Northern Lights Forecast Tonight
See if the aurora borealis may be visible tonight in your location.
Global Aurora Activity
Active
?
Global Aurora Activity
ActiveGeomagnetic activity is active. Aurora may be visible in northern locations when local skies are dark and clear.
Global geomagnetic activity is active. Northern Lights may be visible in high-latitude locations if skies are dark and clear.
Current Kp
?
Current Kp
Quiet activityKp is below 2, which means geomagnetic activity is quiet. Aurora visibility is usually limited to high-latitude regions and depends strongly on darkness, clear skies and local conditions.
1.3
Quiet activity
Max Kp next 24h
?
Max Kp next 24h
Active conditionsKp is between 3 and 5, which means geomagnetic conditions are active but below storm level. Aurora chances improve in northern regions, especially when skies are dark, clear and away from light pollution.
3.7
Active conditions
Storm level
?
Storm level
No stormNo geomagnetic storm is expected based on the current Kp forecast.
None
No storm
Updated
?
Updated
FreshThe latest forecast data was updated recently.
6m ago
Fresh
Source
NOAA SWPC
Global Kp Forecast
Estimated global Kp index for the next 72 hours. Taller bars mean stronger geomagnetic activity.
2.7
+1h
Low activity+1h: Kp 2.7 — low geomagnetic activity.
Kp index
2.7
3.3
+4h
Active conditions+4h: Kp 3.3 — active geomagnetic conditions.
Kp index
3.3
3.3
+7h
Active conditions+7h: Kp 3.3 — active geomagnetic conditions.
Kp index
3.3
3.7
+10h
Active conditions+10h: Kp 3.7 — active geomagnetic conditions.
Kp index
3.7
3.0
+13h
Active conditions+13h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
3.0
+16h
Active conditions+16h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
3.0
+19h
Active conditions+19h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
3.0
+22h
Active conditions+22h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
3.7
+25h
Active conditions+25h: Kp 3.7 — active geomagnetic conditions.
Kp index
3.7
3.3
+28h
Active conditions+28h: Kp 3.3 — active geomagnetic conditions.
Kp index
3.3
3.3
+31h
Active conditions+31h: Kp 3.3 — active geomagnetic conditions.
Kp index
3.3
3.7
+34h
Active conditions+34h: Kp 3.7 — active geomagnetic conditions.
Kp index
3.7
3.3
+37h
Active conditions+37h: Kp 3.3 — active geomagnetic conditions.
Kp index
3.3
3.3
+40h
Active conditions+40h: Kp 3.3 — active geomagnetic conditions.
Kp index
3.3
3.0
+43h
Active conditions+43h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
2.0
+46h
Low activity+46h: Kp 2.0 — low geomagnetic activity.
Kp index
2.0
3.0
+49h
Active conditions+49h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
3.0
+52h
Active conditions+52h: Kp 3.0 — active geomagnetic conditions.
Kp index
3.0
3.7
+55h
Active conditions+55h: Kp 3.7 — active geomagnetic conditions.
Kp index
3.7
The highest expected Kp in the next 72 hours is 3.7.
Why this forecast?
Global aurora activity is active because the current Kp is 1.3 and the next 24h forecast reaches Kp 3.7.
?
Current Kp
Quiet activityKp is below 2, which means geomagnetic activity is quiet. Aurora visibility is usually limited to high-latitude regions and depends strongly on darkness, clear skies and local conditions.
Quiet activity
Current Kp shows the latest estimated global geomagnetic activity.
?
Max Kp next 24h
Active conditionsKp is between 3 and 5, which means geomagnetic conditions are active but below storm level. Aurora chances improve in northern regions, especially when skies are dark, clear and away from light pollution.
Active conditions
The highest expected Kp in the next 24 hours indicates whether aurora may expand beyond the polar regions.
Fresh
The forecast is based on recently updated NOAA data.
Data sources
- · NOAA SWPC Kp forecast
- · NOAA SWPC observed Kp
Best Chances Tonight
Locations with the highest estimated aurora visibility tonight.
Kiruna
🇸🇪 Norrbotten County · Sweden
🕐 12:00 AM – 2:00 AM
Saariselkä
🇫🇮 Lapland · Finland
🕐 12:00 AM – 4:00 AM
Honningsvåg
🇳🇴 Finnmark · Norway
🕐 10:00 PM – 12:00 AM
Harstad
🇳🇴 Troms · Norway
🕐 2:00 AM – 4:00 AM
Healy
🇺🇸 Alaska · United States
🕐 2:00 AM – 4:00 AM
Ittoqqortoormiit
🇬🇱 Sermersooq · Greenland
🕐 10:00 PM – 12:00 AM
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