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Geomagnetic activity forecast in Chicago

Apr 11, 2026 14:39 Chicago
Yesterday

Geomagnetic storm forecast in Chicago in the next 24 hours

geomagnetic disturbances are possible (Kp = 4.67)

Geomagnetic storm forecast for 3 days

Geomagnetic index Kp forecast from Apr 11, 2026 to Apr 13, 2026 for mid latitudes

Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-05 - summer time)

Forecast of the geomagnetic index Kp
This chart in PNG format — high resolution API data: JSON or TXT

Probability of geomagnetic storms for 3 days

Estimeted probability for Earth's magnetosphere state for 3 days.

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

11.04.2026
Probability of quiet conditions (green), disturbed conditions (yellow) and magnetic storms (red) for 11.04.2026
12.04.2026
Probability of quiet conditions (green), disturbed conditions (yellow) and magnetic storms (red) for 12.04.2026
13.04.2026
Probability of quiet conditions (green), disturbed conditions (yellow) and magnetic storms (red) for 13.04.2026

3-day forecast for Ap and F10.7 indices

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

  11.04.202612.04.202613.04.2026
Ap 151010
F10.7 120118115

Geomagnetic storm forecast for a month

Forecast of the daily maximal value of geomagnetic index Kp for 1 month (31 days)

Information is provided for mid latitudes (time zone UTC-05)

Forecast of the daily maximal value of geomagnetic index Kp for <b>1 month</b> (31 days) <b></b>
This chart in PNG format — high resolution API data: JSON or TXT