Minnesota, United StatesMagnetic latitude 57.8°Population 2,715320 m above sea level
Northern lights in Roseau
From Roseau 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 19:39.
Updates every minute while this page is open.
Tonight in one minute
Only in photos, if at all
- Solar activity Enough for a camera: Kp 1.7 expected, 0.7 needed for photos, 2.3 for the eye.
- Sky Mostly clear (17% cloud).
- Darkness Dark from 19:39 to 06:38.
What to do: Point a phone in night mode north (3–10 s exposure). A red or green glow often shows on the screen before you can see it.
- Detailed forecast Fri 16 1.7 Photos only · Kp 1.7
- Sat 17 1.7 Unlikely · Kp 1.7
- 27-day trend Sun 18 2 Unlikely · Kp 2
- Mon 19 2 Photos only · Kp 2
- Tue 20 3 Good chance · Kp 3
- Wed 21 4 Good chance · Kp 4
- Thu 22 4 Possible · Kp 4
- Fri 23 3 Possible · Kp 3
- Sat 24 2 Unlikely · Kp 2
- Sun 25 2 Photos only · 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 3 Good chance · Kp 3
- Mon 2 2 Photos only · Kp 2
- Tue 3 2 Photos only · Kp 2
- Wed 4 2 Photos only · Kp 2
- Thu 5 3 Good chance · Kp 3
- Fri 6 3 Good chance · Kp 3
Wednesday 21 October — Good chance · Kp 3 · best around 00:30 · Forecast cloud: 49%. · 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 10:33 local time
Possible
Best around 20:00. Forecast max Kp 1.7 (this place needs 2.3), average cloud 17%.
- Dark enough
- 19:39 – 06:38
- Sunset
- 18:31 · sunrise 07:46
- Moon
- 31% · ↑ 14:23 · ↓ 21:46
- 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 (4°)
Score = activity (NOAA Kp and OVATION) × clear sky (MET Norway) × darkness × moonlight. Methodology
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What you would see from Roseau
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 | 9° | 18° | 523 km |
| 3 | Visible to the north | 18° | 32° | 300 km |
| 4 | Visible to the north | 53° | 68° | 78 km |
| 5 | Overhead and all around | – | – | – |
| 6 | Overhead, and also to the south | – | – | – |
| 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 next 24 h eye in Roseau camera in Roseau Only under the auroral oval: northern Norway, Swedish and Finnish Lapland, Iceland, Alaska, northern Canada.
- Kp 3 Unsettled 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 west-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 0.0°), 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 Roseau
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
February has been the best month (30% of nights), followed by March (26%).
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| September | 26% | 63% | 9.0 h | 9° / 21°C |
| October | 24% | 49% | 10.8 h | 1° / 11°C |
| November | 13% | 35% | 12.4 h | -7° / 1°C |
| December | 17% | 45% | 13.1 h | -16° / -8°C |
| January | 24% | 58% | 12.8 h | -21° / -11°C |
| February | 30% | 62% | 11.4 h | -20° / -9°C |
| March | 26% | 57% | 9.6 h | -9° / 2°C |
| April | 18% | 54% | 7.8 h | -1° / 11°C |
Aurora nights in Roseau 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
- Thief River Falls Regional Airport (TVF) · 92 km
- Typical low / high in February
- -20° / -9°C
- What to wear
- Extreme cold: insulated boots, down jacket, two layers of wool, face protection, chemical hand warmers. Full clothing guide
- Emergency number
- 911
- Winter driving
- Tyre and chain rules are set at state level; check Alaska 511 (511.alaska.gov, Alaska DOT&PF) for Alaska roads, or the relevant state's 511 service elsewhere. Road conditions
- Access to land
- There is no general right to roam; trespass law is set by each state, so stay on public land (national parks, national forests, BLM land) or get the landowner's permission, and follow each park's night-time and parking rules.
- Official space-weather service
- NOAA Space Weather Prediction Center (aurora dashboard)
- Weather service
- National Weather Service (NOAA)
Questions and answers
What Kp do you need to see the aurora in Roseau?
From Roseau 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 Roseau?
Face north (about 4° from true north). At Kp 2.3 the lower edge of the aurora sits roughly 18° above the horizon; stronger activity lifts it higher and further across the sky.
What is the best month to see the aurora in Roseau?
Over 2005–2025, February gave the best odds in Roseau (30% of nights dark, active enough and mostly clear), followed by March (26%).
When is the aurora season in Roseau?
Roseau 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 Roseau?
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 west-north-west.
When was the aurora last possible in Roseau?
Activity last reached storm level (Kp 5 or more) during darkness in Roseau on 4 October 2026 (Kp 5.0) — 921 such nights since 1995. Here the aurora also appears on many quieter nights.
Also covered by this forecast
Villages and districts around Roseau share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- City of Roseau 0 km
- Oak Manor Mobile Home Village 0 km
- Mobile Court East 1 km
- West Side Trailer Court 1 km
- Township of Jadis 4 km
- Township of Spruce 6 km
- Malung 9 km
- Roseau County 9 km
- Fox 10 km
- Township of Stafford 10 km
- Township of Malung 11 km
- Ross 13 km
- Township of Ross 13 km
- Unorganized Territory of North Roseau 14 km
- Salol 14 km
- Timberline Mobile Home Park 14 km
- Enstrom Estates 14 km
- Woodland Mobile Home Park 14 km
- Township of Enstrom 16 km
- Township of Stokes 16 km
- Township of Dieter 17 km
- Township of Falun 19 km
- Township of Grimstad 19 km
- Pencer 19 km
- Badger 20 km
- City of Badger 20 km
- Township of Mickinock 20 km
- Pinecreek 20 km
- Palisade Mobile Home Park 20 km
- Oak View Mobile Home Park 20 km
- Wannaska 21 km
- Pioneer Mobile Home Park 21 km
- Township of Moose 23 km
- Township of Nereson 23 km
- Township of Pohlitz 25 km
- Township of Skagen 25 km
- Township of Beaver 26 km
- Torfin 28 km
- Township of Barnett 29 km
- Township of Palmville 29 km