Bellingham International to Aspen-Pitkin County/Sardy Field BLI → ASE

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

• SIGMET W71W: thunderstorms (a convective SIGMET) up to 27,000 ft, moving from the south at 40 knots, until 6:55 pm PDT (01:55 UTC). Over the route from 537 to 626 nm out.
  as issued

  WSUS33 KKCI 112355
  MKCW WST 112355
  CONVECTIVE SIGMET 71W
  VALID UNTIL 0155Z
  WY UT ID
  FROM 40S DBS-40WNW BPI-30WSW MTU-30SSW DTA-30SE TWF-40S DBS
  AREA EMBD TS MOV FROM 20040KT. TOPS TO FL270.

• SIGMET W70W: thunderstorms (a convective SIGMET) up to 32,000 ft, moving from the southwest at 40 knots, until 6:55 pm PDT (01:55 UTC). Near the route, 755 nm along the route.
  as issued

  WSUS33 KKCI 112355
  MKCW WST 112355
  CONVECTIVE SIGMET 70W
  VALID UNTIL 0155Z
  MT WY
  FROM 30SSW MLS-60WNW BFF-40SSE OCS-10S BPI-10S BIL-30SSW MLS
  AREA TS MOV FROM 22040KT. TOPS TO FL320.

• SIGMET W68W: thunderstorms (a convective SIGMET) up to 36,000 ft, moving from the southwest at 40 knots, until 6:55 pm PDT (01:55 UTC). Over the last 99 nm of the route.
  as issued

  WSUS33 KKCI 112355
  MKCW WST 112355
  CONVECTIVE SIGMET 68W
  VALID UNTIL 0155Z
  CO NM AZ UT
  FROM 30W CHE-20NNW TBE-60SE ABQ-40N SJN-30SW MTU-30W CHE
  AREA TS MOV FROM 23040KT. TOPS TO FL360.

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 25,000 ft to 39,000 ft. Over the first 20 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 14,000 ft. Over the route from 159 to 358 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 656 nm of the route.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the last 586 nm of the route.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 318 to 606 nm out.
• AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the route from 437 to 726 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the last 318 nm of the route.
• AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the last 298 nm of the route.
• AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Near the route, 736 nm along the route.
• AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 746 to 805 nm out.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from BLI.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

Not fetched just now.

At ASE when you get there the forecast at the estimated arrival, 12:53 am MDT (06:53 UTC)

ASE has no terminal forecast; use the nearest airport that does.

Temporary flight restrictions on the line or within 25 nm of it

• 6/6654 28NM W TWISP, WA, Thursday, October 1, 2026 through Thursday, October 15, 2026 UTC 14 nm from the route, 70 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 15 October · ZSE

Daylight

Sunset at BLI 6:26 pm PDT (01:26 UTC), at ASE 6:33 pm MDT (00:33 UTC) (civil twilight ends 7:00 pm MDT (01:00 UTC)). At 120 knots the arrival at ASE is before sunrise there (7:14 am MDT (13:14 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.