Jackson Hole Airport to Washington Dulles International JAC → IAD

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

• SIGMET 8W: thunderstorms (a convective SIGMET) up to 35,000 ft, moving from the southwest at 40 knots, until 9:55 pm MDT (03:55 UTC). Over the route from 110 to 269 nm out.
  as issued

  WSUS33 KKCI 120155
  MKCW WST 120155
  CONVECTIVE SIGMET 8W
  VALID UNTIL 0355Z
  CO MT WY
  FROM 40N SHR-60WNW RAP-20ENE CYS-30SW CYS-10NW BOY-40N SHR
  AREA TS MOV FROM 22040KT. TOPS TO FL350.

• SIGMET 7E: thunderstorms (a convective SIGMET) up to 33,000 ft, moving from the west at 15 knots, until 9:55 pm MDT (03:55 UTC). Over the last 190 nm of the route.
  as issued

  WSUS31 KKCI 120155
  MKCE WST 120155
  CONVECTIVE SIGMET 7E
  VALID UNTIL 0355Z
  PA MD VA DC WV OH
  FROM 10NNE JST-30WNW SBY-40ENE RIC-50SW BKW-20SE APE-10NNE JST
  AREA TS MOV FROM 28015KT. TOPS TO FL330.

• 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 first 399 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 first 210 nm of the route.
• AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the first 160 nm of the route.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the first 359 nm of the route.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 249 nm of the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 180 nm of the route.
• AIRMET TANGO 3W: 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 route from 669 to 818 nm out.
• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the last 329 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1347 to 1487 nm out.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the last 120 nm of the route.

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 JAC.

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

Not fetched just now.

At IAD when you get there the forecast at the estimated arrival, 7:34 am EDT (11:34 UTC)

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

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

• 4/9383 WASHINGTON, DC., USA 8 nm from the route, at the destination end · security · ZDC
• 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 4 nm from the route, at the destination end · a VIP movement · today · ZDC

Daylight

Sunset at JAC 6:44 pm MDT (00:44 UTC), at IAD 6:36 pm EDT (22:36 UTC) (civil twilight ends 7:02 pm EDT (23:02 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.