Northern lights in Wyoming are rare: this far south they need a strong geomagnetic storm of Kp 8 or more. Of the 3 locations AuroraMe tracks in Wyoming, Casper has the best chance; others need up to Kp 9.
Cities Covered
3
Magnetic Latitude Range
42.3°–51.0° MLAT
Required Kp Index
Kp 8.0–9.0
Unlikely
Best chance in Wyoming tonight: Casper
AuroraMe watches Kp, clouds and darkness windows so you know when to go outside.
Kp Requirements by Location
Casper
51.0° MLAT
Kp 8.0+ Horizon
Kp 9.0+ Optimal
Cheyenne
49.5° MLAT
Kp 8.0+ Horizon
Kp 9.0+ Optimal
Jackson
42.3° MLAT
Kp 9.0+ Horizon
Visible on horizon
Clearly visible
Bright overhead
Aurora Status by City
Best Viewing Season in Wyoming
Geographic Advantages
Mean astronomical darkness at Cheyenne, Dec–Feb 10.2–11.5 hours
Peak Aurora Months
Estimates for Cheyenne
November 0.07 clear nights, 55.4% cloud
March 0.04 clear nights, 59.6% cloud
May 0.04 clear nights, 61.8% cloud
Frequently Asked Questions
Can you see the northern lights in Wyoming?
Yes, Wyoming offers aurora viewing opportunities. Cities like Casper (MLAT 51.0°) can see aurora at Kp 8.0+, while southern locations need Kp 9.0+. Best viewing is September–April during dark, clear nights.
Learn More About the Northern Lights
Use the aurora borealis forecast, check northern lights tonight, or open the live aurora map and Kp tracker.
