Special Weather Statement, NWS Spokane, WA

Area Forecast Discussion
National Weather Service Spokane WA
1046 AM PDT Thu Aug 7 2025

.KEY MESSAGES...

- Cooler with showers and thunderstorms for Thursday. Stronger
  thunderstorms over southeast WA and central/southern ID
  panhandle.

- Drying and warming trend this weekend into next week.

&&

.SYNOPSIS...
The next system is expected mid morning on Thursday, bringing
showers and thunderstorms and cooler temperatures, with highs
mainly in the 70s. More typical summer weather returns this
weekend into early next week, with temperatures rising back into
the 80s and 90s.

&&

.DISCUSSION...
Today and Tonight: Yesterdays wave is still pushing through the
Idaho Panhandle and bringing showers and isolated
thunderstorms. Another wave is right on its heels. It will be
dropping in from BC. It is expected to bring another round of
showers and thunderstorms to the Cascades, northern mountains,
and Idaho Panhandle. The rain amounts range (25-75 percentiles)
for these areas is 0.25-0.5". Areas of Eastern Washington from
Deer Park and Spokane could see a couple hundredths to a quart
of an inch of rain. Pullman area has trended higher with half
an inch possible. NBM continues to highlight potential thunder
with these showers with around 20-40% chance. Best chances are
Northeast Washington and Idaho Panhandle. Parameters are
pointing to potentially stronger storms than yesterday. Outflow
winds of 40+ mph, half inch hail, and heavy rainfall are
potential impacts. The system exits overnight. Highs will be in
the upper 70s and 80s. Lows will be in the 50s.

Friday through Tuesday: The system is expected to be out of the
area by Friday morning. High pressure off the coast will bring
a broad ridge extending into southern BC. It will bring a
warming, dry trend to the region through the middle of next
week. Highs will climb back into the 80s and low 90s. JDC

&&

.AVIATION...
18Z TAFS: Primarily VFR conditions expected through the period.
A system will move across the region today with scattered
showers and thunderstorms. Chances develop in the next few hours
for KMWH-KGEG-KSFF-KCOE-KPUW-KWLS for some -tsra. Some of the
thunderstorms could be strong, with brief heavy rain, gusty
winds and small hail. Additionally, gusty winds will be found
this afternoon, especially near the Cascades.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS:
High confidence for VFR conditions. Moderate confidence in
thunderstorms this afternoon.

-----------------------

Confidence descriptors:
Low - Less than a 30 percent chance
Moderate - 30 to 70 percent chance
High - Greater than a 70 percent chance

For additional probabilistic information for NWS Spokane
airports, please refer to the Aviation Dashboard on our webpage:
https:/weather.gov/otx/avndashboard

&&

.Preliminary Point Temps/PoPs...
Spokane        74  51  81  56  87  59 /  70  10   0   0   0   0
Coeur d'Alene  73  51  80  56  85  57 /  70  30  10   0   0   0
Pullman        71  46  76  50  82  53 /  50  20   0   0   0   0
Lewiston       80  55  85  60  90  62 /  40  20   0   0   0   0
Colville       72  41  82  47  88  49 /  80  10   0   0   0   0
Sandpoint      70  46  76  51  83  52 /  70  20  10   0   0   0
Kellogg        69  51  74  57  82  59 /  90  30  10   0   0   0
Moses Lake     78  49  85  55  90  59 /  20   0   0   0   0   0
Wenatchee      78  57  87  63  91  67 /  20   0   0   0   0   0
Omak           80  54  88  59  92  62 /  40  10   0   0   0   0

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
WA...None.
ID...None.

&&

Special Weather Statement
National Weather Service Spokane WA
1256 PM PDT Thu Aug 7 2025

WAZ035-072030-
Upper Columbia Basin WA-
1256 PM PDT Thu Aug 7 2025

...A strong thunderstorm will impact portions of southwestern Lincoln
and northeastern Grant Counties through 130 PM PDT...

