National Weather Service United States Department of Commerce

Dangerous Cold Weather for Most of the Country; Rare Winter Storm for the South; Fire Weather Concerns for Southern California

Arctic air will filter south and east through early this week. As this cold air moves across the South, a rare winter storm is forecast to develop from Texas, Gulf Coast States into the Southeast through early this week. Several new daily record low temperatures are expected, including new record-low maximum temperatures. For Southern California, fire weather concerns increase this week. Read More >

Aviation Forecast Discussion

.AVIATION...
00Z TAFS: VFR conditions for all TAF locations through the 
period. High and mid level clouds will move over the ridge this 
afternoon ahead of the next weak weather system to move in 
Tuesday. Isolated flurries are possible Tuesday with a weak 
shortwave moving through the region. There is low confidence on if
it would affect airfield operations. No accumulation is expected.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: 
Moderate confidence with current TAFs. Low confidence of fog
developing, or lifting into a stratus deck. There is a small
chance (10% or less) of flurries moving into the region aft 08Z
Tues. 
 
-----------------------

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

&&

Latest GEG Terminal Aerodrome Forecast (TAF)

FTUS80 KGEG 202330 RRA
KGEG 202328Z 2100/2124 11005KT P6SM FEW180 BKN250
     FM211000 12004KT P6SM SCT015 BKN150
     FM211200 08004KT P6SM BKN250
     FM211500 20003KT P6SM BKN250
     FM212100 25005KT P6SM BKN250

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS80 KSFF 202330 RRB
KSFF 202328Z 2100/2124 VRB03KT P6SM SKC
     FM210100 06002KT P6SM BKN180
     FM211000 VRB03KT P6SM SCT018 BKN150
     FM211200 VRB03KT P6SM BKN250

FTUS46 KOTX 202328
TAFCOE
TAF
KCOE 202328Z 2100/2124 VRB03KT P6SM SKC
     FM211000 06006KT P6SM SCT020 BKN150
     FM211200 07005KT P6SM BKN250
     FM211500 12004KT P6SM BKN250
     FM211900 22005KT P6SM BKN250=

FTUS54 KPUW 202330
KPUW 202328Z 2100/2124 12012KT P6SM SKC
     FM210300 10006KT P6SM BKN200
     FM211200 10011KT P6SM BKN250
     FM211900 26007KT P6SM BKN250

FTUS46 KOTX 202328
TAFLWS
TAF
KLWS 202328Z 2100/2124 06007KT P6SM SKC
     FM210300 14005KT P6SM BKN200
     FM211200 12007KT P6SM BKN250
     FM211700 28003KT P6SM BKN250=

FTUS80 KMWH 202330 RRA
KMWH 202328Z 2100/2124 13006KT P6SM SKC
     FM211000 35004KT P6SM FEW200
     FM211200 35003KT P6SM BKN250

FTUS80 KEAT 202330
KEAT 202328Z 2100/2124 25004KT P6SM SKC
     FM211000 28002KT P6SM SKC
     FM211200 30003KT P6SM BKN250
     FM212100 10002KT P6SM BKN250

FTUS80 KSEA 202321 RRT
KSEA 202320Z 2100/2206 02006KT P6SM BKN250
     FM210500 05003KT P6SM SCT250
     FM211200 16004KT P6SM SCT250
     FM212200 03004KT P6SM BKN250

FTUS80 KBOI 202339
KBOI 202336Z 2100/2124 15004KT P6SM SCT200
     FM210200 13008KT P6SM BKN200
     FM212000 33006KT P6SM SCT200

FTUS80 KPDT 202321 RRQ
KPDT 202320Z 2100/2124 VRB04KT P6SM SKC
     FM210100 12004KT P6SM SCT250
     FM212100 29009KT P6SM SCT250

FTUS80 KALW 202321
KALW 202320Z 2100/2124 VRB04KT P6SM SCT250
     FM210100 15003KT P6SM FEW250

FTUS80 KPSC 202321 RRR
KPSC 202320Z 2100/2124 VRB04KT P6SM SKC

FTUS80 KYKM 202321 RRV
KYKM 202320Z 2100/2124 VRB05KT P6SM BKN250
     FM210300 28004KT P6SM BKN250

FTUS80 KDLS 202321 RRF
KDLS 202320Z 2100/2124 11002KT P6SM SKC
     FM210100 11005KT P6SM BKN250
     FM211200 VRB05KT P6SM FEW250
     FM212000 30007KT P6SM SCT150

FTUS46 KPDT 202320
TAFBDN
TAF
KBDN 202320Z 2100/2124 18003KT P6SM SKC
     FM210200 16005KT P6SM FEW250
     FM212100 26007KT P6SM SCT150=

FTUS80 KMSO 202321 RRP
KMSO 202320Z 2100/2124 15006KT P6SM BKN150

FTUS80 KBTM 202321 RRC
KBTM 202320Z 2100/2124 31002KT P6SM BKN250
     FM212000 29010KT P6SM FEW250
     FM212200 30010G18KT P6SM SCT250

FTUS80 KSMN 202321 RRT
KSMN 202320Z 2100/2124 VRB04KT P6SM BKN150 AMD NOT SKED

FTUS80 KGPI 202321 RRI
KGPI 202320Z 2100/2124 VRB02KT P6SM OVC040

Raw METARs for WFO OTX CWA and Surrounding Areas

--TAFs--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KGEG0040Z27125420150610CLR
KSFF0040Z3010432390710CLR
KCOE0040Z251259calm10CLR
KPUW0040Z251054151001010CLR
KLWS0040Z3016552590510CLR
KMWH0040Z30216925150510CLR
KEAT0040Z271664260310CLR
--WA--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KS520035Z13674calm10CLR
KOMK0040Z251874190310CLR
KS10
KEPH0040Z281969calm10CLR
K63S0035Z211474calm10CLR
KDEW0040Z251980calm10CLR
KSKA2355Z2994224170510BKN200
--ID--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
K65S0035Z231263calm10CLR
KSZT0030Z271050calm10CLR
KMLP0040Z90660230510CLR
-PDT TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KPDT0040Z34195620310CLR
KALW0040Z3225752720510CLR
KPSC0040Z34257070310CLR
KYKM0040Z342160180310CLR
KDLS0040Z3723563190810CLR
KRDM0040Z39163933110810CLR
KBDN0030Z39163933130810CLR
-MSO TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KMSO0040Z9-261calm10CLR
KBTM0040Z7-851-4330610BKN100
KGPI0040Z12779calm10OVC045
KHRF0035Z1236730310BKN120
-Misc-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KSEA0040Z37256033310510CLR
KSMP2356Z20199660310CLR
KELN0040Z30196425320510CLR
K1YT2355Z341954calm10CLR
KRLD0035Z3625653280510CLR
KGIC0035Z23126314130810CLR
K1S50055Z3325732790610CLR
KHRI0040Z3421602930610CLR
KP692352Z27166320106

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

No Plot Available

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
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Spokane, WA
Wenatchee, WA
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Pullman, WA
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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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