Innlandet, NorwayMagnetic latitude 58.4°Population 2,216220 m above sea level
Northern lights in Rena
From Rena the aurora is visible on most active nights — first low to the north, from about Kp 2.
Right now
It is still light here. Darkness starts at 19:27.
Latest measured half-hour activity worldwide: Hp30 1.3.
Updates every minute while this page is open. Ground data: GFZ Potsdam Hp30 index (CC BY 4.0).
Tonight in one minute
Yes — good chance tonight
- Solar activity Strong enough: Kp 2 expected, 2 needed here.
- Sky Mostly clear (0% cloud).
- Darkness Dark from 19:27 to 06:32.
What to do: Go somewhere dark around 05:00, give your eyes 15 minutes to adjust and look north, low over the horizon.
Monday 19 October — Good chance · Kp 2 · best around 06:00 · Forecast cloud: 0%. · 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 09:42 local time
Excellent chance
Best around 05:00. Forecast max Kp 2.0 (this place needs 2), average cloud 0%.
- Dark enough
- 19:27 – 06:32
- Sunset
- 17:54 · sunrise 08:06
- Moon
- 47% · ↑ 16:50 · ↓ 21:57
- Kp neededKp index: a 0–9 measure of geomagnetic activity. The higher it is, the further from the poles the aurora reaches.
- Kp 2
- Kp for photos
- In photos: from Kp 0.3 (a red glow low in the north).
- Look towards
- north (356°)
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 | Sun, 19 | Sun, 22 | Mon, 01 | Mon, 04 | Mon, 19 | Mon, 22 | Tue, 01 | Tue, 04 | Tue, 19 | Tue, 22 | Wed, 01 | Wed, 04 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low cloud | 0% | 0% | 0% | 0% | 0% | 8% | 26% | 47% | 16% | 6% | 0% | 29% |
| Mid cloud | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 6% | 18% | 22% |
| High cloud | 45% | 25% | 18% | 27% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Temperature | 4 °C | 2 °C | 1 °C | 1 °C | 2 °C | 1 °C | 1 °C | 1 °C | 2 °C | 1 °C | 2 °C | 2 °C |
| Feels like | 4 °C | 2 °C | 1 °C | 1 °C | 2 °C | 1 °C | 1 °C | 1 °C | 2 °C | 1 °C | 2 °C | 2 °C |
| Wind | 0 m/s | 0 m/s | 0 m/s | 0 m/s | 0 m/s | 0 m/s | 0 m/s | 0 m/s | 0 m/s | 1 m/s | 1 m/s | 1 m/s |
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 Rena
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 | Visible to the north | 11° | 21° | 456 km |
| 3 | Visible to the north | 23° | 39° | 234 km |
| 4 | Visible to the north | 84° | 87° | 11 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 Rena camera in Rena 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
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 north. 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 2.5°), 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 Rena
Share of nights 2005–2025 that were dark, active enough here and mostly clear.
March has been the best month (29% of nights), followed by April (29%).
| Month | Good nights | Clear nights | Darkness | Low / high |
|---|---|---|---|---|
| September | 26% | 42% | 7.6 h | 6° / 13°C |
| October | 23% | 36% | 10.6 h | 1° / 6°C |
| November | 17% | 31% | 13.1 h | -5° / 0°C |
| December | 21% | 35% | 14.1 h | -10° / -5°C |
| January | 22% | 33% | 13.6 h | -11° / -6°C |
| February | 24% | 36% | 11.5 h | -11° / -4°C |
| March | 29% | 46% | 8.8 h | -8° / -1°C |
| April | 29% | 54% | 5.3 h | -2° / 5°C |
Darkness through the year
- No full darkness (Sun 12° below the horizon) from 6 May to 6 August — the sky stays too bright for most auroras.
- Next new moon 9 November, next full moon 26 October. The darkest skies are in the week around new moon.
Aurora nights in Rena since 1995
Nights when Kp reached 4.7 or more while it was dark here.
Most recent strong nights
- 10 October 2026 · Kp 7.0
- 4 October 2026 · Kp 5.7
- 15 May 2026 · Kp 6.0
- 3 April 2026 · Kp 5.7
- 2 April 2026 · Kp 5.0
- 22 March 2026 · Kp 6.7
- 20 March 2026 · Kp 7.0
- 13 March 2026 · Kp 6.0
Practical information
- Nearest airport
- Scandinavian Mountains Airport (SCR) · 79 km
- Typical low / high in March
- -8° / -1°C
- What to wear
- Below freezing at night: thermal layers, a warm jacket, hat, gloves and winter boots. Full clothing guide
- Emergency number
- 112 (police), 113 (ambulance), 110 (fire)
- Winter driving
- Winter tyres need at least 3 mm of tread from 1 November to the first Sunday after Easter Monday (16 October to 30 April in Nordland, Troms and Finnmark). Studded tyres are allowed in the same periods and outside them when conditions require. Road conditions are on Statens vegvesen's traffic information service (vegvesen.no/trafikk). Road conditions
- Access to land
- Allemannsretten gives free access to uncultivated land (utmark) such as forest, mountain and shoreline; cultivated land and yards (innmark) need the owner's consent. Overnight stays, including tents, motorhomes and vans, must be more than 150 m from an inhabited house or cabin, and you may stay at most two nights in one spot without permission.
- Official space-weather service
- Norwegian Centre for Space Weather (NOSWE), Tromsø Geophysical Observatory, UiT
- Weather service
- Norwegian Meteorological Institute (Yr)
Questions and answers
What Kp do you need to see the aurora in Rena?
From Rena the aurora is visible on most active nights — first low to the north, from about Kp 2.
Which way should I look for the aurora in Rena?
Face north (about 356° from true north). At Kp 2 the lower edge of the aurora sits roughly 11° above the horizon; stronger activity lifts it higher and further across the sky.
What is the best month to see the aurora in Rena?
Over 2005–2025, March gave the best odds in Rena (29% of nights dark, active enough and mostly clear), followed by April (29%).
When is the aurora season in Rena?
From 6 May to 6 August the sky in Rena never gets dark enough. Outside that period the aurora can be seen whenever activity and clouds allow.
Is there much light pollution in Rena?
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 north.
When was the aurora last possible in Rena?
Activity last reached storm level (Kp 5 or more) during darkness in Rena on 10 October 2026 (Kp 7.0) — 867 such nights since 1995. Here the aurora also appears on many quieter nights.
Also covered by this forecast
Villages and districts around Rena share its forecast: within a few kilometres the sky, the Kp needed and the best direction are the same.
- Åmot 0 km
- Åmot 1 km
- Mørstad 2 km
- Ilsås 2 km
- Bekkelaget 2 km
- Tingstad 3 km
- Rostadmoen 3 km
- Bakstadgrenda 3 km
- Skramstad 4 km
- Almus 4 km
- Kåsmoen 4 km
- Melvoll 5 km
- Berger 5 km
- Snippen 5 km
- Mora 7 km
- Åset 7 km
- Vål 9 km
- Bjørnstad 9 km
- Klettsætra 9 km
- Skynndalen 11 km
- Blikberget 12 km
- Rogsvea 12 km
- Ulvåa 12 km
- Hovde 13 km
- Gitvola 13 km
- Nysætra 14 km
- Lauvlia 14 km
- Steinvik 14 km
- Rødsbakken 15 km
- Deset 19 km
- Strandsætra 19 km
- Opphus 23 km
- Nordsætra 28 km