For those hoping to get a glimpse of Monday’s rare transit of the planet Mercury across the face of the sun, the weather across the United States will either be very good, with clear skies and excellent viewing prospects, or very bad, with cloud-filled skies and perhaps some rain or wintry precipitation thrown in for bad measure.

The national weather map for Monday morning (Nov.11) – when the transit will underway across the United States – shows a cold front extending southwestward from eastern Maine to a developing storm system over northern Texas. Another cold front will stretch southeast from Washington State, down into northern New Mexico. Meanwhile, a large and unusually cold (for November) high pressure system will be centered near eastern Montana and the western Dakotas. 

This weather map shows the national forecast for Nov. 11, 2019, the day of the Transit of Mercury.

(Image credit: Joe Rao)

Poor viewing odds for parts of U.S.

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