The August 21, 2017 eclipse will be visible under clear skies from many places in the US. Moving to a spot with the clearest predicted weather, before the event, will increase your chances of a clear view.

These resources can help eclipse observers up their chances of clear skies, with the latest data, in the last few days before the eclipse. Detailed forecasts for a few large cities near the path of totality are included. Images are linked to the original source for more detailed or up-to-date data. You can navigate to local data for other locations or times.

The web sites with the original weather data can be slow to load and navigate under normal circumstances. They may become slower as the eclipse approaches. A page that cuts through the navigation and fluff to just the data you need in one spot can be a time saver. I tailored this page for myself, friends, and family. If the data and locations on this page are not exactly what you need, feel free to copy and use it as a template for your own custom eclipse weather page. Jay Anderson's Eclipsophile includes an expert survey and analysis of available resources.

National Forecasts

SpotWx graphical weather model display - check GFS (10 days out), NAM (3.5 days out), HRDPS (2 days out), & HRRR (18 hours).

College of DuPage NeXt Generation Weather Lab HRRR average total cloud cover forecast for eclipse day:

NOAA Sky Cover Forecast for eclipse day ( old interface)

Intellicast SkyWatch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

National Overviews of Current Weather

Wildfire Smoke Plume Map

The EPA AirNow site has an interactive map that shows smoke plumes from wildfires in North America. Current data from NOAA is shown below:

NOAA Water Vapor Satellite

NOAA IR Satellite

NOAA Visible Satellite

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Nebraska

Nebraska 511 Traveler Information

NWS Nebraska Eclipse Weather

Satellite Infrared and Visible with loop from NeXt Generation Weather Lab

Sky Watch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

Hourly extended forecasts for Grand Island

National Weather Service Graphical Interactive Sky Cover Forecast Map

National Weather Service extended forecast

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Missouri

Missouri DOT Traveler Information

Satellite Infrared and Visible with loop from NeXt Generation Weather Lab

Sky Watch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

Hourly extended forecasts for St Louis

National Weather Service Graphical Interactive Sky Cover Forecast Map

National Weather Service extended forecast

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Oregon

Oregon DOT Traveler Information

Satellite Infrared and Visible with loop from NeXt Generation Weather Lab

Sky Watch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

Hourly extended forecasts for Salem

National Weather Service Graphical Interactive Sky Cover Forecast Map

National Weather Service extended forecast

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South Carolina

South Carolina 511 Traffic Information

Satellite Infrared and Visible with loop from NeXt Generation Weather Lab

Sky Watch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

Hourly extended forecasts for Columbia

National Weather Service Graphical Interactive Sky Cover Forecast Map

National Weather Service extended forecast

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Tennessee

Tennessee Traffic Information

Satellite Infrared and Visible with loop from NeXt Generation Weather Lab

Sky Watch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

Hourly extended forecasts for Nashville

National Weather Service Graphical Interactive Sky Cover Forecast Map

National Weather Service extended forecast

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Wyoming

Wyoming 511 Traveler Information

Satellite Infrared and Visible with loop from NeXt Generation Weather Lab

Sky Watch - 8 hours ahead shown below, follow the link for forecasts up to 2 days ahead.

Hourly extended forecasts for Casper

National Weather Service Graphical Interactive Sky Cover Forecast Map

National Weather Service extended forecast