Chicago Midway International to Sacramento International MDW → SMF

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

• SIGMET W16W: thunderstorms (a convective SIGMET) up to 27,000 ft, moving from the southwest at 20 knots, until 3:55 am CDT (08:55 UTC). Over the route from 1204 to 1283 nm out.
  as issued

  WSUS33 KKCI 120655
  MKCW WST 120655
  CONVECTIVE SIGMET 16W
  VALID UNTIL 0855Z
  UT NV
  FROM 50NW BVL-20NE BVL-40SE OAL-20N OAL-50NW BVL
  AREA TS MOV FROM 24020KT. TOPS TO FL270.

• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist), from 1:00 am CDT (06:00 UTC). Near the route, at the departure end.
• 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), from 1:00 am CDT (06:00 UTC). Over the route from 119 to 686 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), from 1:00 am CDT (06:00 UTC). Near the route, 527 nm along the route.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft, from 1:00 am CDT (06:00 UTC). Over the route from 666 to 1064 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft, from 1:00 am CDT (06:00 UTC). Over the route from 716 to 1214 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), from 1:00 am CDT (06:00 UTC). Over the route from 786 to 955 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist), from 1:00 am CDT (06:00 UTC). Over the route from 846 to 1323 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft, from 1:00 am CDT (06:00 UTC). Over the route from 865 to 1353 nm out.
• AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots), from 1:00 am CDT (06:00 UTC). Over the route from 875 to 955 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft, from 1:00 am CDT (06:00 UTC). Over the last 99 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

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

At SMF when you get there the forecast at the estimated arrival, 3:02 pm PDT (22:02 UTC)

Wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet VFR

The whole forecast for SMF

• 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

The forecast for MDW, the departure

• 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

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 destination end · security · until 1 November · ZOA

Daylight

Sunset at MDW 6:14 pm CDT (23:14 UTC), at SMF 6:31 pm PDT (01:31 UTC) (civil twilight ends 6:57 pm PDT (01:57 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.