Mostly cloudy, with a low around 26. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Forecast discussion
570
FXUS66 KOTX 292331
AFDOTX
Area Forecast Discussion
National Weather Service Spokane WA
431 PM PDT Tue Apr 29 2025
.KEY MESSAGES...
-Breezy winds for central Washington Tuesday.
-Widespread rain followed by showers and isolated thunderstorms
for northeast Washington and north Idaho Tuesday afternoon.;
-Temperatures trending warmer through Friday. Minor risk for
heat related illness Thursday and Friday.
&&
.SYNOPSIS...
A weather system will bring showers and isolated thunderstorms
across northeast Washington and north Idaho Tuesday afternoon.
Warmer and drier weather returns Wednesday through Friday.
Another weather system brings additional chances for rain and
cooler temperatures to the region by Saturday.
&&
.DISCUSSION...
Today through Friday: Showers will continue through the afternoon
and into the evening hours as a shortwave trough shifts into
central MT this afternoon. With surface based instability around
100-300 J/kg, these storms are expected to stay fairly weak. With
PWATs around 60-90% of normal and decreasing winds tonight, there
could be some patchy frost in the sheltered valleys of northeast
Washington and north Idaho tonight. Temperatures tomorrow warm
into the upper 60s and low 70s as a high pressure ridge builds.
With that winds will decrease tomorrow and so will the showery
conditions. Temperatures Thursday will be in the 70s and low 80s
as the ridge continues to build. They will peak Friday in the
upper 70s to upper 80s before crashing Saturday.
Saturday through Tuesday: The next wave of precipitation arrives
Friday night as a wave dives south towards California. With deep
southerly flow, much of the area has a chance to see some rain.
Amounts do not look very impressive however. Generally expecting
somewhere between a few hundreths to 0.25" by Saturday afternoon.
Temperatures will be much cooler in the 60s. By Sunday, the INW
will be left in a saddle pattern, favoring showery conditions in
the mountains, and gusty winds. Temperatures will warm back into
the 70s Monday and Tuesday as another ridge starts to build.
&&
.AVIATION...
00Z TAFS: For the first few hours of the TAF period, all sites
will be gusting to ~25 kts. By 02/03Z, weather will be quiet
with widespread VFR conditions and light winds through the 24 hr
TAF period. Isolated convective showers will be possible this
afternoon in the northern Idaho panhandle and far eastern
Washington.
FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence
in VFR conditions at TAF sites through the period. Low
confidence in convective showers impacting any TAF sites due to
their isolated nature.
&&
.Preliminary Point Temps/PoPs...
Spokane 35 64 38 70 42 70 / 0 0 0 0 0 20
Coeur d`Alene 32 63 35 68 40 69 / 0 0 0 0 10 20
Pullman 32 61 35 67 42 66 / 0 0 0 0 0 20
Lewiston 38 68 41 73 45 73 / 0 0 0 0 0 20
Colville 29 64 34 70 37 70 / 0 0 0 0 0 10
Sandpoint 32 61 36 67 39 67 / 0 0 0 0 10 10
Kellogg 35 61 38 65 42 66 / 0 0 0 10 10 20
Moses Lake 34 69 38 75 46 73 / 0 0 0 0 0 10
Wenatchee 39 67 43 72 47 70 / 0 0 0 0 0 20
Omak 36 66 39 73 43 73 / 0 0 0 0 0 20
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
WA...Frost Advisory until 9 AM PDT this morning for Lower Garfield
and Asotin Counties-Moses Lake Area-Wenatchee Area.
ID...Frost Advisory until 9 AM PDT this morning for Lewiston Area.
&&
$$
Nearest avalanche forecast regions
East Slopes North
27mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
West Slopes North
28mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
West Slopes Central
55mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
Stevens Pass
68mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
East Slopes Central
69mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
Snoqualmie Pass
95mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
Olympics
137mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
East Slopes South
138mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.
West Slopes South
147mi away by Northwest Avalanche Center
No Rating - Watch for signs of unstable snow such as recent avalanches, cracking in the snow, and audible collapsing. Avoid traveling on or under similar slopes.