National Weather Service United States Department of Commerce

Scattered Severe Thunderstorms Across the Northern Plains; Fire Weather Concerns in the Western U.S.

Scattered severe thunderstorms are forecast across central and eastern North Dakota, as well as far northwest Minnesota Saturday (Slight Risk level 2 of 5). Damaging wind gusts are the primary threat. Elevated to critical fire weather conditions will persist through the weekend across the Western U.S. Isolated dry thunderstorms could lead to new fire starts over portions of the northern Rockies. Read More >

Aviation Forecast Discussion

.AVIATION...
06Z TAFS: Dry northwest flow aloft will keep conditions VFR 
through the period with light and diurnally/terrain driven winds. 
Smoke from local and regional wildfires wildfires may result in 
intermittent visibility reductions to 6SM. The exception will be 
for KLWS where nearby fires (River and Gwen) to the east will 
result in reductions to 4SM or less, bouncing between MVFR and IFR
conditions. Northwest winds in the afternoon may slightly improve
conditions but confidence is low.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: There is low 
confidence on how smoke will impact visibility across the Inland 
Northwest. 

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

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:/www.weather.gov/otx/avndashboard

&&

Latest GEG Terminal Aerodrome Forecast (TAF)

FTUS44 KGEG 270521
KGEG 270520Z 2706/2806 24004KT P6SM SKC
     FM271200 15004KT P6SM SCT250
     FM271800 22006KT P6SM BKN250

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS44 KSFF 270521 RRA
KSFF 270520Z 2706/2806 VRB02KT P6SM SKC
     FM271800 23004KT P6SM SCT250

FTUS46 KOTX 270520
TAFCOE
TAF
KCOE 270520Z 2706/2806 11003KT P6SM SKC
     FM271800 25006KT P6SM FEW250=

FTUS54 KPUW 270521 RRB
KPUW 270520Z 2706/2806 00000KT 6SM HZ SKC
     FM271200 00000KT P6SM SCT250
     FM271800 28005KT P6SM SKC

FTUS46 KOTX 270520
TAFLWS
TAF
KLWS 270520Z 2706/2806 VRB03KT 5SM BR SKC
     FM271200 00000KT 5SM HZ SCT250
     FM271800 32004KT 4SM HZ SKC=

FTUS44 KMWH 270521
KMWH 270520Z 2706/2806 VRB03KT P6SM SKC
     FM271200 VRB03KT P6SM SCT250
     FM271800 22008KT P6SM BKN250

FTUS80 KEAT 270521 RRH
KEAT 270520Z 2706/2806 31009KT P6SM SKC
     FM271200 29009KT P6SM SCT250
     FM271800 24006KT P6SM BKN250
     FM280000 30015KT P6SM BKN250

FTUS80 KSEA 270524 RRE
KSEA 270521Z 2706/2812 02006KT P6SM FEW250
     FM271100 04003KT P6SM SCT030 BKN250
      TEMPO 2712/2716 BKN025
     FM271700 25006KT P6SM SCT030 SCT250
     FM280300 25005KT P6SM BKN250

FTUS44 KBOI 270521
KBOI 270520Z 2706/2806 VRB04KT 6SM FU BKN060
     FM271800 31008KT 6SM FU BKN060

FTUS54 KPDT 270524
KPDT 270521Z 2706/2806 14005KT P6SM SKC
     FM271700 27007KT P6SM SCT200
     FM272100 28010KT P6SM BKN200
     FM280500 21007KT P6SM SCT200

FTUS80 KALW 270524
KALW 270521Z 2706/2806 11007KT P6SM SKC
     FM271600 22006KT P6SM SCT200
     FM272200 24008KT P6SM BKN200
     FM280400 14005KT P6SM SCT200

FTUS80 KPSC 270524 RRD
KPSC 270521Z 2706/2806 VRB05KT P6SM FEW200
     FM271600 22005KT P6SM SCT200
     FM272100 22007KT P6SM BKN200

FTUS80 KYKM 270524 RRF
KYKM 270521Z 2706/2806 27005KT 4SM FU FEW200
     FM271200 27005KT 3SM FU SCT200
     FM271600 VRB05KT 6SM HZ FU SCT200
     FM280000 32010KT 5SM HZ FU SCT200

FTUS80 KDLS 270524 RRB
KDLS 270521Z 2706/2806 30008KT P6SM SKC
     FM271500 31010G20KT P6SM SCT200
     FM271900 31018G30KT P6SM BKN200
     FM280400 31012G23KT P6SM SCT200

FTUS46 KPDT 270521
TAFBDN
TAF
KBDN 270521Z 2706/2806 VRB04KT P6SM SCT050
     FM271800 32008KT P6SM SCT200
     FM272200 33012G22KT P6SM SCT200
     FM280500 VRB05KT P6SM FEW200=

FTUS44 KMSO 270521
KMSO 270520Z 2706/2806 29008KT P6SM SKC
     FM271900 32003KT 5SM FU SKC
     FM272100 32010G20KT 6SM FU SKC
     FM280300 33006KT P6SM SKC

