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Geomagnetic storm forecast for Boise — May 21, 2025

Home Geomagnetic storm forecast Boise May 21, 2025

Geomagnetic storm forecast for Boise for May 21, 2025

the Earth's magnetosphere was expected to be calm (Kp = 3.33)

Geomagnetic storm forecast for 3 days

Geomagnetic index Kp forecast from May 21, 2025 to May 23, 2025 for mid latitudes

Location — Boise (geographic coordinates — 43.61 N -116.24 W | time zone UTC-06 - summer time)

Kp forecast
This chart in PNG format — high resolution API data: JSON or TXT

Probability of geomagnetic storms for 3 days

Estimated probability for Earth's magnetosphere state from May 21, 2025 to May 23, 2025.

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

21.05.2025
Probability 21.05.2025
22.05.2025
Probability 22.05.2025
23.05.2025
Probability 23.05.2025

3-day forecast for Ap and F10.7 indices

Estimated values of Ap and F10.7 indices from May 21, 2025 to May 23, 2025 for time zone UTC+00

  21.05.202522.05.202523.05.2025
Ap 12108
F10.7 115115120

Geomagnetic storm forecast for a month

Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days) from May 21, 2025 to May 23, 2025

Information is provided for mid latitudes (time zone UTC-06)

Kp long forecast
This chart in PNG format — high resolution API data: JSON or TXT