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Northern Lights Forecast for Thompson, MB Tonight

Check Thompson’s northern lights forecast tonight, with northern Manitoba viewing advice, forest openings, city-light limitations, and seasonal darkness.

Worth watching

Keep an eye on the sky tonight

Conditions are promising enough to monitor, especially from a dark place with an open view. Timing and cloud cover can decide the outcome.

Tonight in Thompson: Medium chance

Practical viewing window: 8:15 PM–6:39 AM local time

Darkness guide

Is twilight good or bad for aurora?

Darker is better. A darker sky creates more contrast, making faint colors and movement easier to see.

Full darkness

Best visibilityYour forecast

Sun below −18°

The sky offers its best contrast. Fainter aurora has a better chance of standing out.

Astronomical twilight

Good, with limits

Sun between −18° and −12°

The sky is not completely dark, but a moderate or bright display can still be clearly visible.

Nautical twilight

Difficult

Sun between −12° and −6°

Twilight still brightens the sky. Usually only vivid aurora will be easy to see with your eyes.

Bright summer sky

Poor visibility

Sun stays above −6°

The sky is too bright for routine viewing. An exceptional display may still appear, but it is not something to plan around.

Practical takeaway: aurora activity and darkness are separate. A strong forecast during twilight means aurora may be active, but the bright sky can make it harder to see.
Now
None
Typical activity
Kp 1+
Approximate oval reach
Where to look
Low toward the northern horizon
Weather
Sky outlook unavailable
Aurora activity, darkness, and cloud cover are evaluated separately. The forecast uses the local observing night, including nights that cross UTC dates. Aurora forecast data refreshes every ten minutes. See how the forecast works.

Night-by-night forecast for Thompson

Tonight

Sep 20

Medium
Peak Kp 2.0

Tomorrow

Sep 21

Low
Peak Kp 1.7

Tuesday

Sep 22

Low
Peak Kp 1.7

Early outlook — more hours will be added

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Local viewing guide

Aurora inThompson

Latitude
55.7° N
Location
Manitoba, Canada

Thompson's northern Manitoba location makes it a useful base for watching aurora during dark, clear conditions. The forecast is centered on the city, not the entire surrounding boreal region. A broad view and limited direct lighting help reveal weaker activity.

Find a safe opening beyond the urban lights

Dense forest can restrict the sky even where artificial light is minimal. Look for designated public access to an open area, checking the northern skyline before choosing a spot. The Burntwood River corridor offers a different landscape from wooded streets, but local access and bank conditions still need attention.

Long winter nights provide more time to watch, while summer twilight greatly reduces the dark window. Prepare for the actual weather and avoid relying on an unfamiliar remote road for a spontaneous outing. Compare Churchill for a separate northern Manitoba forecast or Winnipeg farther south. Neither substitutes for checking cloud over Thompson itself.

How to use tonight's forecast in Thompson

The current aurora chance for Thompson is None. Use the local viewing guide above for Thompson-specific context, then combine the live rating with darkness and weather.

What the current chance means

A none or near-none chance in Thompson usually means tonight is not a strong aurora setup for this location. It is still useful context, because you can compare later updates or look at cities farther north for better odds.

Learn

Aurora guides for nights like Thompson

Read these guides when the Thompson forecast looks interesting but you still need help judging darkness, season, or viewing conditions.

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