Sacramento International to Chicago Midway International SMF → MDW

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

• SIGMET W15W: thunderstorms (a convective SIGMET) up to 28,000 ft, moving from the southwest at 20 knots, until 12:55 am PDT (07:55 UTC). Over the route from 269 to 358 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 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 99 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 199 to 686 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 229 to 706 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 338 to 836 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the route from 487 to 885 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 597 to 766 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 597 to 676 nm out.
• 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 865 to 1432 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). Near the route, 1025 nm along the route.
• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Near the route, at the destination end.

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 SMF.

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

No pilot reports within 50 nautical miles of the line in the last three hours.

At MDW when you get there the forecast at the estimated arrival, 10:50 am CDT (15:50 UTC)

Wind from the south at 5 knots, visibility more than 6 miles, scattered clouds at 25,000 feet VFR

The whole forecast for MDW

• From Mon 1:00 am CDT (06:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
• From Mon 12:00 pm CDT (17:00 UTC): wind from the south-southwest at 13 knots, gusting to 24, visibility more than 6 miles, a few clouds at 25,000 feet
• From Mon 6:00 pm CDT (23:00 UTC): wind from the southwest at 12 knots, visibility more than 6 miles, a few clouds at 12,000 feet

The forecast for SMF, the departure

• From Sun 11:00 pm PDT (06:00 UTC): wind from the south-southeast at 7 knots, visibility more than 6 miles, clear skies
• From Mon 5:00 am PDT (12:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet
• From Mon 5:00 pm PDT (00:00 UTC): wind from the north-northwest at 6 knots, visibility more than 6 miles, clear skies

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

• 6/3475 BEALE AFB, CA, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local 13 nm from the route, at the departure end · security · until 1 November · ZOA

Daylight

Sunset at SMF 6:32 pm PDT (01:32 UTC), at MDW 6:14 pm CDT (23:14 UTC) (civil twilight ends 6:42 pm CDT (23:42 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.