


Routine Space Environment Product Issued Weekly
Issued by NWS
Issued by NWS
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244 FXXX02 KWNP 300626 WEKFOR :Product: 27-day Space Weather Forecast :Issued: 2025 Jun 30 0550 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # 27-day Space Weather Forecast # Forecast of Solar and Geomagnetic Activity 30 June - 26 July 2025 Solar activity is expected to be at low levels on 30 Jun - 04 Jul. Moderate (R1-R2, Minor-Moderate) levels are likely on 05 Jul - 26 Jul with the return of old Regions 4114 (N21, L=035) and 4117 on 05 Jul and 12 Jul, respectively. No proton events are expected at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit is expected to reach high levels on 30 Jun -01 Jul, 03 -08 Jul, and again on 20-26 Jul due to recurrent CH HSS influence. Geomagnetic field activity is expected to reach unsettled to active levels with G1 (Minor) geomagnetic storming likely on 02-03 Jul with the arrival of the 28 Jun CME. Unsettled to active levels are expected on 04-09, 11-19, 22-25 Jul with G1 (Minor) storming likely on 23-24 Jul due to recurrent CH HSS activity.