Geomagnetic storm forecast for Portland

August 26, 2026 11:15 AM

Portland change region

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Forecast for the next 24 hours

geomagnetic disturbances are possible (Kp = 4+)

geomagnetic disturbances are possible (Kp = 4+)

Geomagnetic index Kp forecast for the next three days for mid latitudes

Time zone — UTC−07 — summer time (Portland | geographic coordinates — 45.54 N 122.65 W)

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Estimated probability of geomagnetic storms and geomagnetic disturbances for the next 3 days.

Information is provided for mid latitudes for time zone UTC+00

Aug 26, 2026 Probability of geomagnetic storms Aug 26, 2026

Aug 27, 2026 Probability of geomagnetic storms Aug 27, 2026

Aug 28, 2026 Probability of geomagnetic storms Aug 28, 2026

Estimated values of Ap and F10.7 indices for the next 3 days for time zone UTC+00

	Aug 26, 2026	Aug 27, 2026	Aug 28, 2026
Ap	5	22	34
F10.7	135	133	130

Forecast of the daily maximum value of geomagnetic index Kp for the next month (31 days).

Information is provided for mid latitudes (region — Portland | time zone UTC−07)

PNG API: JSON | TXT