Quebec, CanadaMagnetic latitude 57.4°Population 7,719269 m above sea level
Northern lights in La Sarre
From La Sarre the aurora is visible on most active nights — first low to the north, from about Kp 2.3.
Right now
It is still light here. Darkness starts at 19:31.
Latest measured half-hour activity worldwide: Hp30 1.
Updates every minute while this page is open. Ground data: GFZ Potsdam Hp30 index (CC BY 4.0).
Tonight in one minute
Maybe — worth a look
- Solar activity Strong enough: Kp 2.7 expected, 2.3 needed here.
- Sky Partly cloudy (69% cloud) — look for gaps.
- Darkness Dark from 19:31 to 06:33.
What to do: Go somewhere dark around 02:00, give your eyes 15 minutes to adjust and look north, low over the horizon.
- Detailed forecast Sat 17 2.7 Possible · Kp 2.7
- Sun 18 1.7 Unlikely · Kp 1.7
- 27-day trend Mon 19 2 Photos only · Kp 2
- Tue 20 3 Good chance · Kp 3
- Wed 21 4 Possible · Kp 4
- Thu 22 4 Possible · Kp 4
- Fri 23 4 Possible · Kp 4
- Sat 24 3 Possible · Kp 3
- Sun 25 2 Unlikely · Kp 2
- Mon 26 2 Photos only · Kp 2
- Tue 27 2 Photos only · Kp 2
- Wed 28 2 Photos only · Kp 2
- Thu 29 2 Photos only · Kp 2
- Fri 30 5 Good chance · Kp 5
- Sat 31 5 Good chance · Kp 5
- Sun 1 5 Possible · Kp 5
- Mon 2 3 Possible · Kp 3
- Tue 3 2 Unlikely · Kp 2
- Wed 4 2 Unlikely · Kp 2
- Thu 5 3 Possible · Kp 3
- Fri 6 3 Possible · Kp 3
- Sat 7 3 Possible · Kp 3
Saturday 17 October — Possible · Kp 2.7 · best around 19:30 · Forecast cloud: 69%. · Reliability: medium
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 07:49 local time
Possible
Best around 02:00. Forecast max Kp 2.7 (this place needs 2.3), average cloud 69%.
- Dark enough
- 19:31 – 06:33
- Sunset
- 18:23 · sunrise 07:41
- Moon
- 39% · ↑ 14:54 · ↓ 22:41
- Kp neededKp index: a 0–9 measure of geomagnetic activity. The higher it is, the further from the poles the aurora reaches.
- Kp 2.3
- Kp for photos
- In photos: from Kp 0.7 (a red glow low in the north).
- Look towards
- north (352°)
Cloud layers and weather
Low cloud blocks the aurora completely. Thin high cloud often still lets a bright aurora shine through, so a sky with only high cloud is worth a look.
| Time | Sat, 19 | Sat, 22 | Sun, 01 | Sun, 04 | Sun, 19 | Sun, 22 | Mon, 01 | Mon, 04 | Mon, 19 | Mon, 22 | Tue, 01 | Tue, 04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low cloud | 100% | 100% | 100% | 65% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Mid cloud | 0% | 0% | 0% | 2% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High cloud | 0% | 1% | 1% | 100% | 9% | 100% | 100% | 14% | 6% | 0% | 0% | 0% |
| Temperature | 3 °C | 3 °C | 2 °C | 2 °C | 9 °C | 8 °C | 8 °C | 7 °C | 8 °C | 6 °C | 4 °C | 3 °C |
| Feels like | -1 °C | 1 °C | 0 °C | -2 °C | 5 °C | 4 °C | 4 °C | 3 °C | 5 °C | 2 °C | 1 °C | 0 °C |
| Wind | 3 m/s | 2 m/s | 1 m/s | 3 m/s | 6 m/s | 5 m/s | 5 m/s | 5 m/s | 3 m/s | 3 m/s | 2 m/s | 2 m/s |
| Visibility | 14 km | 13 km | 12 km | 12 km | 18 km | 17 km | 19 km | 24 km | 24 km | 24 km | 24 km | 24 km |
Cloud layers and weather: Open-Meteo (CC BY 4.0).
