Where are the best dark-sky places to watch the aurora in Wyoming?

Grand Teton & Yellowstone National Parks: Swan Lake Flats, Oxbow Bend, and Mormon Row offer Bortle 1–2 skies above 6,500 feet looking north. Devils Tower National Monument (Northeastern WY): High geomagnetic latitude (~53.3°N) and pitch-black Black Hills horizons. Bighorn National Forest & Medicine Wheel Overlooks: High-elevation pullouts with crystal-clear northern sightlines toward Montana. Vedauwoo Recreation Area & Snowy Range (Laramie/Cheyenne): Granite rock formations at 8,000+ feet away from I-80 corridor lights.

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Can I See the Northern Lights in Wyoming Tonight?

Q: What Kp index is needed to see the Northern Lights in Wyoming?

Wyoming spans 49.7°N – 53.3°N geomagnetic latitude and requires approximately Kp 5.5 on the northern horizon and Kp 7.0 for overhead displays (G1–G2 (Kp 5.5) for Yellowstone/Sheridan; G2–G3 (Kp 6.5) for Cheyenne). Northern Wyoming—including Yellowstone, Cody, and Sheridan—sits around 53°N geomagnetic latitude and can spot the northern lights low on the horizon starting at Kp 5.5 (a strong G1 or G2 storm). Southern Wyoming around Cheyenne and Laramie needs Kp 6.5 for horizon glow, while a G3 strong storm (Kp 7+) lights up the sky statewide. Because Wyoming has high altitude, dry air, and almost no urban light domes, faint auroras stand out much clearer here than at sea level.

Live NOAA SWPC geomagnetic telemetry paired with centered-dipole geomagnetic latitudes (49.7°N – 53.3°N) and local horizon vs. overhead Kp thresholds for Wyoming. Updated Sun Nov 1, 12:02 AM ET (auto-refreshes every 60 seconds).

✦ IN PLAIN ENGLISH — THE 30-SECOND TAKEAWAY Northern Lights (Aurora Borealis) · US States

Northern Wyoming—including Yellowstone, Cody, and Sheridan—sits around 53°N geomagnetic latitude and can spot the northern lights low on the horizon starting at Kp 5.5 (a strong G1 or G2 storm). Southern Wyoming around Cheyenne and Laramie needs Kp 6.5 for horizon glow, while a G3 strong storm (Kp 7+) lights up the sky statewide. Because Wyoming has high altitude, dry air, and almost no urban light domes, faint auroras stand out much clearer here than at sea level.

Geomagnetic Latitude & Look Direction

49.7°N – 53.3°N · Look toward the Northern horizon from a dark site away from city lights.

NOAA Kp & G-Scale Needed

G1–G2 (Kp 5.5) for Yellowstone/Sheridan; G2–G3 (Kp 6.5) for Cheyenne (Horizon: Kp 5.5 · Overhead: Kp 7.0).

☀ LIVE TONIGHT STATUS CARD

Live Tonight Status for Wyoming

Snapshot: Sun Nov 1, 12:02 AM ET · Refreshes every 60s

QUIET — Below Wyoming Threshold Tonight (Needs Kp 5.5+)

NOAA's current Kp (4.67) and 3-day forecast peak (Kp 4.67) are currently below Wyoming's northern-horizon threshold of Kp 5.5 (overhead requires Kp 7.0).

Current Planetary Kp Kp 4.67

Forecast Peak Kp Kp 4.67

Solar Wind Speed 532.0 km/s

IMF Bz (North/South) -2.0 nT

Wyoming Thresholds Kp 5.5 / 7.0

Best seasonal window: September – April · Look direction: North · Compare all 28 State, Province & Region Guides or check our Live Space Weather Dashboard.

City-by-City Aurora Thresholds in Wyoming

Centered-dipole geomagnetic latitudes (WMM2025 pole at 80.85°N, 72.76°W) and minimum Kp required on the northern horizon vs. directly overhead. Status badges update automatically from live NOAA telemetry.

