Your sky, tonight
The answer for exactly where you are
Space weather is global, but aurora is local. Enter your location and we translate the forecast into a plain-language verdict for your latitude, darkness, and moonlight.
Tonight at your location
Enter a city, or use GPS — we'll tell you if you can see the aurora tonight.
Auroral oval · live
The glowing band marks where aurora is statistically overhead right now, modeled from the OVATION auroral precipitation forecast.
Propagation
From the Sun to your sky
Solar wind measured at the SOLAR-1 spacecraft near the L1 point — about 1.5 million km sunward — gives us a short but crucial lead time before it reaches Earth.
0min
Estimated lead time
0km/s
Solar wind speed
0.00M km
Distance to L1
Live conditions
Every number behind the verdict
The raw drivers of tonight's forecast, straight from NOAA SWPC and the L1 spacecraft — updated continuously.
Kp Index
Bz (IMF)
Southward — storm-favorable
Solar Wind Speed
Elevated
Density
Proton density
Hemi Power
Northern hemisphere
Spacecraft
SOLAR-1Kp Gauge
Data table
| Metric | Value |
|---|---|
| Kp Index | 6 |
| Scale max | 9 |
IMF Bz — Last 30 min
Data table
| Metric | Value |
|---|---|
| Current Bz | -12 nT |
| Direction | Southward |
3-Day Kp Forecast
Data table
| Period | Kp |
|---|---|
| T+6h | 3 |
| T+12h | 4 |
| T+18h | 5 |
| T+24h | 6 |
| T+30h | 7 |
| T+36h | 6 |
| T+42h | 5 |
| T+48h | 4 |
| T+54h | 4 |
| T+60h | 3 |
| T+66h | 3 |
| T+72h | 2 |
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Gear for aurora chasers
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