At 1255 PM PDT, Doppler radar was tracking a strong thunderstorm 23
miles east of Banks Lake South, moving east at 20 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of southwestern
Lincoln and northeastern Grant Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4746 11899 4765 11889 4760 11841 4737 11861
TIME...MOT...LOC 1955Z 286DEG 18KT 4755 11880

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

AS

Preliminary Local Storm Report
National Weather Service Spokane WA
100 PM PDT Thu Aug 7 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1248 PM     Flood            7 NW Nespelem           48.24N 119.08W
08/07/2025                   Okanogan           WA   Emergency Mngr

            Rushing water along and across the roadway
            at MP 52 on state hwy 155 southbound lane.

&&

CD

Special Weather Statement
National Weather Service Spokane WA
102 PM PDT Thu Aug 7 2025

WAZ037-072030-
Northeast Mountains WA-
102 PM PDT Thu Aug 7 2025

...A strong thunderstorm will impact portions of central Stevens
County through 130 PM PDT...

At 102 PM PDT, Doppler radar was tracking a strong thunderstorm 9
miles southwest of Chewelah, moving east at 10 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Chewelah.

This includes U.S. Highway 395 in Washington between mile markers 210
and 215.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4819 11798 4829 11802 4837 11778 4818 11771
TIME...MOT...LOC 2002Z 253DEG 11KT 4824 11792

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

AS

Special Weather Statement
National Weather Service Spokane WA
113 PM PDT Thu Aug 7 2025

WAZ034-035-072045-
Moses Lake Area WA-Upper Columbia Basin WA-
113 PM PDT Thu Aug 7 2025

...Strong thunderstorms will impact portions of western Adams,
southwestern Lincoln and southeastern Grant Counties through 145 PM
PDT...

At 113 PM PDT, Doppler radar was tracking strong thunderstorms along
a line extending from 14 miles north of Warden to 8 miles northwest
of Othello. Movement was south at 20 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Moses Lake, Othello, Warden, McDonald, Moody, Sieler, Ruff, Schrag,
and Wheeler.

This includes Interstate 90 in Washington between mile markers 181
and 204.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4695 11941 4729 11896 4700 11860 4674 11921
      4674 11923
TIME...MOT...LOC 2013Z 340DEG 17KT 4717 11897 4692 11930

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

AS

Special Weather Statement
National Weather Service Spokane WA
114 PM PDT Thu Aug 7 2025

IDZ027-072100-
Lewis and Southern Nez Perce Counties ID-
114 PM PDT Thu Aug 7 2025

...A strong thunderstorm will impact portions of northeastern Lewis
County through 200 PM PDT...

At 114 PM PDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of Nezperce, or 16 miles southwest of Kamiah, moving
northeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Kamiah, Nezperce, Mohler, and Pardee.

This includes the following highways...
 U.S. Highway 95 in Idaho between mile markers 269 and 270.
 U.S. Highway 12 in Idaho between mile markers 55 and 60.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4614 11650 4642 11631 4641 11629 4635 11615
      4626 11609 4623 11601 4621 11605 4621 11615
      4615 11620 4617 11625 4617 11630 4619 11633
      4620 11643 4613 11649
TIME...MOT...LOC 2014Z 217DEG 22KT 4613 11634

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Butler

Special Weather Statement
National Weather Service Spokane WA
116 PM PDT Thu Aug 7 2025

IDZ001-WAZ037-072045-
Northern Panhandle ID-Northeast Mountains WA-
116 PM PDT Thu Aug 7 2025

...A strong thunderstorm will impact portions of south central
Boundary, northwestern Bonner and eastern Pend Oreille Counties
through 145 PM PDT...

At 116 PM PDT, Doppler radar was tracking a strong thunderstorm near
Nordman, moving northeast at 15 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Nordman and Beaver Creek Campground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4846 11687 4853 11704 4876 11690 4864 11663
TIME...MOT...LOC 2016Z 206DEG 11KT 4858 11689

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

AS