FTUS54 KBTM 270521
KBTM 270520Z 2706/2806 35007KT 6SM FU SKC
     FM271800 27010G20KT 6SM FU SCT250
     FM280000 28010G15KT P6SM BKN250
     FM280200 25005KT P6SM BKN250

FTUS80 KSMN 270521 RRX
KSMN 270520Z 2706/2806 05003KT P6SM SKC
     FM271500 VRB03KT 6SM FU SKC
     FM271800 32003KT P6SM BKN250 PROB30 2718/2721 P6SM TS
      BKN050CB
     FM272200 27005KT 6SM FU BKN250

FTUS44 KGPI 270521
KGPI 270520Z 2706/2806 29005KT P6SM SKC
     FM271800 18008KT 6SM FU SKC
     FM280300 22005KT P6SM SKC

Raw METARs for WFO OTX CWA and Surrounding Areas

--TAFs--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KGEG0515Z723425230310CLR
KSFF0515Z633942calm10CLR
KCOE0515Z64434650310CLR
KPUW0515Z543041calm8CLR
KLWS0515Z703427160610CLR
KMWH0515Z724538170710 FUCLR
KEAT0515Z7539273101210CLR
--WA--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KS520515Z684036330610
KOMK0515Z6441432901010CLR
KS10
KEPH0515Z643737calm10CLR
K63S0515Z59394840710OVC100
KDEW0515Z55364760310CLR
KSKA0455Z652926270510CLR
--ID--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
K65S0515Z634349calm10CLR
KSZT0515Z544367calm10CLR
KMLP0515Z522841340310CLR
-PDT TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KPDT0515Z70342717038CLR
KALW0515Z643940100810CLR
KPSC0515Z724538calm10CLR
KYKM0515Z63455223065 HZ FUCLR
KDLS0515Z734841310910CLR
KRDM0515Z703427330710CLR
KBDN0515Z683226300310OVC055
-MSO TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KMSO0520Z612727330610CLR
KBTM0520Z55324113058CLR
KSMN0520Z68393590310CLR
KGPI0520Z613234calm10CLR
KHRF0515Z554567calm9FEW029
FEW060
-Misc-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KSEA0515Z664649350710CLR
KSMP0456Z524475VRB310CLR
KELN0515Z6839353401410CLR
K1YT0455Z70383115059FEW060
SCT080
KRLD0515Z744434150310CLR
KGIC0515Z553955calm7OVC027
K1S50515Z61465740510CLR
KHRI0515Z663937170710CLR
KP690452Z625065calm

Lowest Expected Flight Category Forecasts - EXPERIMENTAL

 

•This site is for informational purposes. It should be used with other preflight information sources needed to satisfy all the requirements of 14 CFR 91.103. It is NOT designed to be used as a primary or sole source of information for preflight action. Refer to Flight Service for more information.

 
0-1 hr Ceiling Forecast 0-1 hr Visibility Forecast

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1-2 hr Ceiling Forecast 1-2 hr Visibility Forecast

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2-3 hr Ceiling Forecast 2-3 hr Visibility Forecast

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3-4 hr Ceiling Forecast 3-4 hr Visibility Forecast

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4-5 hr Ceiling Forecast 4-5 hr Visibility Forecast

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5-6 hr Ceiling Forecast 5-6 hr Visibility Forecast

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6-12 hr Ceiling Forecast 6-12 hr Visibility Forecast

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12-18 hr Ceiling Forecast 12-18 hr Visibility Forecast

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18-24 hr Ceiling Forecast 18-24 hr Visibility Forecast

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HREF Ceiling Probabilities - EXPERIMENTAL

 

•These plots are produced by HREF ensemble guidance and are for informational purposes. It should be used with other preflight information sources needed to satisfy all the requirements of 14 CFR 91.103. It is NOT designed to be used as a primary or sole source of information for preflight action. Refer to Flight Service for more information.

 
0-1 hr Probability of Ceiling < 1000 ft 0-1 hr Probability of Ceiling < 2000 ft 0-1 hr Probability of Ceiling < 3000 ft

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1-2 hr Probability of Ceiling < 1000 ft 1-2 hr Probability of Ceiling < 2000 ft 1-2 hr Probability of Ceiling < 3000 ft

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2-3 hr Probability of Ceiling < 1000 ft 2-3 hr Probability of Ceiling < 2000 ft 2-3 hr Probability of Ceiling < 3000 ft

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3-4 hr Probability of Ceiling < 1000 ft 3-4 hr Probability of Ceiling < 2000 ft 3-4 hr Probability of Ceiling < 3000 ft

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4-5 hr Probability of Ceiling < 1000 ft 4-5 hr Probability of Ceiling < 2000 ft 4-5 hr Probability of Ceiling < 3000 ft

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5-6 hr Probability of Ceiling < 1000 ft 5-6 hr Probability of Ceiling < 2000 ft 5-6 hr Probability of Ceiling < 3000 ft

