Chicago Midway International to Oakland San Francisco Bay Airport MDW → OAK

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

• SIGMET 2C: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 40 knots, until 11:55 pm CDT (04:55 UTC). Over the route from 789 to 799 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 11:55 pm CDT (04:55 UTC). Over the route from 1249 to 1379 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 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 240 to 649 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 659 to 1109 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 709 to 1109 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 789 to 1019 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 909 to 1409 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 929 to 1349 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 959 to 979 nm out.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 15,000 ft. Near the route, 1429 nm along the route.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 110 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 MDW.

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

Not fetched just now.

At OAK when you get there the forecast at the estimated arrival, 11:37 am PDT (18:37 UTC)

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

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

• 6/7231 Santa Clara, CA, Sunday, October 11, 2026 through Monday, October 12, 2026 UTC 22 nm from the route, at the destination end · drones kept away from a public gathering · until 12 October · ZOA

Daylight

Sunset at MDW 6:14 pm CDT (23:14 UTC), at OAK 6:35 pm PDT (01:35 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.