmest days of the period according to guidance as
strong high pressure persists over the region. NBM has nudged
temps upward a degree or two on Monday, with widespread highs
above 100 across the lower Basin, potentially spreading into the
Yakima and Walla Walla Valleys as well. NBM probabilistic
currently suggests about a 50-70% chance for highs to exceed 100
degrees on Monday for the lower Basin, and 40-50% for the other
areas mentioned. Elsewhere across the lowlands, highs look to
easily reach the mid to upper 90s. A bit too early for headlines
on this brief heat wave for now, but it`s looking increasingly
likely that Heat Advisories will be needed Sunday and Monday,
especially given the fact that it`s only early June.
Both the deterministic GFS and ECMWF depict ridge breakdown
occurring during the latter half of Monday, with a pair of weak
shortwaves circulating through the region Tuesday into Wednesday.
This pattern is prime for dry thunderstorms across our eastern
mountains, so did make sure to include mention of it in the forecast
for at least Monday and Tuesday afternoon (PoPs 15-20%), which the
NBM does seem to pick up on in some isolated spots this far out,
further increasing confidence. Fuels at the higher elevations are
not quite at critical levels, but isolated storms spilling out into
the nearby foothills could potentially lead to critical conditions,
depending on whether or not such zones are declared ready for
wildfire season. Will be something to keep an eye on in the coming
days.
Afterwards, Wednesday onward, ensemble clustering broadly suggests a
cool, troughing pattern, reversing the heat expected this weekend.
The overall synoptic pattern is progressive enough to hinder
confidence (only around 40% at this time), but models do suggest
cooler temperatures by the end of next week, with lowland highs
closer to low 80s and even 70s. Evans/74
&&
.PRELIMINARY POINT TEMPS/POPS...
PDT 55 90 58 91 / 0 0 0 0
ALW 59 88 62 89 / 0 0 0 0
PSC 56 93 59 94 / 0 0 0 0
YKM 59 92 59 93 / 0 0 0 0
HRI 55 93 59 95 / 0 0 0 0
ELN 58 87 58 92 / 0 0 0 0
RDM 45 86 49 92 / 0 0 0 0
LGD 50 83 54 87 / 0 0 0 0
GCD 48 85 53 91 / 0 0 0 0
DLS 61 90 60 93 / 0 0 0 0
&&
.PDT WATCHES/WARNINGS/ADVISORIES...
OR...None.
WA...None.
&&
$$
SHORT TERM...74
LONG TERM....74
AVIATION...82
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