Waukegan Ntl Airport to Mineta San Jose International UGN → SJC

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

• SIGMET W20W: thunderstorms (a convective SIGMET) up to 26,000 ft, moving from the south at 35 knots, until 6:55 am CDT (11:55 UTC). Near the route, 1238 nm along the route.
  as issued

  WSUS33 KKCI 120955
  MKCW WST 120955
  CONVECTIVE SIGMET 20W
  VALID UNTIL 1155Z
  AZ UT NV
  FROM 50E ELY-40ENE BCE-70NNE PGS-70N LAS-ELY-50E ELY
  AREA TS MOV FROM 20035KT. TOPS TO FL260.

• 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 150 to 539 nm out.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 509 to 649 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 649 to 938 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 719 to 1088 nm out.
• AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 749 to 888 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 819 to 1348 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 848 to 1338 nm out.
• AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Near the route, 848 nm along the route.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 898 to 1258 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 180 nm of the route.
• AIRMET SIERRA 2E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1457 to 1507 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 UGN.

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

• A35K at 32,000 ft, 47 nm northwest, 3:39 am CDT (08:39 UTC): moderate chop turbulence, remarks: fdcs zoa. At the destination end, 47 nm northwest 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

At SJC when you get there the forecast at the estimated arrival, 7:18 pm PDT (02:18 UTC)

Wind from the northwest at 8 knots, visibility more than 6 miles, clear skies VFR

The whole forecast for SJC

• From Sun 11:00 pm PDT (06:00 UTC): wind from the southeast at 4 knots, visibility more than 6 miles, clear skies
• From Mon 1:00 pm PDT (20:00 UTC): wind from the northwest 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 18 nm from the route, 1487 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 20 October · ZOA

Daylight

Sunset at UGN 6:14 pm CDT (23:14 UTC), at SJC 6:33 pm PDT (01:33 UTC) (civil twilight ends 6:59 pm PDT (01:59 UTC)). At 120 knots the arrival at SJC is after sunset there (6:35 pm PDT (01:35 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.