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6-12 hr Probability of Ceiling < 1000 ft 6-12 hr Probability of Ceiling < 2000 ft 6-12 hr Probability of Ceiling < 3000 ft

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12-18 hr Probability of Ceiling < 1000 ft 12-18 hr Probability of Ceiling < 2000 ft 12-18 hr Probability of Ceiling < 3000 ft

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18-24 hr Probability of Ceiling < 1000 ft 18-24 hr Probability of Ceiling < 2000 ft 18-24 hr Probability of Ceiling < 3000 ft

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HREF Visibility Probabilities - EXPERIMENTAL

 

•These plots are produced by HREF ensemble guidance and are for informational purposes. It should be used with other preflight information sources needed to satisfy all the requirements of 14 CFR 91.103. It is NOT designed to be used as a primary or sole source of information for preflight action. Refer to Flight Service for more information.

 
0-1 hr Probability of Visibility < 0.25 mi 0-1 hr Probability of Visibility < 0.5 mi 0-1 hr Probability of Visibility < 1 mi

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1-2 hr Probability of Visibility < 0.25 mi 1-2 hr Probability of Visibility < 0.5 mi 1-2 hr Probability of Visibility < 1 mi

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2-3 hr Probability of Visibility < 0.25 mi 2-3 hr Probability of Visibility < 0.5 mi 2-3 hr Probability of Visibility < 1 mi

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3-4 hr Probability of Visibility < 0.25 mi 3-4 hr Probability of Visibility < 0.5 mi 3-4 hr Probability of Visibility < 1 mi

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4-5 hr Probability of Visibility < 0.25 mi 4-5 hr Probability of Visibility < 0.5 mi 4-5 hr Probability of Visibility < 1 mi

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5-6 hr Probability of Visibility < 0.25 mi 5-6 hr Probability of Visibility < 0.5 mi 5-6 hr Probability of Visibility < 1 mi

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6-12 hr Probability of Visibility < 0.25 mi 6-12 hr Probability of Visibility < 0.5 mi 6-12 hr Probability of Visibility < 1 mi

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12-18 hr Probability of Visibility < 0.25 mi 12-18 hr Probability of Visibility < 0.5 mi 12-18 hr Probability of Visibility < 1 mi

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18-24 hr Probability of Visibility < 0.25 mi 18-24 hr Probability of Visibility < 0.5 mi 18-24 hr Probability of Visibility < 1 mi

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0-1 hr Probability of Visibility < 2 mi 0-1 hr Probability of Visibility < 4 mi

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1-2 hr Probability of Visibility < 2 mi 1-2 hr Probability of Visibility < 4 mi

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2-3 hr Probability of Visibility < 2 mi 2-3 hr Probability of Visibility < 4 mi

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3-4 hr Probability of Visibility < 2 mi 3-4 hr Probability of Visibility < 4 mi

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4-5 hr Probability of Visibility < 2 mi 4-5 hr Probability of Visibility < 4 mi

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5-6 hr Probability of Visibility < 2 mi 5-6 hr Probability of Visibility < 4 mi

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6-12 hr Probability of Visibility < 2 mi 6-12 hr Probability of Visibility < 4 mi

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12-18 hr Probability of Visibility < 2 mi 12-18 hr Probability of Visibility < 4 mi

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18-24 hr Probability of Visibility < 2 mi 18-24 hr Probability of Visibility < 4 mi

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KOTX Radar Loop

KOTX Radar

KATX Radar Loop

KATX Radar

KPDT Radar Loop

KPDT Radar

KMSX Radar Loop

KMSX Radar

GeoColor

GeoColor Image

Visible Satellite

Visible Image

Day Cloud Phase - Night Microphysics

Day Cloud Phase Night Microphysics Image

Infrared Satellite

Infrared Image

ZSE Briefing

ZNY Briefing

Turbulence PIREPs

Turbulence PIREPs

Icing PIREPs

Icing PIREPs

Weather/Sky PIREPs

Weather/Sky PIREPs

Current SIGMETs

Current SIGMETs

Sierra (Mountains/IFR) AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Tango (Turbulence/LLWS) AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Icing AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Freezing Level AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Legend

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Aviation Soaring Data
 
Upper Air sounding Soaring Forecast and Latest Sounding Skew-T Graph
(Soaring forecast based on today's 12Z balloon soundings)
 

NWS North American Mesoscale Model (NAM)
Soaring Forecasts - Experimental

(use right click and save as for the data file links )

   
 
Soaring Forecast and Data
Site
Today
Tomorrow
Spokane, WA
Wenatchee, WA
Ephrata, WA
Pullman, WA
Pasco/Tri-Cities, WA
Sea-Tac Apt., WA
Everett (Paine Field) , WA
Tacoma, WA
Redmond, OR
Baker City, OR
Salem, OR
Hillsboro, OR
Hood River, OR
Boise, ID
Missoula, MT
Great Falls, MT
Kalispell, MT
Bozeman, MT
     

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