Aurora Forecast and Prediction for Las Vegas, Nevada
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Kp: 1.33 | Bz: -2.9
Best Viewing Window: 2:01 AM – 6:21 AM PDT (4h 20m) · peak hours typically 10:46 PM – 2:46 AM
Best Viewing Window:
2:01 AM – 6:21 AM PDT Space Weather Now
Timing: Now · Signal Strength: High
Webcam
No aurora cams nearby. Center on nearest camera (1098 mi away).
Browse other webcams on Windy3-Day Forecast for Las Vegas, Nevada
Oct 12
Too far south - the aurora stays out of view from Las Vegas even during a severe (Kp 9) storm.
Global: NOAA has issued a watch for this night (see below) - moderate planetary activity, aurora across the high-latitude zone.
CME Watch: G1 (Minor) · Kp 5 expected
Best time to look up: 2:00 AM–5:00 AM PDT
35% chance of elevated activity · Kp 4.33 during viewing window, up to Kp 5 depending on CME timing
Oct 13
Too far south - the aurora stays out of view from Las Vegas even during a severe (Kp 9) storm.
Global: Moderate planetary activity expected - aurora across the high-latitude zone, and lower with a good substorm.
Best time to look up: 8:00 PM–11:00 PM PDT
35% chance of elevated activity · Kp 4 during viewing window
Oct 14
Too far south - the aurora stays out of view from Las Vegas even during a severe (Kp 9) storm.
Global: Moderate planetary activity expected - aurora across the high-latitude zone, and lower with a good substorm.
Best time to look up: 8:00 PM–11:00 PM PDT
20% chance of elevated activity · Kp 3.33 during viewing window
Aurora Oval & Satellite & Sun
Interactive Aurora Globe
Satellite View
Sunspots
Current sunspot number: 93
Coronal Mass Ejections
Aurora Photography by Todd Salat
Original prints from Todd Salat's collection.
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Solar Wind & IMF (GSM)
- Bt
- 8.5 nT
- Bx
- 6.2 nT
- By
- -4.9 nT
- Bz
- -2.9 nT
- Clock Angle θ
- -19.9°
- Cone Angle φ
- 322.1°
- Speed
- 470 km/s
- Density
- 9.7 p/cc
IMF Detail (GSE) & Source
- Bx
- 6.2 nT
- By
- -2.7 nT
- Bz
- -5 nT
- θ Angle
- -35.5°
- φ Angle
- 336.9°
- Satellite
- SOLAR-1
- Data Quality
- Good
- Reading Time
- Oct 13, 1:54 AM PDT
Geomagnetic Indices
- Kp (now)
- 1.33
- Dst
- -13 nT
- HPI
- 8 GW
- Sunspot Number
- 93
Aurora Model
- Ovation Value
- 0
- Ovation Label
- None
- Model Data Time
- Oct 13, 2:42 AM PDT
- Ovation Data
- Live
Scores & Ratings
- Aurora Visibility
- 0 · Poor
- Aurora Visibility (w/ Moon)
- 0 · Poor
- Prediction Score
- 0 · Little to None
Sky & Location
- Cloud Cover
- 0% · Clear
- Clouds, Next Dark Window
- 5% · Clear · ×1.00
- Aurora Visibility Tonight
- 0 · Poor (Outlook Tonight 0 × cloud 1.00)
- Solar Elevation
- -54.4° · Dark Night
- Moon Phase
- Waxing Crescent
- Moon Illumination
- 4%
- Moon Altitude
- -75.9° · Below Horizon
- Latitude
- 36.17497
- Longitude
- -115.13722
- Geomagnetic Latitude
- 42.8°
- Horizon Threshold
- Never
- Overhead Threshold
- Never
Prediction Model Inputs
- Bz Persistence (60min)
- 3 nT
- Newell Coupling
- 10457
- Latitude Gate
- 0.00 now · 0.00 tonight
- Dynamic Pressure
- 3.6 nPa
- Storm Watch (CME)
- ~0h · G1 (Minor)
- Watch Predicted Kp
- 5
Timing & Signal Strength
- Timing
- Now
- Signal Strength
- High
- L1 Delay
- ~53 min
- Magnetic Midnight
- 12:46 AM (peak hours 10:46 PM – 2:46 AM)
- Best Viewing Window
- 2:01 AM – 6:21 AM PDT (4h 20m)
3-Day Kp Forecast
| PDT | Oct 13 | Oct 14 | Oct 15 |
|---|---|---|---|
| 5:00 PM–8:00 PM | 4 | 3.67 | 2.67 |
| 8:00 PM–11:00 PM | 4.67 | 4 | 3.33 |
| 11:00 PM–2:00 AM | 5 | 2.67 | 3 |
| 2:00 AM–5:00 AM | 4.33 | 3.67 | 2.33 |
| 5:00 AM–8:00 AM | 4 | 3.67 | 1.67 |
| 8:00 AM–11:00 AM | 3.67 | 3.67 | 1 |
| 11:00 AM–2:00 PM | 3.33 | 3.33 | 1.33 |
| 2:00 PM–5:00 PM | 2.67 | 2.67 | 2.33 |
| Max | 5 | 4 | 3.33 |
| Ap Index | 28 | 20 | 10 |
Storm Probability
| Level | Oct 13 | Oct 14 | Oct 15 |
|---|---|---|---|
| Active | 35% | 35% | 20% |
| Minor storm | 35% | 25% | 5% |
| Moderate storm | 15% | 10% | 1% |
| Strong-Extreme storm | 5% | 1% | 1% |
Planetary K-index
Interplanetary Magnetic Field Bz-2.9 nT now
Southward (negative) Bz favors aurora. Observed data only, no forecast product exists for Bz.
Total IMF Field Bt8.5 nT now
Total interplanetary magnetic field strength - the ceiling on how negative Bz can go. A rising Bt alongside a still-fluctuating Bz often leads a stronger southward turn. Observed data only, no forecast product exists for Bt.
Global Storm Trend27 global now
Global (hemisphere-wide, not this city) prediction score over the last 24 hours, logged every 5 minutes - may differ from the Prediction ring above, which is specific to this location and time of night. Red above 70, yellow 50-70, teal below 50 - same thresholds used everywhere else on this page. Dashed line is the overall trend.
Dst History-13 nT now
Kyoto Dst geomagnetic storm index over the last 24 hours. Negative = ring-current energy stored = an active storm, not just predicted. Red below −50nT, yellow −20 to −50nT, teal above −20nT.
Solar Wind Speed & Pressure
Each line is scaled independently to its own 24h range (different units) - watch the shape, not a shared axis. A rising speed line or a pressure spike can signal an incoming stream or shock before Bz/Dst move.
Nerd Mode: See what’s really driving the score. Live solar wind, Bz, Kp, Dst, CME timing, and more. Data comes from NOAA SWPC and the Kyoto WDC, with a few metrics calculated here from the raw data. Live data refreshes every minute; trend charts every five.
Aurora Forecasts for Nearby Cities
Checking conditions somewhere else tonight? These are the closest cities with their own northern lights prediction.
- North Las Vegas 2 mi
- Henderson 13 mi
- Riverside 200 mi
- Bakersfield 225 mi
- Anaheim 225 mi
- Santa Ana 228 mi
- Los Angeles 229 mi
- Irvine 230 mi
Related Northern Lights Pages
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