Live aurora forecast

Northern lights in Furano tonight

Hokkaido, Japan · 37° magnetic latitude · Kp 8-9 threshold

Aurora visibility · Furano
6/9
Unlikely tonight

Kp 6 is well below the Kp 8-9 threshold needed for aurora to be visible from Furano.

QuietStormExtreme
Threshold
Kp 8-9
Magnetic latitude
~37°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 5 Jul, 17:35 UTC

7-day outlook for Furano

Today
5 Jul
6
Quiet
Tomorrow
6 Jul
3
Quiet
Tue
7 Jul
3
Quiet
Wed
8 Jul
3
Quiet
Thu
9 Jul
3
Quiet
Fri
10 Jul
3
Quiet
Sat
11 Jul
3
Quiet

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

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What Kp is needed here?

Furano sits at a magnetic latitude of approximately 37°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 8-9 before the auroral oval expands far enough south to be visible from here.

At Kp 8-9, visibility is possible from Furano but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Furano

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Tokachi-dake volcanic area

Get directions ↗
Bortle Class 2 - Excellent dark sky 30 km north-east of Furano - approximately 40 minute drive via Route 237 and 966

Tokachi-dake (2,077 m) is an active stratovolcano on the eastern edge of the Daisetsuzan complex. The access road to the Tokachi-dake Onsen at 1,280 m passes through a zone of open volcanic scrub with no settlement lighting. The north-facing slopes above the onsen give a clear view toward Asahikawa across the Furano basin. Bortle 2 at elevation - the volcanic highland blocks light from Furano town to the south-west and the Asahikawa basin to the north-west. The road is cleared in winter for onsen visitors and gives practical access. On a clear night at 1,280 m, this is one of central Hokkaido's best dark sky positions.

Furano ski resort upper area

Get directions ↗
Bortle Class 3-4 - Rural sky 5 km from Furano town centre - upper gondola to 900 m

The Furano ski resort upper gondola reaches approximately 900 m where the tree line opens to a broad north-facing basin. Resort lighting from the lower pistes creates a dome below, but the upper gondola station and the groomed runs above 800 m sit above it on clear nights. The view north-east across the Furano basin to the Daisetsuzan range gives a horizon with snow-covered peaks and minimal artificial light. The gondola operates in the evening for night skiing on selected dates, giving practical access without a separate drive. Best used when forecasts are borderline or as a quick check before committing to the Tokachi-dake drive.

Ningle Terrace forest area

Get directions ↗
Bortle Class 4 - Rural/suburban transition Prince Hotel Furano resort - 5 km from Furano town

The forest area above the Ningle Terrace craft shops on the Prince Hotel estate is used by resort guests for stargazing. The primary forest canopy reduces ground-level light scatter and gives a partial northern sky above the trees. Bortle 4 conditions in clearings, improving toward 3 on the open slope above the forest. Not a benchmark dark sky position, but practical for guests staying at the Prince Hotel who want a dark position without leaving the resort grounds. The hotel runs occasional stargazing events for guests during active solar periods.

When to go

Best time to see the northern lights in Furano

At 37°N magnetic latitude, Furano sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.

Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Furano's latitude.

Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.

Up to 8 locations

Furano

Japan

Unlikely
Kp 6 need Kp 8-9
Checking darkness…
Sapporo

Japan

Unlikely
Kp 6 need Kp 8-9
Checking darkness…
Daisetsuzan

Japan

Unlikely
Kp 6 need Kp 8-9
Checking darkness…
The odds

How often does the aurora appear in Furano?

Average nights per month the Kp reached Furano's threshold of 8+, from 15 years of geomagnetic data (2010–2024).

0Jan
0Feb
0Mar
0Apr
0May
0Jun
0Jul
0Aug
0Sep
0Oct
0Nov
0Dec

Counts the Kp 8+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0

Make it happen

Plan your trip to Furano

Aurora is rare at this latitude - conditions require Kp 8+. No month reaches a meaningful average.

From the community

Aurora photographs from Furano

Real photos sourced from Wikimedia Commons.

Aurora over FuranoAurora over Furano
Aurora over FuranoAurora over Furano
Aurora over FuranoAurora over Furano
Aurora over FuranoAurora over Furano
Questions

Common questions about aurora in Furano

Can you see the northern lights from Furano?
Only during a major geomagnetic storm. Furano sits at about 43°N geographic latitude but only around 37° geomagnetic latitude - the latitude measured from Earth's magnetic poles, which is what actually decides where the aurora reaches. That gap is why the northern lights here need a major storm, not the routine activity that lights up Norway or Alaska. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 8-9, a G4-G5 storm. The adjacent Tokachi-dake volcanic area at 1,280 m gives Bortle 2 sky within 40 minutes of the town, so when a storm of that size lands the low red aurora to the north shows here against a dark, high horizon. It is often easier to record on a long-exposure camera than to see by eye, and it is not reliable overhead aurora.
What makes Furano a useful base for aurora in central Hokkaido?
The Tokachi-dake volcanic area 30 km north-east gives the best accessible dark sky in central Hokkaido at Bortle 2, with the road cleared for onsen visitors year-round. Daisetsuzan National Park - Japan's largest - is 30-60 km to the north and east. Sapporo is 90 minutes by car via the Doto Expressway, and Asahikawa is 45 minutes north. Furano itself has good ski resort accommodation and transport links, making it a practical central position for monitoring and responding to forecast events.
What Kp is needed for aurora at Furano?
A major storm, Kp 8-9. Furano sits at roughly 37° geomagnetic latitude, the same band as Sapporo, Biei, and most of Hokkaido, so the storm strength required is the same across them. Elevation does not lower it. What the high, dark positions such as the Tokachi-dake approach at 1,280 m add is contrast: during a storm of that size, the faint red glow low to the north stands out better than from the resort runs at 900 m, where residual lighting competes. Kp is a global 3-hour average, so the threshold being reached means the night is worth checking, not that aurora is guaranteed over any one spot.
Is the lavender season a good time for aurora near Furano?
No. Furano's famous lavender blooms from late June to mid-August, which coincides with the worst period for aurora viewing. The nights are short and only moderately dark in July and August. The aurora season runs October to March. Visitors who come for lavender in summer and plan to return for winter have the right idea. Winter Furano with powder snow and a Kp 8-9 storm overhead is a fundamentally different trip from the summer crowds.
How do I get to the Tokachi-dake volcanic area from Furano?
Take Route 237 north from Furano to Kami-furano town, then Route 966 east toward Tokachi-dake Onsen. The drive takes approximately 40 minutes in clear winter road conditions. The road is ploughed in winter and the onsen operates year-round, so there is no access issue. The car park at Tokachi-dake Onsen (1,280 m) is the practical stopping point - the mountain above is avalanche terrain in winter. The onsen itself stays open late, so a post-aurora soak is a realistic option on a cold clear night.
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