NOAA NWS Space Weather Prediction Center

NOAA NWS Space Weather Prediction Center Safeguarding society with actionable space weather information.

NWS is using Facebook as a supplemental channel to disseminate environmental information and promote weather awareness activities including outreach and educational efforts. For more detailed information on this service, seehttp://weather.gov/infoservicechanges/localfacebook_sdd.pdf (clickable link in Website section)

06/11/2026

G2 Watch for 13 Jun UTC-day. We have high confidence in timing, but less confidence regarding intensity. Why is that, how do we make those forecasts and determinations, and what next? Check out this latest SWPC video from 11 June get answers to these questions.

06/10/2026

Learn more about SOLAR-1 and how to see the observations of the solar wind from our new NOAA operational spacecraft by watching this SWPC video posted 10 June, 2026 U.S. National Weather Service (NWS)

A G3 geomagnetic storm Watch has been issued for 8 Jun, and a G2 geomagnetic storm Watch has been issued for 9 Jun for t...
06/06/2026

A G3 geomagnetic storm Watch has been issued for 8 Jun, and a G2 geomagnetic storm Watch has been issued for 9 Jun for the anticipated arrival of the CME that left the Sun on 6 Jun. Stay tuned for updates!

AR 4461 produced an M1.8 flare at 06/1401 UTC. This event was associated with a filament eruption and subsequent CME of ...
06/06/2026

AR 4461 produced an M1.8 flare at 06/1401 UTC. This event was associated with a filament eruption and subsequent CME of which analysis and modeling is currently underway. An Earth-directed component is currently anticipated and would likely arrive on June 8th by rough estimates.

G2 geomagnetic storm levels reached following the likely arrival of the anticipated CME(s) from 3 Jun. Stay tuned for up...
06/05/2026

G2 geomagnetic storm levels reached following the likely arrival of the anticipated CME(s) from 3 Jun. Stay tuned for updates!

A minor (G1) storm alert has been issued as the expected disturbance reaches Earth.
06/05/2026

A minor (G1) storm alert has been issued as the expected disturbance reaches Earth.

The current forecast calls for combined CME arrival around mid-afternoon EDT of June 4, with up to G3 levels possible af...
06/04/2026

The current forecast calls for combined CME arrival around mid-afternoon EDT of June 4, with up to G3 levels possible afterwards. CME passage would likely continue into the evening and possibly overnight hours of June 5. Stay aware at spaceweather.gov

06/03/2026

There is still great uncertainty regarding the timing and intensity of the CMEs here at Earth. We appear to be dealing with at least 3 CMEs, one of which is faster than the others, so a combination event is likely. Keep visiting spaceweather.gov for the latest.

06/03/2026

We know how much you appreciate the video updates, but we are unable to do one today about the CMEs and G3 Watch due to higher support priorities. However, we will try to do a video update early Thursday morning. Meanwhile, stay updated on our webpage at spaceweather.gov

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