Plan a flight · Sun 8:04 pm CDT (01:04 UTC)

Columbia Regional to MC Ghee Tyson Airport COU → TYS

432 nautical miles (497 statute miles) east on a straight line, true course 112°, about 112° magnetic at the departure end (variation 0E). At 120 knots that is 2 h 37 min at the quickest height in today's winds (34,000 ft, a 45-knot tailwind), arriving about 11:41 pm EDT (03:41 UTC), after sunset at the destination. Right now COU is VFR, wind from the south (180°) at 4 knots; TYS is marginal VFR, wind from the south-southwest (210°) at 7 knots. For planning, not a briefing: the legal preflight briefing comes from Flight Service (1-800-WX-BRIEF) or the FAA's own tools. Airlines fly this pair: 4 flights in the DOT's last twelve reported months, the route's page.

The route the straight line, the warnings crossed, restrictions, pilot reports and the airports along the way · click a mark for its words

Green, blue, red and purple airport dots are the flying conditions reported there now (VFR, marginal VFR, IFR, low IFR); grey means no report. Red areas are SIGMETs, orange areas AIRMETs, hatched red areas temporary flight restrictions. Map tiles: OpenFreeMap, data © OpenStreetMap contributors.

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

AIRMET TANGO 6W: moderate turbulence above 18,000 ft from 28,000 ft to 40,000 ft. Near the route, 285 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). Over the route from 344 to 412 nm out.
AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 59 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 COU.

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

B737 at 31,000 ft, 23 nm southwest, 7:13 pm CDT (00:13 UTC): light chop turbulence, remarks: ZME25. 187 nm along the route, 23 nm southwest of the line.
as filed, and in English
```
PAH UA /OV CNG360015/TM 0013/FL310/TP B737/TB OCNL LGT CHOP/RM ZME25
```
Report
a routine report filed through PAH
Where
15 nm north (360°) of CNG
Time
00:13 UTC
Height
at 31,000 ft
Aircraft
B737
Turbulence
occasional light chop
Remarks
ZME25
B738 at 34,000 ft, 29 nm southwest, 6:41 pm CDT (23:41 UTC): light to moderate chop turbulence, remarks: zme. 265 nm along the route, 29 nm southwest of the line.
as filed, and in English
```
CKV UA /OV CKV/TM 2341/FL340/TP B738/TB CONS LGT OCNL MOD CHOP/RM ZME
```
Report
a routine report filed through CKV
Where
over CKV
Time
23:41 UTC
Height
at 34,000 ft
Aircraft
B738
Turbulence
continuous light occasional moderate chop
Remarks
zme
B77W at 31,000 ft, 32 nm south, 6:27 pm CDT (23:27 UTC): light to moderate chop turbulence, remarks: zme. 275 nm along the route, 32 nm south of the line.
as filed, and in English
```
BNA UA /OV BNA315030/TM 2327/FL310/TP B77W/TB CONS LGT OCNL MOD CHOP/RM ZME
```
Report
a routine report filed through BNA
Where
30 nm northwest (315°) of BNA
Time
23:27 UTC
Height
at 31,000 ft
Aircraft
B77W
Turbulence
continuous light occasional moderate chop
Remarks
zme
A319 at 32,000 ft, 35 nm south, 5:56 pm CDT (22:56 UTC): light to moderate chop turbulence, remarks: ZME62. 285 nm along the route, 35 nm south of the line.
as filed, and in English
```
BNA UA /OV BNA315020/TM 2256/FL320/TP A319/TB CONS LGT OCNL MOD CHOP/RM ZME62
```
Report
a routine report filed through BNA
Where
20 nm northwest (315°) of BNA
Time
22:56 UTC
Height
at 32,000 ft
Aircraft
A319
Turbulence
continuous light occasional moderate chop
Remarks
ZME62
A319 at 25,000 ft, 23 nm northeast, 6:14 pm CDT (23:14 UTC): no turbulence. 304 nm along the route, 23 nm northeast of the line.
as filed, and in English
```
IND UA /OV BWG070017/TM 2314/FL250/TP A319/TB NEG
```
Report
a routine report filed through IND
Where
17 nm east (070°) of BWG
Time
23:14 UTC
Height
at 25,000 ft
Aircraft
A319
Turbulence
none
T206 at 9,000 ft, 48 nm southwest, 5:47 pm CDT (22:47 UTC): remarks: ZME60. 373 nm along the route, 48 nm southwest of the line.
as filed, and in English
```
CHA UA /OV CHA340032/TM 2247/FL090/TP T206/SK TOP070/RM ZME60
```
Report
a routine report filed through CHA
Where
32 nm north (340°) of CHA
Time
22:47 UTC
Height
at 9,000 ft
Aircraft
T206
Sky
TOP070
Remarks
ZME60
E170 at 33,000 ft, 5 nm southwest, 5:22 pm CDT (22:22 UTC): light to moderate chop turbulence above 33,000 ft, remarks: ZTLFD-03. 412 nm along the route, 5 nm southwest of the line.
as filed, and in English
```
TYS UA /OV VXV270025/TM 2222/FL330/TP E170/TB CONS LGT OCNL MOD CHOP 330/RM ZTLFD-03
```
Report
a routine report filed through TYS
Where
25 nm west (270°) of VXV
Time
22:22 UTC
Height
at 33,000 ft
Aircraft
E170
Turbulence
continuous light occasional moderate chop at 33,000 ft
Remarks
ZTLFD-03
CRJ9 at 30,000 ft, 45 nm east, 5:46 pm CDT (22:46 UTC): light to moderate turbulence above 30,000 ft, remarks: ZTLFD-42. At the destination end, 45 nm east of the line.
as filed, and in English
```
TYS UA /OV VXV090040/TM 2246/FL300/TP CRJ9/TB CONS LGT OCNL MOD 300/RM ZTLFD-42
```
Report
a routine report filed through TYS
Where
40 nm east (090°) of VXV
Time
22:46 UTC
Height
at 30,000 ft
Aircraft
CRJ9
Turbulence
continuous light occasional moderate at 30,000 ft
Remarks
ZTLFD-42
E75S at 29,000 ft, 7 nm northeast, 5:21 pm CDT (22:21 UTC): light to moderate turbulence, remarks: ZTLFD-39. At the destination end, 7 nm northeast of the line.
as filed, and in English
```
TYS UA /OV VXV/TM 2221/FL290/TP E75S/TB CONS LGT OCNL MOD/RM ZTLFD-39
```
Report
a routine report filed through TYS
Where
over VXV
Time
22:21 UTC
Height
at 29,000 ft
Aircraft
E75S
Turbulence
continuous light occasional moderate
Remarks
ZTLFD-39

Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 UTC · at 120 knots true airspeed

The eastbound cruising heights for this course (VFR: odd thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 6 forecast points nearest it (COU, STL, CGI, EVV, BNA, TYS). A plus sign is a headwind, a minus sign a tailwind.

Height	Average wind	Head- or tailwind	Temperature	Ground speed	Time en route	Arrival
3,500 ft	280° at 12 kt	−11 kt		131 kt	3 h 18 min	12:22 am EDT (04:22 UTC)
5,500 ft	310° at 16 kt	−16 kt		136 kt	3 h 11 min	12:15 am EDT (04:15 UTC)
7,500 ft	310° at 20 kt	−20 kt	12 °C	140 kt	3 h 05 min	12:09 am EDT (04:09 UTC)
9,500 ft	310° at 24 kt	−23 kt	9 °C	143 kt	3 h 01 min	12:05 am EDT (04:05 UTC)
11,500 ft	310° at 27 kt	−26 kt	6 °C	146 kt	2 h 58 min	12:02 am EDT (04:02 UTC)
13,500 ft	320° at 29 kt	−27 kt	2 °C	147 kt	2 h 56 min	12:00 am EDT (04:00 UTC)
15,500 ft	320° at 29 kt	−27 kt	-3 °C	147 kt	2 h 56 min	12:00 am EDT (04:00 UTC)
17,500 ft	320° at 29 kt	−27 kt	-7 °C	147 kt	2 h 56 min	12:00 am EDT (04:00 UTC)
18,000 ft FL180	320° at 29 kt	−27 kt	-8 °C	147 kt	2 h 56 min	12:00 am EDT (04:00 UTC)
24,000 ft FL240	320° at 31 kt	−28 kt	-18 °C	148 kt	2 h 55 min	11:59 pm EDT (03:59 UTC)
30,000 ft FL300	320° at 46 kt	−42 kt	-33 °C	162 kt	2 h 40 min	11:44 pm EDT (03:44 UTC)
34,000 ft FL340	320° at 49 kt	−45 kt	-41 °C	165 kt	2 h 37 min	11:41 pm EDT (03:41 UTC)
39,000 ft FL390	310° at 43 kt	−41 kt	-49 °C	161 kt	2 h 41 min	11:45 pm EDT (03:45 UTC)

Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 UTC; temperatures above 24,000 ft are below zero. Heights are above sea level; a height is left out when the forecast has no wind for it over most of the line (the ground is higher). Ground speed is the airspeed less the headwind; the time en route is for the straight line and ignores climb, descent and routing around weather.

The forecast points as issued

Point	From	3,000	6,000	9,000	12,000	18,000	24,000	30,000	34,000	39,000
COU	used from 0 nm out; 25 nm from the line	210/16	220/19 15°	240/33 10°	250/29 7°	280/21 -6°	280/19 -18°	300/34 -31°	300/40 -42°	300/60 -52°
STL	used from 49 nm out; 31 nm from the line	210/13	260/16 17°	270/21 10°	280/24 5°	310/20 -7°	320/22 -18°	320/44 -33°	320/59 -43°	310/69 -51°
CGI	used from 98 nm out; 49 nm from the line	250/10	290/12 17°	290/18 11°	300/22 5°	320/25 -8°	330/30 -18°	320/53 -33°	320/66 -42°	320/56 -50°
EVV	used from 196 nm out; 46 nm from the line	310/13	340/26 16°	330/29 10°	330/32 4°	330/30 -9°	340/38 -20°	330/60 -35°	320/57 -41°	330/39 -48°
BNA	used from 245 nm out; 55 nm from the line	280/13	340/34 16°	330/38 10°	330/44 5°	330/39 -8°	330/38 -19°	320/49 -34°	330/53 -40°	330/35 -47°
TYS	used from 344 nm out; 64 nm from the line	290/19	310/22 11°	330/25 7°	330/34 3°	320/37 -7°	300/37 -18°	300/37 -34°	280/29 -39°	270/29 -48°

