Moderate Activity 🌒 14% Updated live

Aurora Forecast for
Joint Base Lewis McChord Tonight

Current northern lights conditions for Joint Base Lewis McChord, Washington, United States. Latitude 47.1°N · AACGM-v2 magnetic latitude 51.9°N.

Quick Summary: The estimated northern lights outlook for Joint Base Lewis McChord peaks at 0% over the next 24 hours. No suitable viewing window.

Aurora forecast

0%

Estimated

Highest estimate · next 24 hours

Viewing window

No suitable viewing window

America/Los_Angeles

Kp index

3.67

Moderate

Planetary geomagnetic activity

Cloud cover

44%

Partly cloudy

Current sky visibility

Aurora

Tonight's Verdict

Low aurora probability in Joint Base Lewis McChord tonight. Check back tomorrow for updated conditions.

Hourly Forecast · Estimated

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12
12:00 — 0%
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18:00 — 0%
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00:00 UTC06:00 UTC12:00 UTC18:00 UTC23:00 UTC
Time (UTC)Estimated (%)
2026-10-15T00:00:00.000Z0%
2026-10-15T01:00:00.000Z0%
2026-10-15T02:00:00.000Z0%
2026-10-15T03:00:00.000Z0%
2026-10-15T04:00:00.000Z0%
2026-10-15T05:00:00.000Z0%
2026-10-15T06:00:00.000Z0%
2026-10-15T07:00:00.000Z0%
2026-10-15T08:00:00.000Z0%
2026-10-15T09:00:00.000Z0%
2026-10-15T10:00:00.000Z0%
2026-10-15T11:00:00.000Z0%
2026-10-15T12:00:00.000Z0%
2026-10-15T13:00:00.000Z0%
2026-10-15T14:00:00.000Z0%
2026-10-15T15:00:00.000Z0%
2026-10-15T16:00:00.000Z0%
2026-10-15T17:00:00.000Z0%
2026-10-15T18:00:00.000Z0%
2026-10-15T19:00:00.000Z0%
2026-10-15T20:00:00.000Z0%
2026-10-15T21:00:00.000Z0%
2026-10-15T22:00:00.000Z0%
2026-10-15T23:00:00.000Z0%
How to read this forecast

The next 24 hours use calculated local darkness and a retained aurora activity heuristic. They are not a measured or statistically calibrated chance of seeing aurora. Aggregate cloud cover is held constant unless a timed weather forecast is available.

Generated 2026-10-14T23:34:15.925Z. Kp: fresh · observation 2026-10-14T21:00:00.000Z. Cloud: fresh · cache refresh 2026-10-14T21:01:06.596+00:00. Overall model: estimated.

Window: No suitable viewing window. A dash marks a missing input; zero means the model found no visibility under the supplied conditions.

27-Day Forecast

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Oct 15

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Oct 16

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Oct 17

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About Aurora Viewing in Joint Base Lewis McChord

Joint Base Lewis McChord, United States, is at 47.1°N. Aurora visibility depends on local conditions as well as geomagnetic activity. Its verified magnetic latitude is 51.9°N; Kp 7–9 is an approximate screening range, not a visibility probability. Even favourable activity can be hidden by clouds or daylight. Find a dark, open northern horizon and check the sky before travelling.

Follow forecasts, cloud maps and aurora alerts for Joint Base Lewis McChord in Aurora Hunt, then confirm darkness, local cloud and access before going outside.

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Frequently Asked Questions

Can you see aurora in Joint Base Lewis McChord tonight?
Aurora visibility in Joint Base Lewis McChord depends on geomagnetic activity (Kp index), cloud cover, and darkness. At 47.1°N latitude, Joint Base Lewis McChord typically needs a Kp index of 7–9 for visible aurora. Check the real-time forecast above for tonight's conditions.
What time is best to see northern lights in Joint Base Lewis McChord?
The best time to see aurora in Joint Base Lewis McChord is typically between 10 PM and 2 AM local time, when skies are darkest. Aurora can appear any time after astronomical twilight, but peak activity usually occurs around local midnight.
Where to watch aurora in Joint Base Lewis McChord?
For the best aurora viewing in Joint Base Lewis McChord, find a location away from city light pollution with a clear view to the north. Dark areas outside the city center, elevated viewpoints, and spots near water are ideal. Check cloud cover before heading out.
What Kp index is needed to see aurora in Joint Base Lewis McChord?
Joint Base Lewis McChord is at 47.1°N latitude and typically requires a Kp index of 7–9 for visible aurora. Higher Kp values mean stronger geomagnetic storms and better aurora visibility, even at lower latitudes.
Is Joint Base Lewis McChord, United States a good place to see northern lights?
Joint Base Lewis McChord can see aurora during strong geomagnetic storms. Located at 47.1°N, aurora is visible when Kp index reaches 7–9 or higher.

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