Frederick W Smith Intl/Memphis Airport to San Francisco International MEM → SFO

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

• SIGMET C10C: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 40 knots, until 2:55 am CDT (07:55 UTC). Over the route from 709 to 808 nm out.
  as issued

  WSUS32 KKCI 120555
  MKCC WST 120555
  CONVECTIVE SIGMET 10C
  VALID UNTIL 0755Z
  CO NM
  FROM 20NNE PUB-40WSW LAA-30WSW CIM-50WSW ALS-50ESE HBU-20NNE PUB
  AREA TS MOV FROM 22040KT. TOPS TO FL340.

• SIGMET W15W: thunderstorms (a convective SIGMET) up to 28,000 ft, moving from the southwest at 20 knots, until 2:55 am CDT (07:55 UTC). Over the route from 1287 to 1347 nm out.
  as issued

  WSUS33 KKCI 120555
  MKCW WST 120555
  CONVECTIVE SIGMET 15W
  VALID UNTIL 0755Z
  UT NV
  FROM 60WNW BVL-10NE BVL-80E OAL-40SE OAL-20W OAL-60WNW BVL
  AREA TS MOV FROM 24020KT. TOPS TO FL280.

• 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 230 to 659 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 659 to 1287 nm out.
• AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 35,000 ft to 45,000 ft. Over the route from 689 to 888 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 729 to 828 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the route from 888 to 1078 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 898 to 1218 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1018 to 1238 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 90 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 MEM.

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, 1:47 pm PDT (20:47 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 2 nm from the route, 1427 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 13 nm from the route, at the destination end · drones kept away from a public gathering · until 12 October · ZOA

Daylight

Sunset at MEM 6:29 pm CDT (23:29 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.