Weatherday: To the Rio Grande

Cold start but sunny spells through the morning. Clouding over in the afternoon, chance of a shower or two.

Highest temperature of 4deg will slip back to freezing conditions tonight. Moderate breezes from the northwest will ease in the evening.

On this day in 1845, the US Congress approved the annexation of the Republic of Texas, sparking the Mexican War over where the southern border was.

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