Washington Dulles International to Grand Junction Regional IAD → GJT

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

• SIGMET E11E: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 20 knots, until 12:55 am EDT (04:55 UTC). Over the first 89 nm of the route.
  as issued

  WSUS31 KKCI 120255
  MKCE WST 120255
  CONVECTIVE SIGMET 11E
  VALID UNTIL 0455Z
  NY NJ PA DE MD VA DC WV AND DE NJ NY MD CT VA CSTL WTRS
  FROM 20NE JFK-90SE SIE-20NNW ORF-30ENE EKN-10S JST-20NE JFK
  AREA EMBD TS MOV FROM 24020KT. TOPS TO FL340.

• 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 first 428 nm of the route.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 149 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 30 to 179 nm out.
• 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 756 to 1183 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the last 278 nm of the route.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the last 239 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 159 nm of the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1322 to 1362 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Near the route, at the destination end.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Near the route, at the destination end.

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 IAD.

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

Not fetched just now.

At GJT when you get there the forecast at the estimated arrival, 11:35 am MDT (17:35 UTC)

GJT 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 departure end · security · ZDC
• 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 4 nm from the route, at the departure end · a VIP movement · today · ZDC

Daylight

Sunset at IAD 6:36 pm EDT (22:36 UTC), at GJT 6:40 pm MDT (00:40 UTC) (civil twilight ends 7:06 pm MDT (01:06 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.