Baltimore/Washington International Thurgood Marshall to Charles M Schulz/Sonoma County BWI → STS

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 110 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 2C: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 40 knots, until 12:55 am EDT (04:55 UTC). Over the route from 1317 to 1317 nm out.
  as issued

  WSUS32 KKCI 120255
  MKCC WST 120255
  CONVECTIVE SIGMET 2C
  VALID UNTIL 0455Z
  NE CO WY
  FROM 40SE CZI-30WNW BFF-30SSE LAR-70NW LAR-40SE CZI
  AREA TS MOV FROM 22040KT. TOPS TO FL310.

• SIGMET W12W: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 20 knots, until 12:55 am EDT (04:55 UTC). Over the route from 1755 to 1875 nm out.
  as issued

  WSUS33 KKCI 120255
  MKCW WST 120255
  CONVECTIVE SIGMET 12W
  VALID UNTIL 0455Z
  NV
  FROM 40SSE TWF-10W ELY-30SE OAL-30W OAL-70WSW TWF-40SSE TWF
  AREA TS MOV FROM 24020KT. TOPS TO FL310.

• 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 419 nm of the route.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 190 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 199 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 768 to 1177 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 1177 to 1636 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 1237 to 1606 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). Over the route from 1317 to 1546 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1436 to 1935 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1436 to 1855 nm out.
• AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 1476 to 1526 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 160 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 BWI.

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

Not fetched just now.

At STS when you get there the forecast at the estimated arrival, 4:35 pm PDT (23:35 UTC)

Wind from the south-southwest at 6 knots, visibility more than 6 miles, clear skies VFR

The whole forecast for STS

• From Sun 5:00 pm PDT (00:00 UTC): wind from the south-southeast at 6 knots, visibility more than 6 miles, clear skies
• From Mon 12:00 am PDT (07:00 UTC): wind from the west-northwest at 2 knots, visibility more than 6 miles, clear skies
• From Mon 1:00 pm PDT (20:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, clear skies

The forecast for BWI, the departure

• From Sun 11:00 pm EDT (03:00 UTC): wind from the north-northeast at 4 knots, visibility 4 miles, light rain showers, mist, overcast at 400 feet
• From Mon 1:00 am EDT (05:00 UTC): wind from the north at 7 knots, visibility 3 miles, light rain showers, mist, overcast at 600 feet
• From Mon 7:00 am EDT (11:00 UTC): wind from the north-northwest at 10 knots, gusting to 18, visibility more than 6 miles, scattered clouds at 700 feet, overcast at 1,500 feet
• From Mon 11:00 am EDT (15:00 UTC): wind from the north-northwest at 12 knots, gusting to 21, visibility more than 6 miles, a broken layer at 1,500 feet, overcast at 2,500 feet
• From Mon 2:00 pm EDT (18:00 UTC): wind from the north-northwest at 10 knots, gusting to 17, visibility more than 6 miles, a broken layer at 3,500 feet
• From Mon 6:00 pm EDT (22:00 UTC): wind from the northwest at 6 knots, visibility more than 6 miles, a few clouds at 4,500 feet, scattered clouds at 25,000 feet

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

• 6/8800 Baltimore, MD, Saturday, October 17, 2026 through Sunday, October 18, 2026 UTC 6 nm from the route, at the departure end · drones kept away from a public gathering · starts Saturday 17 October · ZDC
• 4/9383 WASHINGTON, DC., USA 9 nm from the route, at the departure end · security · ZDC
• 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 9 nm from the route, at the departure end · a VIP movement · today · ZDC
• 6/3475 BEALE AFB, CA, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local 9 nm from the route, at the destination end · security · until 1 November · ZOA
• 6/6740 SACRAMENTO, CA, Thursday, October 8, 2026 through Sunday, October 11, 2026 Local 9 nm from the route, at the destination end · air shows/sports · ended 11 October · ZOA

Daylight

Sunset at BWI 6:32 pm EDT (22:32 UTC), at STS 6:37 pm PDT (01:37 UTC) (civil twilight ends 7:04 pm PDT (02:04 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.