The watch is in effect from Monday evening through Tuesday afternoon. Heavy accumulations of sleet and snow are possible.

Southeast Texas' outlook for next week's winter storm continues to worsen, with a growing likelihood of a deep freeze and substantial wintry precipitation, snow and sleet in the Houston area. Space City Weather's Eric Berger published an atypical afternoon report on Friday warning of an "increasingly likely" and drastic mix of hard freeze and snowy conditions expected in Southeast Texas early next week.

Houston officials are preparing for severe cold weather expected to hit the region Sunday night, with Mayor John Whitmire announcing the activation of warming centers across the city to protect vulnerable residents.