Cities Covered
4
Monitoring locations across Colorado
Magnetic Latitude Range
47.3°–48.9° MLAT
Prime aurora viewing latitudes
Required Kp Index
Kp 8.0–9.0
Minimum activity for visibility
Free alerts for local visibility changes, tonight and through the next 72 hours.
Best chance in Colorado tonight: Fort Collins
AuroraMe watches Kp, clouds and darkness windows so you know when to go outside.
Kp Requirements by Location
Fort Collins
48.9° MLAT
Required Kp Levels
Kp 8.0+ Horizon
Kp 9.0+ Optimal
Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9
Visible on horizon
Clearly visible
Bright overhead
Boulder
48.4° MLAT
Required Kp Levels
Kp 8.0+ Horizon
Kp 9.0+ Optimal
Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9
Visible on horizon
Clearly visible
Bright overhead
Denver
48.1° MLAT
Required Kp Levels
Kp 8.0+ Horizon
Kp 9.0+ Optimal
Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9
Visible on horizon
Clearly visible
Bright overhead
Colorado Springs
47.3° MLAT
Required Kp Levels
Kp 9.0+ Horizon
Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9
Visible on horizon
Clearly visible
Bright overhead
Visible on horizon
Clearly visible
Bright overhead
Aurora Status by City
Fort Collins
Northern Colorado university city with Front Range aurora displays
CURRENT STATUS
Temporarily Unavailable
View
Boulder
Colorado foothills city with elevated aurora viewing from the Rockies
CURRENT STATUS
Temporarily Unavailable
View
Denver
Mile High City with rare aurora viewing from high elevation
CURRENT STATUS
Temporarily Unavailable
View
Colorado Springs
Pikes Peak region city with high-altitude aurora viewing opportunities
CURRENT STATUS
Temporarily Unavailable
View
Best Viewing Season in Colorado
Geographic Advantages
Magnetic Latitude 47.3°–48.9° MLAT
Cities Covered 4 locations
Mean astronomical darkness at Fort Collins, Dec–Feb 10.2–11.4 hours
Dark Sky Sites 0 Bortle 1-3
Peak Aurora Months
Estimates for Fort Collins
November 0.07 clear nights, 55.7% cloud
March 0.04 clear nights, 64.5% cloud
May 0.03 clear nights, 66.7% cloud
Track with AuroraMe
Coverage All 4 cities
Advance Notice 30 minutes
Weather Integration Cloud cover
Predictions Best viewing times
Frequently Asked Questions
Can you see the northern lights in Colorado?
Yes, Colorado offers aurora viewing opportunities. Cities like Fort Collins (MLAT 48.9°) can see aurora at Kp 8.0+, while southern locations need Kp 9.0+. Best viewing is September–April during dark, clear nights.
Where are the darkest skies in Colorado?
Check our city pages for specific dark sky recommendations near each location.
Learn More About the Northern Lights
Use the aurora borealis forecast, check northern lights tonight, or open the live aurora map and Kp tracker.
