Ronald Reagan Washington Ntl Airport to Ontario International DCA → ONT

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 100 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.

• SIGMET W11W: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 40 knots, until 12:55 am EDT (04:55 UTC). Over the route from 1316 to 1475 nm out.
  as issued

  WSUS33 KKCI 120255
  MKCW WST 120255
  CONVECTIVE SIGMET 11W
  VALID UNTIL 0455Z
  CO NM
  FROM 20WNW PUB-10ENE CIM-50WNW ABQ-30NNE DVC-20WNW PUB
  AREA TS MOV FROM 22040KT. 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 478 nm of the route.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 159 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 50 to 219 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 837 to 1256 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 1236 to 1764 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Near the route, 1266 nm along the route.
• AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 35,000 ft to 45,000 ft. Over the route from 1276 to 1705 nm out.
• 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). Near the route, 1366 nm along the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Near the route, 1376 nm along the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1565 to 1784 nm out.
• AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 1655 to 1695 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1665 to 1874 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 15,000 ft. Over the last 189 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 DCA.

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

Not fetched just now.

At ONT when you get there the forecast at the estimated arrival, 3:49 pm PDT (22:49 UTC)

ONT 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 on the route, at the departure end · security · ZDC
• 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 7 nm from the route, at the departure end · a VIP movement · today · ZDC
• 6/8029 Cincinnati, OH, Friday, October 9, 2026 through Monday, October 12, 2026 Local on the route, 359 nm along the route · a VIP movement · until 12 October · ZID
• 6/7634 CENTRALIA, MO, Monday, October 12, 2026 UTC 21 nm from the route, 708 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · today · ZKC
• 6/8891 Bullhead City, AZ, Wednesday, October 14, 2026 Local 3 nm from the route, 1804 nm along the route · a VIP movement · starts Wednesday 14 October · ZLA
• 4/3635 DISNEYLAND THEME PARK, ANAHEIM,, CA 19 nm from the route, at the destination end · security · ZLA

Daylight

Sunset at DCA 6:34 pm EDT (22:34 UTC), at ONT 6:20 pm PDT (01:20 UTC) (civil twilight ends 6:45 pm PDT (01:45 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.