


Routine Space Environment Product Issued Weekly
Issued by NWS
Issued by NWS
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049 FXXX02 KWNP 280156 WEKFOR :Product: 27-day Space Weather Forecast :Issued: 2025 Jul 28 0129 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 28 July - 23 August 2025 Solar activity is expected to be at mostly low levels with a chance for M-class (R1-R2, Minor to Moderate) flares for the outlook period. No proton events are expected at geosynchronous orbit. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at high levels on 28 July, 05-06 August and 10-23 August all due to recurrent CH HSS influences. Low to moderate levels are expected on the remaining days. Geomagnetic field activity is expected to be at active to G1 (Minor) storm levels on 04 August, 07-14 August and 18-22 August due to recurrent CH HSS effects. Quiet to unsettled levels are expected on the remaining days of the outlook period.