Space Weather

Geomagnetic activity & aurora outlook

Current Kp-Index 2.0 Quiet
Geomagnetic Storm (G) 0 None
Solar Radiation (S) 0 None
Radio Blackout (R) 0 None

Aurora Forecast — OVATION Model

NOAA's 30-90 minute aurora forecast, looping through the last 6 hours of frames. The green/red oval shows where the aurora is likely to be visible right now — click an image to enlarge. View source imagery on NOAA →

Northern Hemisphere

NOAA OVATION aurora forecast, Northern Hemisphere

Southern Hemisphere

NOAA OVATION aurora forecast, Southern Hemisphere

Recent Space Weather Alerts

2026-06-29 05:02:33.583

Space Weather Message Code: ALTEF3 Serial Number: 3707 Issue Time: 2026 Jun 29 0502 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3706 Begin Time: 2026 Jun 26 1345 UTC …

View Full Alert on NOAA →
2026-06-30 04:59:52.107

Space Weather Message Code: ALTEF3 Serial Number: 3708 Issue Time: 2026 Jun 30 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3707 Begin Time: 2026 Jun 26 1345 UTC …

View Full Alert on NOAA →
2026-06-30 12:10:11.040

Space Weather Message Code: WARK04 Serial Number: 5371 Issue Time: 2026 Jun 30 1210 UTC WARNING: Geomagnetic K-index of 4 expected Valid From: 2026 Jun 30 1209 UTC Valid To: 2026 Jun 30 2359 UTC …

View Full Alert on NOAA →
2026-06-30 12:52:12.573

Space Weather Message Code: ALTXMF Serial Number: 533 Issue Time: 2026 Jun 30 1252 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jun 30 1251 UTC Noaa Scale: R2 - Moderate Comment: NOAA Scale: …

View Full Alert on NOAA →
2026-06-30 13:32:19.770

Space Weather Message Code: SUMXM5 Serial Number: 320 Issue Time: 2026 Jun 30 1332 UTC SUMMARY: X-ray Event exceeded M5 Begin Time: 2026 Jun 30 1237 UTC Maximum Time: 2026 Jun 30 1257 UTC End …

View Full Alert on NOAA →

Kp Forecast

07-30 00:00Z 3.0
07-30 03:00Z 1.7
07-30 06:00Z 2.0
07-30 09:00Z 2.0
07-30 12:00Z 2.0
07-30 15:00Z 2.7
07-30 18:00Z 3.3
07-30 21:00Z 4.0
07-31 00:00Z 4.0
07-31 03:00Z 4.3
07-31 06:00Z 3.0
07-31 09:00Z 2.3
07-31 12:00Z 2.0
07-31 15:00Z 2.0
07-31 18:00Z 2.3
07-31 21:00Z 3.0

Aurora Visibility Guide

Rough guide only — local cloud cover, moon phase, and light pollution all affect what's actually visible.

Kp 0–2 Quiet Arctic Circle only — northern Alaska and far northern Canada.
Kp 3 Unsettled Northern Canada and Alaska.
Kp 4 Active Northern-tier US on the horizon — northern MT, ND, MN, WI, MI, ME.
Kp 5 Minor Storm (G1) Northern US states — WA, MT, ND, MN, WI, MI, NY, ME.
Kp 6 Moderate Storm (G2) Further south — OR, ID, WY, SD, IA, IL, PA, NJ.
Kp 7 Strong Storm (G3) Much of the northern half of the US — NV, UT, CO, NE, KS, MO, OH, VA.
Kp 8 Severe Storm (G4) As far south as CA, AZ, NM, TX, AL, GA — rare.
Kp 9 Extreme Storm (G5) Potentially visible across nearly the entire continental US — very rare.
Expanded view