Bozeman Yellowstone International to Ronald Reagan Washington Ntl Airport BZN → DCA

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

• SIGMET C17C: thunderstorms (a convective SIGMET) up to 36,000 ft, moving from the southwest at 40 knots, until 6:55 am MDT (12:55 UTC). Over the route from 399 to 449 nm out.
  as issued

  WSUS32 KKCI 121055
  MKCC WST 121055
  CONVECTIVE SIGMET 17C
  VALID UNTIL 1255Z
  SD ND
  FROM 20NW BIS-60E BIS-20WNW PIR-20SW DPR-20NW BIS
  AREA TS MOV FROM 22040KT. TOPS TO FL360.

• 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 669 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 18,000 ft. Over the first 100 nm of the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 140 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 110 to 250 nm out.
• AIRMET TANGO 2W: 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, 819 nm along the route.
• 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 419 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 1378 to 1498 nm out.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Over the last 150 nm of the route.
• AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 6,000 ft. Over the route from 1438 to 1538 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). 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 BZN.

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

Not fetched just now.

At DCA when you get there the forecast at the estimated arrival, 4:37 pm EDT (20:37 UTC)

Wind from the north-northwest at 10 knots, gusting to 17, visibility more than 6 miles, scattered clouds at 2,500 feet, a broken layer at 3,500 feet VFR

The whole forecast for DCA

• From Mon 6:00 am EDT (10:00 UTC): wind from the north-northwest at 9 knots, visibility more than 6 miles, a few clouds at 1,000 feet, a broken layer at 1,600 feet and more above
• From Mon 9:00 am EDT (13:00 UTC): wind from the north-northwest at 10 knots, gusting to 18, visibility more than 6 miles, a broken layer at 1,500 feet, overcast at 2,500 feet
• From Mon 1:00 pm EDT (17:00 UTC): wind from the north-northwest at 13 knots, gusting to 22, visibility more than 6 miles, scattered clouds at 1,500 feet, a broken layer at 2,500 feet
• From Mon 3:00 pm EDT (19:00 UTC): wind from the north-northwest at 10 knots, gusting to 17, visibility more than 6 miles, scattered clouds at 2,500 feet, a broken layer at 3,500 feet
• From Mon 5:00 pm EDT (21:00 UTC): wind from the northwest at 8 knots, visibility more than 6 miles, a broken layer at 3,500 feet
• From Mon 8:00 pm EDT (00:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, scattered clouds at 4,000 feet

The forecast for BZN, the departure

• From Mon 6:00 am MDT (12:00 UTC): wind light and variable, visibility 6 miles, mist, scattered clouds at 400 feet, overcast at 1,500 feet
• At times between Mon 6:00 am MDT (12:00 UTC) and 9:00 am MDT (15:00 UTC): visibility 3 miles, mist, overcast at 400 feet
• From Mon 10:00 am MDT (16:00 UTC): wind light and variable, visibility more than 6 miles, scattered clouds at 600 feet, overcast at 1,500 feet
• From Mon 7:00 pm MDT (01:00 UTC): wind light and variable, visibility 6 miles, mist, overcast at 300 feet

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

• 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 21 nm from the route, 1348 nm along the route · a VIP movement · today · ZOB
• 6/8587 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 21 nm from the route, 1348 nm along the route · a VIP movement · today · ZOB
• 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 1 nm from the route, at the destination end · a VIP movement · today · ZDC
• 4/9383 WASHINGTON, DC., USA on the route, at the destination end · security · ZDC

Daylight

Sunset at BZN 6:42 pm MDT (00:42 UTC), at DCA 6:34 pm EDT (22:34 UTC) (civil twilight ends 7:01 pm EDT (23:01 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.