textproduct: Houston/Galveston

KEY MESSAGES

- Arctic air spilling into the region will keep cold temperatures in place this weekend. Freezes are likely tonight, hard freezes potentially for some locations. Wind chills will also be on the low side.

- Hazardous marine conditions today and into tonight with elevated winds/seas and low water levels. - A gradual warm up early next week along with rain chances returning to the forecast Tuesday and Tuesday night ahead of the next cold front.

DISCUSSION

Issued at 1204 AM CST Sat Jan 31 2026

Dry, cold, Arctic air will continue spilling into the area today. Readings will start out in the 27-37F range will struggle to warm much more than about 10 degrees this afternoon despite plentiful sunshine.

Tonight, mostly clear skies and lighter winds will allow readings to fall below freezing for all but maybe the beaches (who too will be close). In general, areas north of I-10 have a better shot of seeing hard freezes...meaning temps at or below 24F for 2+ hours. Will let the dayshift take a look at another round of model data and fine tune things and upgrade all, or portions of, the ongoing Freeze Watch to a Warning if need be. Regardless of any winter related Warning/Advisory headlines...the messaging is the same - it's going to be cold and we encourage folks to take the necessary cold weather precautions and preparations.

Surface high pressure slowly tracks to our east on Sunday. We should see some moderating temperatures and moisture return heading into early next week. Mid-upper ridging expands across the western CONUS and healthy ssewd shortwave diving down the Plains into Tx digs out another east CONUS trof by midweek. This pattern will favor our next Tue night or Wed morning frontal passage locally. We should see plenty of moisture to work with for some shower and isolated tstms to develop ahead of this boundary. Surface and upper ridging in its wake will provide dry, seasonable wx in its wake for the remainder of the work week. 47

AVIATION

(12Z TAF Issuance) Issued at 420 AM CST Sat Jan 31 2026

Breezy northerly winds should start to fill in from north to south this morning. Winds of around 10-15 knots with gusts of 20-25 knots can be anticipated inland, reaching around 20 knots with gusts of 30 near the coast at KGLS. Winds should ease down as the day progresses, becoming light and variable tonight. Mostly clear skies and VFR conditions prevail through the TAF period.

03

MARINE

Issued at 1204 AM CST Sat Jan 31 2026

North winds will again start increasing heading into the morning as colder, Arctic air spills into the region. Elevated winds and seas will persist for a good part of the day Saturday. Small Craft Advisories remain in effect, and some gusts to around 30kt are possible into the mid morning hours. Winds and seas will begin subsiding late today and into Sunday when winds become lighter and gradually veer to the east and southeast. Low water conditions will continue through the weekend particularly around low tide cycles. Onshore flow persists and gradually increases through Tuesday as the next system approaches. Conditions will need to be monitored for the potential for patchy sea fog Monday night and Tuesday night. The fog risk, for now, appears marginal. The next front and associated showers will push off the coast late Tue night or Wed morning. 47

PRELIMINARY POINT TEMPS/POPS

College Station (CLL) 41 23 54 36 / 0 0 0 0 Houston (IAH) 44 24 53 37 / 0 0 0 0 Galveston (GLS) 44 34 51 46 / 0 0 0 0

HGX WATCHES/WARNINGS/ADVISORIES

TX...Cold Weather Advisory until noon CST today for TXZ163-164- 176>179-195>200-210>214-226-227-235>238-300-313-335>338.

Freeze Watch from this evening through Sunday morning for TXZ163- 164-176>179-195>200-210>214-226-227-235>237-300.

GM...Low Water Advisory until 6 PM CST Sunday for GMZ330-335.

Small Craft Advisory until noon CST today for GMZ330-335.

Small Craft Advisory until 6 PM CST this evening for GMZ350-355- 370-375.