Yellowstone Regional to Chicago O'Hare International COD → ORD

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

• SIGMET C11C: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 40 knots, until 1:55 am MDT (07:55 UTC). Over the route from 218 to 288 nm out.
  as issued

  WSUS32 KKCI 120555
  MKCC WST 120555
  CONVECTIVE SIGMET 11C
  VALID UNTIL 0755Z
  SD WY
  FROM 60WNW DPR-20SSE DPR-40SSW RAP-60W RAP-60WNW DPR
  DMSHG AREA TS MOV FROM 22040KT. TOPS TO FL310.

• 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 first 477 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the first 139 nm of the route.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 179 nm of the route.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 89 nm of the route.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the route from 20 to 218 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 50 to 248 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 625 to 834 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 COD.

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 ORD when you get there the forecast at the estimated arrival, 6:55 am CDT (11:55 UTC)

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

The whole forecast for ORD

• 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 COD, the departure

• From Mon 12:00 am MDT (06:00 UTC): wind from the north-northeast at 10 knots, visibility 6 miles, light showers rain snow, mist, overcast at 1,000 feet
• From Mon 1:00 am MDT (07:00 UTC): wind from the north-northeast at 10 knots, visibility 6 miles, mist, a broken layer at 1,000 feet, overcast at 1,800 feet
• From Mon 12:00 pm MDT (18:00 UTC): wind from the northeast at 4 knots, visibility more than 6 miles, scattered clouds at 1,500 feet, overcast at 3,000 feet
• 30% chance between Mon 12:00 pm MDT (18:00 UTC) and 6:00 pm MDT (00:00 UTC): visibility 6 miles, light showers rain snow
• From Mon 6:00 pm MDT (00:00 UTC): wind from the east-northeast at 5 knots, visibility more than 6 miles, scattered clouds at 500 feet, a broken layer at 1,000 feet and more above

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

No temporary flight restriction on or near this route right now.

Daylight

Sunset at COD 6:35 pm MDT (00:35 UTC), at ORD 6:15 pm CDT (23:15 UTC) (civil twilight ends 6:43 pm CDT (23:43 UTC)). At 120 knots the arrival at ORD is before sunrise there (7:00 am CDT (12:00 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.