Quebec, CanadaMagnetic latitude 53.1°Population 5,747396 m above sea level
Northern lights in Lac-Mégantic
Lac-Mégantic needs an active night: from about Kp 4.7 the aurora appears low over the north-north-west horizon, and it rises higher as activity grows. Since 1995 that level (Kp 4.7) was reached during darkness here on 1,003 nights.
Right now
It is still light here. Darkness starts at 19:00.
Updates every minute while this page is open.
Tonight in one minute
Not tonight
- Solar activity Too weak: Kp 2.7 expected, 4.7 needed here.
- Sky Overcast (100% cloud).
- Darkness Dark from 19:00 to 05:58.
What to do: Not tonight — your next chance is shown just below.
- Detailed forecast Fri 16 2.7 No · Kp 2.7
- Sat 17 1.7 No · Kp 1.7
- 27-day trend Sun 18 2 No · Kp 2
- Mon 19 2 No · Kp 2
- Tue 20 3 Photos only · Kp 3
- Wed 21 4 Photos only · Kp 4
- Thu 22 4 Photos only · Kp 4
- Fri 23 4 Photos only · Kp 4
- Sat 24 3 Photos only · Kp 3
- Sun 25 2 No · Kp 2
- Mon 26 2 No · Kp 2
- Tue 27 2 No · Kp 2
- Wed 28 2 No · Kp 2
- Thu 29 2 No · Kp 2
- Fri 30 5 Good chance · Kp 5
- Sat 31 5 Good chance · Kp 5
- Sun 1 5 Good chance · Kp 5
- Mon 2 3 Photos only · Kp 3
- Tue 3 2 No · Kp 2
- Wed 4 2 No · Kp 2
- Thu 5 3 Photos only · Kp 3
- Fri 6 3 Photos only · Kp 3
- Sat 7 3 Photos only · Kp 3
Friday 30 October — Good chance · Kp 5 · best around 23:30 · No cloud forecast this far ahead; in October about 48% of nights are clear here. · Reliability: low (rough trend)
Each box is one night: the colour shows the chance, the number the expected Kp. Tap a night for details.
📅 Add these nights to your calendar — it updates itself (.ics)
How far ahead can the northern lights be forecast?
- Minutes to an hour: satellites 1.5 million km away measure the solar wind before it reaches Earth. This is the surest warning — the “Right now” box uses it.
- 1–3 days: when the Sun throws out a cloud of particles, it takes one to three days to arrive. NOAA's 3-hourly forecast covers these nights; the timing can still be off by a few hours.
- 4–27 days: the Sun turns once every 27 days, and regions that disturbed Earth's field last time often do it again. NOAA's 27-day outlook gives this rough trend — new eruptions are not in it yet.
Tonight
Updated 15:09 local time
Unlikely
Best around 18:00. Forecast max Kp 2.7 (this place needs 4.7), average cloud 100%.
- Dark enough
- 19:00 – 05:58
- Sunset
- 17:56 · sunrise 07:02
- Moon
- 33% · ↑ 13:22 · ↓ 21:20
- Kp neededKp index: a 0–9 measure of geomagnetic activity. The higher it is, the further from the poles the aurora reaches.
- Kp 4.7
- Kp for photos
- In photos: from Kp 3 (a red glow low in the north-north-west).
- Look towards
- north-north-west (346°)
Score = activity (NOAA Kp and OVATION) × clear sky (MET Norway) × darkness × moonlight. Methodology
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What you would see from Lac-Mégantic
Facing north-north-west. Bands show where the aurora sits at two activity levels.
| Kp | What you see | Lower edge | Ray tops | Distance to the aurora |
|---|---|---|---|---|
| 2 | Below the horizon | 1° | 6° | 1,045 km |
| 3 | Faint glow, mostly on camera | 4° | 10° | 823 km |
| 4 | Faint glow, mostly on camera | 7° | 15° | 600 km |
| 5 | Visible to the north-north-west | 14° | 26° | 378 km |
| 6 | Visible to the north-north-west | 33° | 51° | 156 km |
| 7 | Overhead and all around | – | – | – |
| 8 | Overhead and all around | – | – | – |
| 9 | Overhead, and also to the south-south-east | – | – | – |
The Kp scale in plain words
Kp is a 0–9 score for how strongly the Earth's magnetic field is being shaken by the solar wind. The higher it goes, the further from the poles the northern lights reach. Kp 0–2 is a quiet night; Kp 5 and above is a geomagnetic storm.
- Kp 0–2 Quiet Only under the auroral oval: northern Norway, Swedish and Finnish Lapland, Iceland, Alaska, northern Canada.
- Kp 3 Unsettled next 24 h camera in Lac-Mégantic Bright in the Arctic; low on the horizon in central Scandinavia and southern Iceland.
- Kp 4 Active Overhead in the Arctic; low in the north from southern Norway, Sweden, Finland and northern Scotland.
- Kp 5 Minor storm (G1) eye in Lac-Mégantic Scotland, southern Scandinavia, the Baltic states, the northern US states and southern Canada.
- Kp 6 Moderate storm (G2) Northern England, Denmark, northern Germany and Poland, the US Midwest — often clearer in photos than to the eye.
- Kp 7 Strong storm (G3) Most of the UK, the Netherlands, Germany, Poland, Czechia; red glow in photos from France and the northern Alps.
- Kp 8 Severe storm (G4) Central Europe to the eye; red sky in photos from northern Italy, Spain, the Balkans and Turkey's Black Sea coast.
