Tri-Cities Airport to Washington Dulles International PSC → IAD
1,870 nautical miles (2,152 statute miles) east on a straight line, true course 088°, about 073° magnetic at the departure end (variation 15E). At 120 knots that is 11 h at the quickest height in today's winds (39,000 ft, a 50-knot tailwind), arriving about 7:27 am EDT (11:27 UTC). 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: 5 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
- SIGMET W70W: thunderstorms (a convective SIGMET) up to 32,000 ft, moving from the southwest at 40 knots, until 6:55 pm PDT (01:55 UTC). Over the route from 520 to 540 nm out.
as issued
WSUS33 KKCI 112355 MKCW WST 112355 CONVECTIVE SIGMET 70W VALID UNTIL 0155Z MT WY FROM 30SSW MLS-60WNW BFF-40SSE OCS-10S BPI-10S BIL-30SSW MLS AREA TS MOV FROM 22040KT. TOPS TO FL320.
- SIGMET E17E: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the west at 15 knots, until 6:55 pm PDT (01:55 UTC). Over the route from 1670 to 1740 nm out.
as issued
WSUS31 KKCI 112355 MKCE WST 112355 CONVECTIVE SIGMET 17E VALID UNTIL 0155Z PA MD VA NC WV OH KY FROM 30WSW EWC-20E RIC-70NNE ILM-70W BKW-10ESE APE-30WSW EWC AREA TS MOV FROM 28015KT. TOPS TO FL310.
- SIGMET E16E: thunderstorms (a convective SIGMET) up to 32,000 ft, moving from the southwest at 25 knots, until 6:55 pm PDT (01:55 UTC). Over the route from 1810 to 1840 nm out.
as issued
WSUS31 KKCI 112355 MKCE WST 112355 CONVECTIVE SIGMET 16E VALID UNTIL 0155Z NY NJ PA DE MD VA DC WV AND NJ NY CSTL WTRS FROM SAX-30SE JFK-10N DCA-60ENE EKN-SAX AREA EMBD TS MOV FROM 22025KT. TOPS TO FL320.
- AIRMET ZULU 2C: moderate icing up to 14,000 ft. Over the first 200 nm of the route.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 30 to 460 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 110 to 660 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 170 to 780 nm out.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Near the route, 420 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 1540 to 1650 nm out.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1700 to 1840 nm out.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the last 150 nm of 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 last 110 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 PSC.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
Not fetched just now.
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 19 forecast points nearest it (LWS, DLN, BIL, MLS, DIK, PIR, ABR, FSD, MCW, LSE, DBQ, JOT, MKG, FWA, CMH, CLE, AGC, EKN, RIC). 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 | 220° at 7 kt | −2 kt | 122 kt | 15 h 20 min | 11:47 am EDT (15:47 UTC) | |
| 5,500 ft | 230° at 2 kt | −1 kt | 11 °C | 121 kt | 15 h 27 min | 11:54 am EDT (15:54 UTC) |
| 7,500 ft | 250° at 3 kt | −2 kt | 8 °C | 122 kt | 15 h 20 min | 11:47 am EDT (15:47 UTC) |
| 9,500 ft | 240° at 6 kt | −5 kt | 5 °C | 125 kt | 14 h 58 min | 11:25 am EDT (15:25 UTC) |
| 11,500 ft | 230° at 10 kt | −6 kt | 2 °C | 126 kt | 14 h 50 min | 11:17 am EDT (15:17 UTC) |