City / Area	Coordinates	Geomagnetic Lat	Horizon Kp	Overhead Kp	Tonight's Live Status
Sheridan / Cody, WY Northern Wyoming (~53.1°N geomag); northern horizon at Kp 5.5	44.80°N, 106.96°W	52.1°N	Kp 6.0	Kp 7.5	QUIET — Needs Kp 6.0+
Jackson / Grand Teton, WY High-altitude dark skies; visible on the northern horizon at Kp 5.5–6	43.48°N, 110.76°W	50.4°N	Kp 6.5	Kp 8.5	QUIET — Needs Kp 6.5+
Casper, WY Central Wyoming plains; horizon aurora at Kp 6	42.85°N, 106.31°W	50.2°N	Kp 6.5	Kp 8.5	QUIET — Needs Kp 6.5+
Cheyenne, WY Southern Wyoming; requires moderate-to-strong storms (Kp 6.5–7)	41.14°N, 104.82°W	48.7°N	Kp 7.5	Kp 9.0	QUIET — Needs Kp 7.5+

Best Dark-Sky Viewing Locations in Wyoming

Grand Teton & Yellowstone National Parks: Swan Lake Flats, Oxbow Bend, and Mormon Row offer Bortle 1–2 skies above 6,500 feet looking north.
Devils Tower National Monument (Northeastern WY): High geomagnetic latitude (~53.3°N) and pitch-black Black Hills horizons.
Bighorn National Forest & Medicine Wheel Overlooks: High-elevation pullouts with crystal-clear northern sightlines toward Montana.
Vedauwoo Recreation Area & Snowy Range (Laramie/Cheyenne): Granite rock formations at 8,000+ feet away from I-80 corridor lights.

Seasonal & Cloud Timing for Wyoming

High-altitude atmospheric transparency: At 6,000 to 8,500 feet above sea level, you are looking through 25% less atmosphere, making low-horizon red and green aurora much brighter.
Equinox storm window: Late September and October combine open park roads in Yellowstone and Grand Teton with peak autumn solar storm frequency.
Wind protection for tripods: High plains and mountain passes in Wyoming experience strong night winds—hang your camera bag from your tripod center hook.

Phone & Camera Settings for Wyoming (49.7°N – 53.3°N Geomagnetic)

Weight your tripod against Wyoming wind: Even a 1-millimeter vibration ruins a 5-second aurora exposure; lower the center column and shelter beside your car.
4–6 second exposures at ISO 3200: Ideal for capturing both the green lower arc on the northern horizon and tall crimson oxygen rays above.
Smartphone astrophotography mode: Pixel and Galaxy Pro modes or iPhone 10-second tripod Night Mode easily record horizon aurora from Vedauwoo or Teton overlooks.

Want step-by-step exposure tables? Read our full iPhone, Android & Camera Aurora Photography Guide and Aurora & Solar Observing Gear Guide.

Vetted Dark-Sky Stays, Guided Chases & Field Guides for Wyoming

Planning an overnight dark-sky trip in Wyoming (Jackson, Wyoming, US) or comparing high-latitude lodges directly under the auroral oval? Use the vetted links below:

Search Wyoming Stays on Booking.com → Compare Wyoming Hotels on Expedia → Browse Wyoming Night & Sky Tours (GetYourGuide) →

38 Vetted 3★+ Aurora Resorts, Glass Igloos & Wilderness Lodges: Compare top-rated stays (4.3+/5 across 100+ reviews) in Fairbanks, Yellowknife, Churchill, Tromsø, Abisko, Rovaniemi, and Iceland.
Aurora Chasing & Space Weather Field Guides: Vetted books by Dr. Melanie Windridge, Tom Kerss (Royal Observatory Greenwich), and Dr. Stuart Clark on Books & Further Reading (Bookshop.org).
All 78 Cities & 28 State/Region Tonight Guides · 78-City Aurora Calculator · Live Space Weather Dashboard · Free Embeddable Space Weather Widget

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