Oakland San Francisco Bay Airport to St. Louis Lambert International OAK → STL

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

• SIGMET W22W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the south at 35 knots, until 5:55 am PDT (12:55 UTC). Over the route from 409 to 459 nm out.
  as issued

  WSUS33 KKCI 121055
  MKCW WST 121055
  CONVECTIVE SIGMET 22W
  VALID UNTIL 1255Z
  AZ UT NV
  FROM 40W DTA-40WNW HVE-20SSE BCE-50NE LAS-70ENE BTY-40W DTA
  AREA TS MOV FROM 20035KT. TOPS TO FL300.

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 189 nm of the route.
• AIRMET SIERRA 2E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 80 to 130 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 239 to 738 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 299 to 648 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 319 to 698 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the route from 479 to 878 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 648 to 698 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 668 to 838 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 828 to 897 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). Over the route from 1017 to 1436 nm out.

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 OAK.

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

• A35K at 32,000 ft, 23 nm north, 1:39 am PDT (08:39 UTC): moderate chop turbulence, remarks: fdcs zoa. At the departure end, 23 nm north of the line.
  as filed, and in English

  OAK UA /OV OAK348024/TM 0839/FL320/TP A35K/TB MOD CHOP/RM FDCS ZOA

  Report

  a routine report filed through OAK

  Where

  24 nm north (348°) of OAK

  Time

  08:39 UTC

  Height

  at 32,000 ft

  Aircraft

  A35K

  Turbulence

  moderate chop

  Remarks

  fdcs zoa

• PC12 at 5,000 ft, 7 nm south, 4:23 am PDT (11:23 UTC): light to moderate turbulence, no icing, remarks: during the descent zdvwc. 648 nm along the route, 7 nm south of the line.
  as filed, and in English

  GJT UA /OV GJT/TM 1123/FL050/TP PC12/TB LGT-MOD/IC NEG/RM DURD. ZDVWC

  Report

  a routine report filed through GJT

  Where

  over GJT

  Time

  11:23 UTC

  Height

  at 5,000 ft

  Aircraft

  PC12

  Turbulence

  light to moderate

  Icing

  none

  Remarks

  during the descent zdvwc

• B38M at 21,000 ft, 38 nm north, 4:24 am PDT (11:24 UTC): light to moderate chop turbulence, remarks: during the climb zdvwc. 788 nm along the route, 38 nm north of the line.
  as filed, and in English

  DEN UA /OV DEN277039/TM 1124/FL210/TP B38M/TB LGT-MOD CHOP BLO 180 NEG ABV 180/RM DURC. ZDVWC

  Report

  a routine report filed through DEN

  Where

  39 nm west (277°) of DEN

  Time

  11:24 UTC

  Height

  at 21,000 ft

  Aircraft

  B38M

  Turbulence

  light to moderate chop below 18,000 ft no above 18,000 ft

  Remarks

  during the climb zdvwc

• B763 at 23,000 ft, 37 nm north, 3:26 am PDT (10:26 UTC): light chop turbulence, remarks: zdvwc. 798 nm along the route, 37 nm north of the line.
  as filed, and in English

  DEN UA /OV DEN278037/TM 1026/FL230/TP B763/TB OCNL LGT CHOP/RM ZDVWC

  Report

  a routine report filed through DEN

  Where

  37 nm west (278°) of DEN

  Time

  10:26 UTC

  Height

  at 23,000 ft

  Aircraft

  B763

  Turbulence

  occasional light chop

  Remarks

  zdvwc

At STL when you get there the forecast at the estimated arrival, 2:57 pm CDT (19:57 UTC)

Wind from the southwest at 12 knots, gusting to 20, visibility more than 6 miles, clear skies VFR

The whole forecast for STL

• From Mon 7:00 am CDT (12:00 UTC): wind from the southwest at 6 knots, visibility more than 6 miles, a few clouds at 25,000 feet
• From Mon 10:00 am CDT (15:00 UTC): wind from the southwest at 12 knots, gusting to 20, visibility more than 6 miles, clear skies

The forecast for OAK, the departure

• From Mon 5:00 am PDT (12:00 UTC): wind from the east at 5 knots, visibility more than 6 miles, a few clouds at 2,000 feet
• From Mon 11:00 am PDT (18:00 UTC): wind from the west at 8 knots, visibility more than 6 miles, clear skies

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 24 nm from the route, 120 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 20 October · ZOA
• 6/8784 LAKE GEORGE, CO, Sunday, October 11, 2026 through Tuesday, October 13, 2026 UTC 21 nm from the route, 798 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 13 October · ZDV
• 6/7634 CENTRALIA, MO, Monday, October 12, 2026 UTC 13 nm from the route, 1406 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · today · ZKC

Daylight

Sunset at OAK 6:34 pm PDT (01:34 UTC), at STL 6:27 pm CDT (23:27 UTC) (civil twilight ends 6:54 pm CDT (23:54 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.