| 13,500 ft | 230° at 13 kt | −9 kt | -2 °C | 129 kt | 14 h 30 min | 10:57 am EDT (14:57 UTC) |
| 15,500 ft | 230° at 16 kt | −12 kt | -6 °C | 132 kt | 14 h 10 min | 10:37 am EDT (14:37 UTC) |
| 17,500 ft | 230° at 19 kt | −15 kt | -10 °C | 135 kt | 13 h 51 min | 10:18 am EDT (14:18 UTC) |
| 18,000 ft FL180 | 240° at 20 kt | −15 kt | -11 °C | 135 kt | 13 h 51 min | 10:18 am EDT (14:18 UTC) |
| 24,000 ft FL240 | 240° at 30 kt | −24 kt | -21 °C | 144 kt | 12 h 59 min | 9:26 am EDT (13:26 UTC) |
| 30,000 ft FL300 | 240° at 35 kt | −27 kt | -35 °C | 147 kt | 12 h 43 min | 9:10 am EDT (13:10 UTC) |
| 34,000 ft FL340 | 240° at 44 kt | −37 kt | -42 °C | 157 kt | 11 h 55 min | 8:22 am EDT (12:22 UTC) |
| 39,000 ft FL390 | 260° at 53 kt | −50 kt | -49 °C | 170 kt | 11 h | 7:27 am EDT (11:27 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| LWS | used from 0 nm out; 63 nm from the line | 010/5 | 050/14 -2° | 040/12 -6° | 160/7 -10° | 190/30 -22° | 200/54 -27° | 200/48 -35° | 210/40 -37° | 230/32 -41° |
| DLN | used from 200 nm out; 76 nm from the line | 080/10 -3° | 180/8 -3° | 180/23 -14° | 200/58 -22° | 200/80 -36° | 220/85 -41° | 230/81 -45° | ||
| BIL | used from 350 nm out; 67 nm from the line | 080/24 | 130/14 -1° | 180/33 0° | 210/43 -10° | 220/58 -21° | 200/55 -36° | 220/75 -44° | 240/83 -48° | |
| MLS | used from 500 nm out; 45 nm from the line | 120/22 5° | 170/18 4° | 200/33 1° | 230/49 -10° | 230/58 -21° | 220/54 -37° | 230/64 -44° | 250/74 -49° | |
| DIK | used from 650 nm out; 82 nm from the line | 110/15 6° | 200/17 5° | 230/31 1° | 240/47 -10° | 240/52 -20° | 230/52 -36° | 240/57 -45° | 250/67 -51° | |
| PIR | used from 700 nm out; 85 nm from the line | L/V 17° | 230/13 12° | 220/22 6° | 250/31 -9° | 250/34 -21° | 240/50 -35° | 230/61 -43° | 240/62 -51° | |
| ABR | used from 850 nm out; 41 nm from the line | 030/24 | 220/5 16° | 230/18 12° | 230/32 5° | 240/38 -10° | 250/37 -20° | 240/40 -35° | 240/56 -44° | 250/72 -52° |
| FSD | used from 900 nm out; 63 nm from the line | 200/16 | 220/20 17° | 240/26 13° | 230/19 6° | 240/25 -9° | 240/28 -20° | 250/39 -33° | 250/44 -43° | 260/63 -52° |
| MCW | used from 1050 nm out; 51 nm from the line | 200/35 | 240/33 18° | 250/20 10° | 260/10 6° | 270/18 -8° | 260/28 -19° | 280/30 -34° | 290/49 -43° | 280/70 -54° |
| LSE | used from 1150 nm out; 33 nm from the line | 220/33 | 250/29 17° | 250/15 9° | 260/12 6° | 280/21 -9° | 280/33 -20° | 300/43 -36° | 310/56 -45° | 300/79 -53° |
| DBQ | used from 1200 nm out; 46 nm from the line | 220/23 | 240/22 16° | 240/24 10° | 260/18 5° | 270/16 -8° | 290/27 -19° | 310/42 -35° | 320/55 -44° | 300/71 -52° |
| JOT | used from 1300 nm out; 67 nm from the line | 230/11 | 290/12 16° | 300/19 10° | 320/19 4° | 300/17 -9° | 330/31 -20° | 320/49 -37° | 320/53 -45° | 320/67 -49° |
| MKG | used from 1400 nm out; 69 nm from the line | 250/5 | 320/10 15° | 310/19 9° | 320/21 3° | 310/23 -10° | 330/37 -22° | 330/51 -38° | 320/44 -47° | 300/60 -49° |
| FWA | used from 1450 nm out; 44 nm from the line | 350/9 | 350/24 15° | 360/25 9° | 360/29 4° | 350/31 -10° | 340/39 -22° | 330/40 -37° | 320/38 -43° | 320/48 -48° |
