Freeze Warnings are in effect overnight for New Mexico’s Upper Rio Grande Valley and Colorado’s San Luis Valley, with a Freeze Watch for Friday morning across the New Mexico highlands and western Colorado.
A Wind Advisory with gusts up to 55 mph also hits northeast New Mexico on Thursday. For some areas, this will be the first freeze of the season.
Freeze Warnings: Tonight into Thursday Morning
Upper Rio Grande Valley, New Mexico: Freeze Warning from 2 a.m. to 9 a.m. MDT Thursday, with lows as low as 27 degrees.
San Luis Valley, Colorado: Freeze Warning from midnight tonight to 8 a.m. MDT Thursday, with lows in the mid 20s to lower 30s.
The San Luis Valley warning covers the northern, central and southern valley below 8,500 feet. Communities include Alamosa, Monte Vista, Del Norte, Center, La Jara, Antonito, Manassa, San Luis, Blanca, Sanford and Fort Garland.
NWS Pueblo says this could be a killing freeze that ends the growing season across the valley.
NWS Pueblo flagged the freeze Tuesday, when it was still a watch.
Freeze Watch: Late Thursday Night Through Friday Morning

New Mexico (NWS Albuquerque): the Central Highlands, Estancia Valley and Northeast Highlands have lows as low as 29.
Union County and the Far Northeast Highlands have lows as low as 30. The most likely area is western Union County.
Western Colorado (NWS Grand Junction): lows of 24 to 30 degrees, and lower valleys may drop to 20.
It covers the Yampa, Central Colorado and San Juan river basins, including Steamboat Springs, Craig, Meeker, Glenwood Springs, Carbondale, Eagle, Gypsum, Basalt and Pagosa Springs.
Wind Advisory: Northeast New Mexico
A Wind Advisory covers Union County and the Far Northeast Highlands from noon to midnight MDT Thursday.
North winds of 25 to 35 mph will gust to 50 or 55 mph.
Expect unsecured objects blown around, downed tree limbs and strong crosswinds. High-profile vehicles should use extra caution.
NWS Albuquerque warns of a strong backdoor cold front.
Safety Reminders
Take steps now to protect tender plants from the cold.
Cover or harvest garden plants, and bring potted plants indoors.
Wrap or drain water pipes, or let them drip slowly.
Secure loose outdoor items before Thursday’s winds.
For live updates, follow NWS Albuquerque and NWS Pueblo on X.
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