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Regional forecast · Not an observing destination
Powell, WY
Wednesday night, October 14-15
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Model outlook: Good
- Best window
- Wednesday 8:00 PM MDT-Thu, 6:00 AM MDT
- Primary modeled limiter
- No major limiter identified among the reported inputs for this window
Moderate confidence forecastOne weather source (NWS); independent agreement unavailable, so confidence is capped at moderate.
Issued
Forecast expires
This is a regional forecast sample, not a verified observing destination. Its model category summarizes reported inputs, not complete observing quality.
Next step: Recheck local conditions before leaving; confirm a real site's access before making a travel plan.
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Decision details and other actions
Broad sky conditions are favorable in Powell, WY during Wednesday night, October 14-15, especially in the Wednesday 8:00 PM MDT-Thu, 6:00 AM MDT window. This forecast zone is not a verified observing destination, so choose and verify a real public site before leaving.
Forecast source cycle: Oct 14 (UTC)
Single weather provider (NWS); independent agreement unavailable. Confidence is capped at medium. Confidence is medium.
View Wyoming forecastHow to read this model outlook
This category summarizes supported inputs available for this forecast scope. It is not a probability or a measurement of actual observing conditions.
Powell, WY hourly decision inputs
Use the hourly view to compare the model category and supported inputs across the night. Categories are not probabilities or measurements of actual sky quality.
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Categories summarize supplied forecast-model inputs, not the full quality of an actual observing session. Missing or stale samples are unavailable; a supported ineligible hour is kept distinct.
Strongest supported comparison window
Wed, 8:00 PM MDT-Thu, 6:00 AM MDT
Compare the reported inputs below before choosing an hour.
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Hourly forecast inputs · 20 samples
Scroll sideways for all conditions. Keyboard: focus the table, then use the arrow keys.
| Time | Model category | Clouds | Rain | Moon | Darkness | Confidence |
|---|---|---|---|---|---|---|
| Borderline (selected window) | 37% | 2% | 0% | 100% | Moderate confidence forecast | |
| Borderline (selected window) | 37% | 2% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 30% | 2% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 30% | 2% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 29% | 3% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 29% | 3% | 0% | 100% | Moderate confidence forecast | |
| Borderline (selected window) | 37% | 3% | 0% | 100% | Moderate confidence forecast | |
| Borderline (selected window) | 37% | 3% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 35% | 2% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 35% | 2% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 22% | 1% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 22% | 1% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 15% | 1% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 15% | 1% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 20% | 1% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 20% | 1% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 16% | 0% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 16% | 0% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 13% | 0% | 0% | 100% | Moderate confidence forecast | |
| Good (selected window) | 13% | 0% | 0% | 100% | Moderate confidence forecast |
Wed 8:00 PM selected
Model outlook: Borderline. Confidence: Moderate confidence forecast.
This hour belongs to the selected comparison window; its category summarizes the reported model inputs for this hour.
Clouds 37%
Precipitation 2%
Moon effect 0%
Darkness 100%
Confidence and evidence
Selected window is relative, not a claim that every included hour is favorable or uninterrupted clear sky.
Scope: A forecast for the named forecast area; it does not identify an observing site.
Confidence: Moderate confidence forecast. Single weather provider (NWS); independent agreement unavailable. Confidence is capped at medium. Confidence is medium.
Reported limiter: No supported factor materially limits this window.
Confidence describes evidence strength, not the probability that an observing session will succeed.
What this forecast included
What the model included
Selected forecast window; 20 source samples.
cloud cover: window summary value 65; hourly support complete (20 of 20 selected samples).
solar darkness: window summary value 100; hourly support complete (20 of 20 selected samples).
target-specific suitability: window summary explicitly null; no hourly factor values (0 of 20 selected samples).
Moon interference: window summary value 100; hourly support complete (20 of 20 selected samples).
ambient light / sky brightness: window summary explicitly null; no hourly factor values (0 of 20 selected samples).
independent provider agreement: window summary explicitly null; no hourly factor values (0 of 20 selected samples).
This is model-input coverage, not measured sky quality, observing success, or probability.Published hourly evidence does not include solar-altitude values. The reported darkness input is separate and is not a substitute. These inputs explain the existing model outlook; they do not establish a calibrated probability of good observing conditions.
Why this score
The practical factors behind tonight's decision
No supported factor materially limits this window.
Planning note: Use this as a favorable regional signal, then select and verify a real observing site.
Clouds: 25.4%
Moon interference during the decision window: 0.01%
Regional darkness proxy: Very high
Light-pollution impact is unavailable for this forecast zone.
How to use this forecast zone
Select and verify a real observing site before travel
- Recheck broad clouds and moonlight before Wednesday 8:00 PM MDT-Thu, 6:00 AM MDT.
- Choose a real public observing site inside the zone; this forecast centroid is not a destination.
- Confirm legal access, parking, gate hours, road conditions, and your return route for that real site.
- Use the state map to compare zones, then recheck local conditions before travel.
Planning beyond tonight
Longer-range regional guidance
A supported seven-night regional series is not available yet. Recheck each day as the next night enters the reliable forecast window.
How dark is it here?
Simple visibility context
Unavailable
Site darkness: Not assigned. Choose a real location before using a Bortle class.
Moon interference: 0.01% during the selected regional decision window
Forecast zone scope
Regional conditions only; this is not an access record
Use this zone to compare broad conditions, then choose a real public observing site. The forecast centroid does not provide legal access, parking, closing hours, or a safe arrival point.
Forecast confidence: Moderate confidence forecast
Forecast source cycle: Oct 14 (UTC)
Generated: Wednesday, Oct 14, 2026, 8:35 PM UTC
Access notes: No additional structured access notes yet.
What this sample can tell you
Conditions only, not object visibility
This regional sample describes broad clouds, window-specific Moon interference, and dark-sky potential. It does not verify that a named object is above the horizon at this centroid.
Check verified What Can I See resultsWhat to bring tonight
Keep the setup matched to conditions
- Naked eye is enough for the main view.
- Binoculars are optional.
- Bring a red flashlight.
- Dress warmer than the daytime temperature.
- Check clouds again before leaving.
Event context for this forecast zone
Use event pages for timing, then choose and verify a real observing site
Practical actions
Plan and share quickly
Safety check: confirm legal access, parking, weather updates, and return route before leaving.
Guides for choosing a real observing place
Use these to turn regional conditions into a verified site plan