- Kp 9 Extreme storm (G5) Seen across Europe and the US; in photos as far south as the Mediterranean, Turkey and North Africa (May 2024).
Light pollution
Rural to suburban. Some sky glow from nearby lights. Moderate displays are fine; faint ones are easier a few kilometres out.
A noticeably darker area starts about 5 km to the south-east. Open in OpenStreetMap
Estimate from NASA VIIRS night-light data (sky-glow model within 50 km). Check access and private land before you go.
Hills and mountains
The terrain rises to about 3° above the horizon towards the north-north-west. That hides low aurora: here you need about Kp 4.7 instead of Kp 4.7. A hilltop, shore or open field with a clear view to the north-north-west helps.
From elevation data (AWS Terrain Tiles) along seven lines of sight up to 30 km.
Best months to see the aurora in Lac-Mégantic
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
September has been the best month (7% of nights), followed by March (5%).
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| September | 7% | 61% | 9.1 h | 9° / 19°C |
| October | 3% | 48% | 10.9 h | 3° / 12°C |
| November | 3% | 41% | 12.0 h | -4° / 3°C |
| December | 2% | 39% | 12.6 h | -11° / -4°C |
| January | 2% | 53% | 12.4 h | -16° / -7°C |
| February | 3% | 58% | 11.4 h | -16° / -6°C |
| March | 5% | 55% | 9.9 h | -10° / 0°C |
| April | 4% | 49% | 8.1 h | -2° / 8°C |
Aurora nights in Lac-Mégantic since 1995
Nights when Kp reached 4.7 or more while it was dark here.
Most recent strong nights
- 4 October 2026 · Kp 5.0
- 7 September 2026 · Kp 5.0
- 3 July 2026 · Kp 7.0
- 24 June 2026 · Kp 5.0
- 15 May 2026 · Kp 5.7
- 18 April 2026 · Kp 5.3
- 17 April 2026 · Kp 5.3
- 2 April 2026 · Kp 5.3
Practical information
- Nearest airport
- Quebec Jean Lesage International Airport (YQB) · 140 km
- Typical low / high in September
- 9° / 19°C
- What to wear
- Cool nights: layers, a windproof jacket, hat and gloves for standing still outside. Full clothing guide
- Emergency number
- 911
- Winter driving
- Rules are provincial: Québec requires winter tyres (mountain-snowflake symbol or studded) on Québec-registered vehicles Dec 1–Mar 15, and BC requires winter tyres or chains on signed routes Oct 1–Mar 31 (to Apr 30 on mountain passes/high-snowfall routes); road conditions via 511 Yukon (511yukon.ca), DriveNWT (drivenwt.ca), 511 Alberta, Manitoba 511 (manitoba511.ca) and DriveBC. Road conditions
- Access to land
- There is no national right to roam; private land requires the owner's permission, while national/provincial parks and Crown land are generally accessible subject to park rules, which vary by province and territory.
- Official space-weather service
- Space Weather Canada (Natural Resources Canada)
- Weather service
- Environment and Climate Change Canada (weather.gc.ca)
Questions and answers
What Kp do you need to see the aurora in Lac-Mégantic?
Lac-Mégantic needs an active night: from about Kp 4.7 the aurora appears low over the north-north-west horizon, and it rises higher as activity grows.
Which way should I look for the aurora in Lac-Mégantic?
Face north-north-west (about 346° from true north). At Kp 4.7 the lower edge of the aurora sits roughly 14° above the horizon; stronger activity lifts it higher and further across the sky.
What is the best month to see the aurora in Lac-Mégantic?
Over 2005–2025, September gave the best odds in Lac-Mégantic (7% of nights dark, active enough and mostly clear), followed by March (5%).
When is the aurora season in Lac-Mégantic?
Lac-Mégantic gets dark enough for the aurora all year round, though the long winter nights give the most hours to watch.
Is there much light pollution in Lac-Mégantic?
Some sky glow from nearby lights. Moderate displays are fine; faint ones are easier a few kilometres out. A noticeably darker area starts about 5 km to the south-east.
When was the aurora last possible in Lac-Mégantic?
The most recent night in our data when activity reached the level Lac-Mégantic needs, during darkness, was 4 October 2026 (Kp 5.0). It has happened on 1,003 nights since 1995.
Also covered by this forecast
Villages and districts around Lac-Mégantic share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- Fatima 1 km
- Laval-Nord 3 km
- Frontenac 4 km
- La Grosse-Roche 5 km
- Marsboro 6 km
- Marston 6 km
- Vieux-Piopolis 9 km
- Frontenac 9 km
- Sainte-Cécile-de-Whitton 10 km
- Le Coin 11 km
- Piopolis 11 km
- Sainte-Cécile-de-Whitton 11 km
- Nantes 12 km
- Nantes 13 km
- Piopolis 13 km
- Audet 14 km
- Saint-Samuel-Station 14 km
- Audet 14 km
- Lac-Drolet 15 km
- Lac-Drolet 17 km
- Val-Racine 18 km
- Domaine-Donald-Morrison 20 km
- Gayhurst-Partie-Sud-Est 20 km
- Milan 20 km
- Milan 20 km
- Saint-Augustin-de-Woburn 22 km
- Woburn 22 km
- Saint-Ludger 22 km
- Risborough 23 km
- Saint-Ludger 23 km
- Saint-Sébastien 23 km
- Mont-Mégantic 24 km
- Saint-Sébastien 24 km
- Notre-Dame-des-Bois 25 km
- Saint-Romain 25 km
- Notre-Dame-des-Bois 27 km