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Northern Lights reflected in water between mountain peaks in Lofoten, Norway

PolarForecast

Northern Light Forecast

Real-time aurora predictions for a better experience!

Quiet
1.0
Very low aurora activity
Last updated: 14:20
⭐ Aurora not visible during daylight hours

Knut is your local guide. Ask him about your chances tonight.

Current Conditions Live data
Chance i Calculated probability of aurora visibility based on KP index, Bz factor, and solar wind speed.
12%
Solar Wind i Speed of solar wind in km/s. Higher = stronger aurora chance.
504.3 km/s
Bz Factor i Direction of magnetic field. Negative = more likely aurora.
-0.75 nT
Density i Number of charged particles per cm³.
3.91 p/cm³
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Current Conditions Live data
Chance i Calculated probability of aurora visibility based on KP index, Bz factor, and solar wind speed.
12%
Solar Wind i Speed of solar wind in km/s. Higher = stronger aurora chance.
504.3 km/s
Bz Factor i Direction of magnetic field. Negative = more likely aurora.
-0.75 nT
Density i Number of charged particles per cm³.
3.91 p/cm³
Tonight's Best Chance
21:00–00:00
Calculated based on solar wind + KP + cloud break windows
3-Day Forecast Updated hourly
Sunday
Very Good
5.0
Aurora visible across Norway
Monday
Moderate
3.3
Some aurora activity possible in northern Norway
Tuesday
Low
2.0
Low aurora activity

3-Hour KP Forecast

00–03
2.3
Low
03–06
2.0
Low
06–09
3.3
Moderate
09–12
3.7
Moderate
12–15
5.0
Very Good
15–18
4.7
Good
18–21
4.0
Good
21–00
3.3
Moderate
00–03
3.3
Moderate
03–06
3.0
Moderate
06–09
2.7
Low
09–12
2.3
Low
12–15
1.7
Quiet
15–18
2.0
Low
18–21
2.0
Low
21–00
2.3
Low
00–03
2.0
Low
03–06
1.7
Quiet
06–09
1.7
Quiet
09–12
2.0
Low
12–15
2.0
Low
15–18
1.7
Quiet
18–21
1.7
Quiet
21–00
1.7
Quiet

Aurora Chaser Stories📸

Real stories from people who traveled north to witness the magic
of the Northern Lights.

What Is the KP Index?

The KP index is a global scale that measures the strength of geomagnetic activity. It ranges from 0 to 9:

0–2: Very low aurora activity, only visible near the poles
3–4: Moderate activity, visible in high-latitude regions
5+: Strong geomagnetic storm — aurora visible further south

The higher the number, the greater the chance of seeing the aurora.

At PolarForecast, we track the real-time KP index, updated every few minutes, so you always know when to head outside and look up.

📍 Popular Aurora Locations

Looking for the best places to see the Northern Lights? Explore our most popular aurora forecast locations across Norway and beyond.

Get daily aurora updates on Facebook
27-Day Forecast Extended aurora forecast
Sun Jul 12
61% -9.6nT
Very Good
5.0
Mon Jul 13
40% -3.1nT
Moderate
3.3
Tue Jul 14
24% -2.2nT
Low
2.0
Wed Jul 15
27% -2.3nT
Low
2.2
Thu Jul 16
27% -1.3nT
Low
2.2
Fri Jul 17
28% -1.1nT
Low
2.3
Sat Jul 18
28% -1.7nT
Low
2.3
Sun Jul 19
29% -2.2nT
Low
2.4
Mon Jul 20
31% -2.1nT
Low
2.5
Tue Jul 21
31% -2nT
Low
2.5
Wed Jul 22
32% -1.9nT
Low
2.6
Thu Jul 23
32% -1.7nT
Low
2.6
Fri Jul 24
33% -2nT
Low
2.7
Sat Jul 25
34% -1.3nT
Low
2.8
Sun Jul 26
34% -2.4nT
Low
2.8
Mon Jul 27
35% -1.4nT
Low
2.9
Tue Jul 28
35% -2.5nT
Low
2.9
Wed Jul 29
37% -2.1nT
Low
3.0
Thu Jul 30
37% -3.1nT
Moderate
3.0
Fri Jul 31
38% -2.2nT
Moderate
3.1
Sat Aug 1
39% -3.1nT
Moderate
3.2
Sun Aug 2
39% -2.1nT
Moderate
3.2
Mon Aug 3
40% -2.1nT
Moderate
3.3
Tue Aug 4
40% -2.3nT
Moderate
3.3
Wed Aug 5
42% -3.8nT
Moderate
3.4
Thu Aug 6
42% -2.6nT
Moderate
3.4
Fri Aug 7
43% -2.9nT
Moderate
3.5

by Esten Hoffmann