Northwest Arkansas Ntl Airport to San Francisco International XNA → SFO

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

• SIGMET 6W: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 40 knots, until 10:55 pm CDT (03:55 UTC). Over the route from 448 to 687 nm out.
  as issued

  WSUS33 KKCI 120155
  MKCW WST 120155
  CONVECTIVE SIGMET 6W
  VALID UNTIL 0355Z
  CO NM
  FROM 50SSW DEN-30NNE TBE-50SSW CME-50E SJN-20NE DVC-50SSW DEN
  AREA TS MOV FROM 23040KT. TOPS TO FL340.

• SIGMET W10W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the southwest at 20 knots, until 10:55 pm CDT (03:55 UTC). Over the route from 1095 to 1105 nm out.
  as issued

  WSUS33 KKCI 120155
  MKCW WST 120155
  CONVECTIVE SIGMET 10W
  VALID UNTIL 0355Z
  NV
  FROM 70SW TWF-40NNW BVL-40SW ELY-30ESE OAL-40WNW OAL-70SW TWF
  AREA TS MOV FROM 23020KT. TOPS TO FL300.

• 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 159 to 428 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 438 to 1065 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 478 to 1095 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 528 to 657 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 558 to 707 nm out.
• AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the route from 737 to 1115 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 737 to 1035 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 806 to 956 nm out.
• AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 15,000 ft. Over the route from 1075 to 1215 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 40 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 XNA.

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

Not fetched just now.

At SFO when you get there the forecast at the estimated arrival, 7:55 am PDT (14:55 UTC)

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

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

• 6/7094 45NM NE MERCED, CA, Sunday, October 4, 2026 through Tuesday, October 20, 2026 UTC 4 nm from the route, 1205 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 20 October · ZOA
• 6/7231 Santa Clara, CA, Sunday, October 11, 2026 through Monday, October 12, 2026 UTC 14 nm from the route, at the destination end · drones kept away from a public gathering · until 12 October · ZOA

Daylight

Sunset at XNA 6:45 pm CDT (23:45 UTC), at SFO 6:36 pm PDT (01:36 UTC) (civil twilight ends 7:02 pm PDT (02:02 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.