The weather now: both ends and the airports along the way public airports with a weather report within 25 nm of the line, one for each stretch

Airport	Where	Conditions	Wind	Visibility	Ceiling	Elevation	Reported
COU Columbia, MO	departure	VFR	from the south (180°) at 4 knots	10+ mi	none	889 ft	7:54 pm CDT (00:54 UTC)
SUS St Louis, MO	69 nm out, 20 nm northeast of the line, tower	VFR	from the south-southeast (150°) at 5 knots	10+ mi	none	463 ft	00:54 UTC
CPS Cahokia/St Louis, IL	98 nm out, 24 nm north of the line, tower	VFR	from the south-southeast (160°) at 5 knots	10+ mi	none	412 ft	00:53 UTC
MWA Marion, IL	167 nm out, 3 nm northwest of the line, tower	VFR	from the south (190°) at 4 knots	10+ mi	none	471 ft	00:55 UTC
HSB Harrisburg, IL	187 nm out, 13 nm north of the line	VFR	calm	10+ mi	none	398 ft	00:55 UTC
GDA Marion, KY	216 nm out, 5 nm southwest of the line	VFR	from the southwest (220°) at 3 knots	10+ mi	none	652 ft	23:35 UTC
BWG Bowling Green, KY	295 nm out, 10 nm northeast of the line	VFR	calm	10+ mi	none	547 ft	00:53 UTC
TZV Tompkinsville, KY	334 nm out, 13 nm northeast of the line	no report just now				1,036 ft
CSV Crossville, TN	383 nm out, 17 nm southwest of the line	low IFR Sky: overcast at 400 feet Weather: mist	from the west-northwest (290°) at 6 knots, gusting to 15	4 mi	400 ft	1,881 ft	00:53 UTC
RKW Rockwood, TN	403 nm out, 10 nm southwest of the line	IFR Sky: overcast at 700 feet	variable at 5 knots, gusting to 13	10+ mi	700 ft	1,664 ft	00:55 UTC
TYS Knoxville, TN	destination	marginal VFR Sky: overcast at 1,600 feet	from the south-southwest (210°) at 7 knots	10+ mi	1,600 ft	986 ft	8:53 pm EDT (00:53 UTC)

The highest airport on this list sits at 1,881 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At TYS when you get there the forecast at the estimated arrival, 11:41 pm EDT (03:41 UTC)

Wind from the west-southwest at 9 knots, visibility more than 6 miles, scattered clouds at 1,000 feet, a broken layer at 1,500 feet marginal VFR

The whole forecast for TYS

From Sun 8:00 pm EDT (00:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, scattered clouds at 1,000 feet, a broken layer at 1,500 feet
From Mon 3:00 am EDT (07:00 UTC): wind from the southwest at 7 knots, visibility more than 6 miles, a broken layer at 2,500 feet
From Mon 8:00 am EDT (12:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 3,500 feet, scattered clouds at 25,000 feet

The forecast for COU, the departure

From Sun 7:00 pm CDT (00:00 UTC): wind from the south-southwest at 7 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
From Mon 10:00 am CDT (15:00 UTC): wind from the southwest at 13 knots, gusting to 24, visibility more than 6 miles, a few clouds at 25,000 feet

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

6/7634 CENTRALIA, MO, Monday, October 12, 2026 UTC 19 nm from the route, at the departure end · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · today · ZKC

Daylight

Sunset at COU 6:35 pm CDT (23:35 UTC), at TYS 7:04 pm EDT (23:04 UTC) (civil twilight ends 7:30 pm EDT (23:30 UTC)). At 120 knots the arrival at TYS is before sunrise there (7:39 am EDT (11:39 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.

Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads

Radar now, the upper Mississippi valley · loop National Weather Service

Radar now, the central Great Lakes · loop National Weather Service

Radar now, the lower Mississippi valley · loop National Weather Service

Radar, the whole country · loop National Weather Service

Surface analysis now Weather Prediction Center

Forecast chart, 12 hours ahead Weather Prediction Center

Forecast chart, 24 hours ahead Weather Prediction Center

Sources: the Aviation Weather Center's data service (SIGMETs, AIRMETs, graphical AIRMETs, pilot reports, winds and temperatures aloft, observations and terminal forecasts), the National Weather Service radar, the Weather Prediction Center's charts, the FAA's temporary flight restriction list and shapes, and the FAA's airport file for the positions, elevations and magnetic variation. Fetched when the page is viewed and kept a few minutes. Each leg is the straight line between its two airports; airways, terrain and airspace are not considered. The airports in detail: Columbia Regional, MC Ghee Tyson Airport.