The inaugural use of SWPC’s Space Weather Prediction Testbed took place in spring 2025 during a multi-agency exercise preparing for NASA’s Artemis II mission.

Space Weather Overview Station K and A Indices STORM Time Empirical Ionospheric Correction Summary of Space Weather Observations U.S. Total Electron Content USAF 45-Day Ap and …

This product is designed to be a one page, simple look at recently observed and a three day forecast of space weather conditions. A brief description of why conditions occurred or are …

In Space Weather, persistence and recurrence of active regions on the sun over the 27-day solar rotational period play an important role in accurately forecasting the space environment.

3 days ago · Space Weather Enthusiasts Dashboard Space Weather Overview :Product: 3-Day Forecast :Issued: 2026 Jan 11 0030 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, …

Issued every Monday, the Advisory provides general descriptions of space weather conditions during the past week and an outlook for the next 7 days. Outlooks are based on the NOAA …

This document provides a look at the highlights of space weather events and the 27-day outlook, summarized from The Weekly. The Weekly contains all the information SWPC considers …

As part of the Space Weather Prediction Center's rollout of our improved website, the content from Space Weather Now is being provided in a new way. Try the following page: Space …

The NOAA SWFO-L1 spacecraft is approaching its orbital insertion day of January 20, 2026.

Sep 30, 2025 · NOAA's Space Weather Prediction Center (SWPC) is the official source for space weather forecasts for our nation. They forecast solar storms, much like other National Weather …