Score = activity (NOAA Kp and OVATION) × clear sky (MET Norway) × darkness × moonlight. Methodology
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What you would see from La Sarre
Facing north. Bands show where the aurora sits at two activity levels.
| Kp | What you see | Lower edge | Ray tops | Distance to the aurora |
|---|---|---|---|---|
| 2 | Faint glow, mostly on camera | 8° | 17° | 567 km |
| 3 | Visible to the north | 15° | 28° | 345 km |
| 4 | Visible to the north | 40° | 58° | 122 km |
| 5 | Overhead and all around | – | – | – |
| 6 | Overhead and all around | – | – | – |
| 7 | Overhead, and also to the south | – | – | – |
| 8 | Overhead, and also to the south | – | – | – |
| 9 | Overhead, and also to the south | – | – | – |
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 eye in La Sarre camera in La Sarre Only under the auroral oval: northern Norway, Swedish and Finnish Lapland, Iceland, Alaska, northern Canada.
- Kp 3 Unsettled next 24 h 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) 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
Suburban sky. Noticeable sky glow. Bright displays are visible, but driving out of town makes a clear difference.
A noticeably darker area starts about 5 km to the north-north-west. 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 horizon towards the north is open (terrain below 0.3°), so low aurora is not blocked.
From elevation data (AWS Terrain Tiles) along seven lines of sight up to 30 km.
Best months to see the aurora in La Sarre
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
September has been the best month (25% of nights), followed by February (25%).
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| September | 25% | 54% | 9.0 h | 7° / 18°C |
| October | 16% | 35% | 10.8 h | 1° / 9°C |
| November | 7% | 20% | 12.4 h | -7° / 0°C |
| December | 13% | 36% | 13.1 h | -16° / -9°C |
| January | 20% | 50% | 12.8 h | -22° / -12°C |
| February | 25% | 52% | 11.4 h | -21° / -11°C |
| March | 25% | 53% | 9.6 h | -15° / -5°C |
| April | 20% | 52% | 7.8 h | -5° / 4°C |
Aurora nights in La Sarre 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
- 3 October 2026 · Kp 5.0
- 7 September 2026 · Kp 5.0
- 3 July 2026 · Kp 7.0
- 24 June 2026 · Kp 5.0
- 18 April 2026 · Kp 5.3
- 17 April 2026 · Kp 5.3
- 2 April 2026 · Kp 5.3
Practical information
- Nearest airport
- Rouyn Noranda Airport (YUY) · 71 km
- Typical low / high in September
- 7° / 18°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 La Sarre?
From La Sarre the aurora is visible on most active nights — first low to the north, from about Kp 2.3.
Which way should I look for the aurora in La Sarre?
Face north (about 352° from true north). At Kp 2.3 the lower edge of the aurora sits roughly 15° above the horizon; stronger activity lifts it higher and further across the sky.
What is the best month to see the aurora in La Sarre?
Over 2005–2025, September gave the best odds in La Sarre (25% of nights dark, active enough and mostly clear), followed by February (25%).
When is the aurora season in La Sarre?
La Sarre 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 La Sarre?
Noticeable sky glow. Bright displays are visible, but driving out of town makes a clear difference. A noticeably darker area starts about 5 km to the north-north-west.
When was the aurora last possible in La Sarre?
Activity last reached storm level (Kp 5 or more) during darkness in La Sarre on 4 October 2026 (Kp 5.0) — 963 such nights since 1995. Here the aurora also appears on many quieter nights.
Also covered by this forecast
Villages and districts around La Sarre share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- La Sarre 2 km
- Bienvenu 3 km
- Colombourg-Station 5 km
- Colombourg 7 km
- Sainte-Hélène-de-Mancebourg 10 km
- Dupuy 12 km
- Dupuy 12 km
- Chazel 13 km
- Clermont 13 km
- Chazel 13 km
- Dupuy 13 km
- Saint-Vital-de-Clermont 14 km
- Palmarolle 14 km
- Palmarolle 15 km
- Clerval 18 km
- Clerval 19 km
- Abana 20 km
- Val-Saint-Gilles 20 km
- Val-Saint-Gilles 20 km
- La Reine 21 km
- Gallichan 21 km
- Gallichan 23 km
- La Reine 23 km
- Normétal 23 km
- Marcotte 25 km
- Normétal 25 km
- Saint-Lambert 25 km
- Beaucanton 27 km
- Roquemaure 27 km
- Roquemaure 27 km
- Villebois 34 km