Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Moderate to Strong Storm Observed - Minor to Moderate conditions expected to linger

A plot of the planetary K-index showing moderate to strong storm conditions.
Moderate to Strong Storm Observed - Minor to Moderate conditions expected to linger
published: Saturday, July 4, 2026 16:02 UTC

A moderate to (briefly) strong geomagnetic storm

was observed with the arrival of the CME from 30 Jun.  Disturbed conditions reaching minor to moderate levels are expected to persist into 05 July.