Aurora Borealis in Alloa
United Kingdom · 56.12°, -3.79° · geomagnetic 58.4° · needs Kp 5
Tonight's aurora forecast for Alloa
50%
Peak chance of a visible display tonight, from the same model the Revon app runs. Alloa needs Kp 5 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Alloa
Alloa is at 58.4° geomagnetic latitude. Auroras are typically visible here when the planetary Kp index reaches 5.
Based on historical data, there are approximately 22.5 nights per year when conditions might be suitable for viewing auroras in this region. The record span for this data is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Alloa are September, March, and October. During these months, the nights are typically dark enough to potentially see the aurora.
Conversely, May, June, and July experience periods with no full darkness, which would make aurora viewing impossible.
Alloa experiences a Bortle 7 light pollution level. Areas with darker skies, such as Bortle 4 skies 32 km west-north-west near Stirling, or Bortle 5 skies 15 km north near Perth and Kinross, offer better viewing conditions.
The horizon to the east-north-east is marked by Gartmorn Hill, a hill 3.6 km away. To the east, North Birkhill, a hill, is 4.6 km away. The north-west horizon features Dumyat, a mountain 7.1 km away, and further north is Ben Cleuch, a mountain 7.9 km away. To the north-north-west, the moor of Sheriff Muir is 10.5 km away.
Gartmorn Hill is a local hill situated 3.6 km east-north-east of Alloa.
North Birkhill, another hill, is located 4.6 km east of Alloa.
Dumyat, a mountain, lies 7.1 km north-west of Alloa. Ben Cleuch, a mountain, is 7.9 km north of Alloa. Sheriff Muir, a moor, is 10.5 km north-north-west of Alloa.
There have been 248 verified aurora reports within 300 km of Alloa between January 1, 2015, and December 31, 2016.
Notable qualifying nights with high Kp values include March 20, 2026 (Kp 7.0), March 21, 2026 (Kp 6.0), March 22, 2026 (Kp 6.67), March 23, 2026 (Kp 5.0), and March 24, 2026 (Kp 5.0).
Sources: Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
Revon watches the Alloa forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Alloa.