Colder, wetter week to finish October

Forecast

AUSTIN (KXAN) — Outside of a few timing issues, a blast of colder, wetter weather is expected for the first half of the work week.

Monday morning will start warm with temperatures still in the upper 60s to low 70s under a cloudy sky. The much-talked about cold front we’ve been tracking looks to arrive by midday – entering the Hill Country late morning before creeping towards the I-35 corridor by early afternoon. This will leave areas along and east of I-35 with enough time to warm into the 80s early Monday afternoon before the bottom falls out. A blast of cold air behind the front will cause temps to drop like a rock to the 40s/50s… making for a much colder, windier end to the day.

Some models have the front arriving later in the day (and some, not even making it to our area at all!), but the model below has a track record of handling these cold fronts better than the rest, so our forecast will lean towards its projected timing of tomorrow’s front.

Following Monday’s front, a strong cut-off low pressure system will sink south from the Great Basin into the Desert Southwest. This low will then drift west to east across Texas Tuesday into Wednesday, keeping rain chances in our forecast through midweek. It’s likely we’ll see the heaviest and most-widespread rain on Wednesday. Total rain accumulation will be anywhere between 0.25″ and 0.75″ in most locales.

Temperatures will struggle to recover after Monday’s front so expect a string of cold (40s/50s for the Hill Country, 50s/60s for the metro and eastern counties), wet and windy days to last through Wednesday. Overnight lows will be coldest Tuesday morning (30s/40s). And while a freeze is unlikely in the Austin metro area, some locations in the Hill Country could see temperatures dip down to the low to mid-30s. Be sure to protect plants and pets this week!

This system will move out of the area by Thursday, bringing sunshine and milder temperatures back to Central Texas just in time for Halloween weekend.

Tropics In-Depth

NEW: Tropical Storm Zeta formed in the Caribbean early Saturday morning becoming our 27th named storm of the season. It is expected to move north/northwest into the Gulf of Mexico through early next week while further strengthening. Zeta is likely to become a hurricane before weakening on approach to the northern Gulf Coast later this week.

Atlantic hurricane season 2020 been record-setting in several categories.

  • Second time in history we’ve exhausted all 21 listed names, resulting in having to use the Greek alphabet for further storm development
  • More than 17 named storms have set early-formation records
  • Record 10 landfalling storms in the U.S.
  • Hurricane Delta the strongest-ever Greek-named storm with 145 mph peak winds, and the first hurricane with a Greek name to make landfall in the U.S.

Copyright 2020 Nexstar Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

7 -Day and Hourly for Category

Overcast

Austin

80°F Overcast Feels like 82°
Wind
7 mph
Humidity
62%
Sunrise
Sunset

Tonight

Warm ahead of strong cold front.
69°F Warm ahead of strong cold front.
Wind
6 mph N
Precip
10%
Sunset
Moon Phase
Waxing Gibbous
Overcast

San Marcos

78°F Overcast Feels like 80°
Wind
10 mph SE
Humidity
76%
Sunrise
Sunset

Tonight

Warm ahead of strong cold front.
69°F Warm ahead of strong cold front.
Wind
6 mph N
Precip
10%
Sunset
Moon Phase
Waxing Gibbous
Overcast

Lockhart

78°F Overcast Feels like 80°
Wind
10 mph SE
Humidity
76%
Sunrise
Sunset

Tonight

Warm ahead of strong cold front.
69°F Warm ahead of strong cold front.
Wind
6 mph N
Precip
10%
Sunset
Moon Phase
Waxing Gibbous
Overcast

Llano

77°F Overcast Feels like 79°
Wind
5 mph SE
Humidity
65%
Sunrise
Sunset

Tonight

Scattered thunderstorms early, then mainly cloudy overnight with thunderstorms likely. Low 67F. Winds ESE at 5 to 10 mph. Chance of rain 70%.
67°F Scattered thunderstorms early, then mainly cloudy overnight with thunderstorms likely. Low 67F. Winds ESE at 5 to 10 mph. Chance of rain 70%.
Wind
7 mph ESE
Precip
70%
Sunset
Moon Phase
Waxing Gibbous
Overcast

Blanco

79°F Overcast Feels like 81°
Wind
3 mph ESE
Humidity
61%
Sunrise
Sunset

Tonight

Isolated thunderstorms this evening becoming more widespread overnight. Low 68F. Winds SSE at 5 to 10 mph. Chance of rain 60%.
68°F Isolated thunderstorms this evening becoming more widespread overnight. Low 68F. Winds SSE at 5 to 10 mph. Chance of rain 60%.
Wind
9 mph SSE
Precip
60%
Sunset
Moon Phase
Waxing Gibbous
Overcast

La Grange

78°F Overcast Feels like 79°
Wind
7 mph SSE
Humidity
80%
Sunrise
Sunset

Tonight

Cloudy with occasional showers overnight. Thunder possible. Low 71F. Winds SE at 5 to 10 mph. Chance of rain 40%.
71°F Cloudy with occasional showers overnight. Thunder possible. Low 71F. Winds SE at 5 to 10 mph. Chance of rain 40%.
Wind
7 mph SE
Precip
40%
Sunset
Moon Phase
Waxing Gibbous

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