| CMH | used from 1550 nm out; 66 nm from the line | 340/14 | 320/13 12° | 350/12 8° | 360/10 2° | 350/27 -10° | 340/20 -22° | 320/31 -35° | 270/25 -39° | 260/32 -48° |
| CLE | used from 1600 nm out; 45 nm from the line | 340/5 | 320/13 14° | 300/12 8° | 310/10 2° | 310/14 -10° | 340/14 -23° | 320/27 -35° | 260/28 -40° | 250/36 -48° |
| AGC | used from 1650 nm out; 60 nm from the line | 140/12 | 350/10 12° | L/V 9° | L/V 3° | 200/11 -11° | 220/21 -22° | 220/47 -33° | 230/51 -39° | 230/45 -48° |
| EKN | used from 1800 nm out; 75 nm from the line | 270/18 13° | 310/5 7° | 140/7 3° | 210/16 -9° | 220/41 -20° | 210/57 -32° | 220/57 -38° | 230/49 -47° | |
| RIC | used from 1850 nm out; 92 nm from the line | 190/33 | 200/29 14° | 210/31 12° | 210/38 6° | 230/42 -7° | 230/68 -16° | 220/84 -29° | 220/86 -40° | 220/81 -52° |
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 |
|---|---|---|---|---|---|---|---|
| PSC Pasco, WA | departure | no report just now | 410 ft | ||||
| LWS Lewiston, ID | 90 nm out, 6 nm northwest of the line, tower | no report just now | 1,442 ft | ||||
| BZN Bozeman, MT | 330 nm out, 22 nm south of the line, tower | no report just now | 4,473 ft | ||||
| BIL Billings, MT | 440 nm out, 11 nm south of the line, tower | no report just now | 3,662 ft | ||||
| MKA Miller, SD | 850 nm out, 20 nm south of the line | no report just now | 1,569 ft | ||||
| AUM Austin, MN | 1120 nm out, 3 nm southwest of the line | no report just now | 1,233 ft | ||||
| JVL Janesville, WI | 1300 nm out, 9 nm south of the line, tower | no report just now | 807 ft | ||||
| UGN Chicago/Waukegan, IL | 1350 nm out, 3 nm southeast of the line, tower | no report just now | 728 ft | ||||
| MFD Mansfield, OH | 1610 nm out, 1 nm east of the line, tower | no report just now | 1,297 ft | ||||
| HLG Wheeling, WV | 1710 nm out, 5 nm northwest of the line, tower | no report just now | 1,194 ft | ||||
| IAD Washington, DC | destination | no report just now | 312 ft |
The highest airport on this list sits at 4,473 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At IAD when you get there the forecast at the estimated arrival, 7:27 am EDT (11:27 UTC)
IAD has no terminal forecast; use the nearest airport that does.
Temporary flight restrictions on the line or within 25 nm of it
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 22 nm from the route, 1680 nm along the route · a VIP movement · today · ZOB
- 6/8587 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 22 nm from the route, 1680 nm along the route · a VIP movement · today · ZOB
- 4/9383 WASHINGTON, DC., USA 8 nm from the route, at the destination end · security · ZDC
- 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 4 nm from the route, at the destination end · a VIP movement · today · ZDC
Daylight
Sunset at PSC 6:15 pm PDT (01:15 UTC), at IAD 6:36 pm EDT (22:36 UTC) (civil twilight ends 7:02 pm EDT (23:02 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







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: Tri-Cities Airport, Washington Dulles International.
