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I encourage you to check out the latest NWS Austin-San Antonio forecast
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Remember, in periods of severe/inclement weather, it is YOUR
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.. make sure the WEA alerts are activated in your settings on your smart phone ..
.. go to the NWS Austin-San Antonio website at weather.gov/ewx ..
.. go to http://mesonet.agron.iastate.edu/cgi-bin/afos/retrieve.py?pil=warewx&limit=20&fmt=html for a chronological text listing (most current
at the top but note the page doesn’t auto-refresh, you must refresh page manually)
of all NWS Austin-San Antonio watches, advisories and warnings.. Always check
the date and time of issuance of these NWS text products since, in periods of tranquil weather, the latest products may be outdated and/or expired..
—-
AUSTIN / IH35 CORRIDOR
7-DAY FORECAST WEATHER HAZARDS…
Mo/24Aug
Extreme Heat Warning…
Elevated to Dangerous Afternoon/Evening Heat Stress
Tu/25Aug
Extreme Heat Warning…
Elevated to Dangerous Afternoon/Evening Heat Stress
We/26Aug..
Extreme Heat Warning Until 7pm…
Elevated to Dangerous Afternoon/Evening Heat Stress
Th/27Aug..
Elevated to Dangerous Afternoon/Evening Heat Stress
Fr/28Aug..
Elevated to Dangerous Afternoon/Evening Heat Stress
Sa/29Aug..
Elevated to Dangerous Afternoon/Evening Heat Stress
Su/30Aug..
Elevated to Dangerous Afternoon/Evening Heat Stress
—
7-DAY RAINFALL FOR THE IH-35 CORRIDOR…
Based on NWS/Weather Prediction Center guidance and model forecasts,
little if any rainfall is forecast for our IH35 corridor counties over the 7 day
forecast period ending on Sunday.
—
AUSTIN / IH35 CORRIDOR
MY SEVEN DAY WEATHER THOUGHTS
AND MY 7 DAY FORECAST CONFIDENCE …
Upper level high pressure, acting like a “lid” on the atmosphere, continues
through the balance of the seven day forecast period. This is resulting in a
stable pattern meaning a dry late summer weather pattern for our area.
We’ll continue with elevated to dangerous afternoon and evening heat stress
over the next seven days. A NWS Extreme Heat Warning until at least 7pm on
Wednesday. Please stay hydrated and take it easy out there in the afternoon
into evening hours.
While some guidance does show some minimal rain chances (20% or less
probabilities) by late week, I am holding off adding this to my forecast here
until I have a little more confidence given the very dry streak that we’re in at
this point.
Given that, as we continue to see drought conditions worsen over the area and
vegetation continues to dry out, wildfire danger continues to slowly increase over
our area. So far, winds have been relatively light so the danger has been limited.
As we wrap up summer in September and head into the fall months, this danger
will likely continue to get worse assuming no precipitation (which I’m not seeing
in longer range climate outlooks). Another thing we need to monitor are early
fall season cold fronts and any stronger northerly winds that occur with their
passage. As I mention, I do not see either of these things happening at this point,
but I will continue to monitor things closely. Burns bans have been posted for our
IH35 counties so I would strongly discourage any outdoor burning.
LOCAL FORECAST CONFIDENCE FOR THIS SEVEN DAY FORECAST PERIOD …
– A very high forecast confidence through next Sunday.
—
Troy’s Weather Forecast for Austin, South Central Texas and the IH35 Corridor
… Extreme Heat Warning in Effect Until 7pm Wednesday …
MONDAY (24Aug)….
Mostly sunny.
Afternoon high around 105.
Maximum afternoon maximum heat stress (HI) index 107 F.
Maximum afternoon wet bulb globe temperature (WBGT) 88 F.
South southwesterly wind 5 to 10 mph.
MONDAY NIGHT….
Mostly clear.
Overnight low in the upper 70s to around 80.
Southerly wind 5 to 10 mph.
TUESDAY (25Aug)….
Mostly sunny.
Afternoon high around 105.
Maximum afternoon maximum heat stress (HI) index 107 F.
Maximum afternoon wet bulb globe temperature (WBGT) 88 F.
South southwesterly wind 5 to 12 mph.
TUESDAY NIGHT….
Mostly clear.
Overnight low in the upper 70s to around 80.
Southerly wind 5 to 10 mph.
WEDNESDAY (26Aug)….
Mostly sunny.
Afternoon high around 103.
Maximum afternoon maximum heat stress (HI) index 109 F.
Maximum afternoon wet bulb globe temperature (WBGT) 89 F.
South southwesterly wind 5 to 12 mph with a few higher afternoon gusts.
WEDNESDAY NIGHT….
Mostly clear.
Overnight low in the upper 70s to around 80.
Southerly wind 5 to 10 mph.
THURSDAY (27Aug)….
Mostly sunny.
Afternoon high around 104.
Maximum afternoon maximum heat stress (HI) index 109 F.
Maximum afternoon wet bulb globe temperature (WBGT) 89 F.
South southwesterly wind 5 to 12 mph.
THURSDAY NIGHT….
Mostly clear.
Overnight low in the upper 70s to around 80.
Southerly wind 5 to 10 mph.
FRIDAY (28Aug)….
Mostly sunny.
Afternoon high around 104.
Maximum afternoon maximum heat stress (HI) index 107 F.
Maximum afternoon wet bulb globe temperature (WBGT) 88 F.
South southwesterly wind 5 to 12 mph.
FRIDAY NIGHT….
Mostly clear.
Overnight low in the upper 70s to around 80.
Southerly wind 5 to 10 mph.
SATURDAY (29Aug)….
Mostly sunny.
Afternoon high around 104.
Maximum afternoon maximum heat stress (HI) index 109 F.
Maximum afternoon wet bulb globe temperature (WBGT) 89 F.
South southwesterly wind 5 to 12 mph with a few higher afternoon gusts.
SATURDAY NIGHT….
Mostly clear.
Overnight low in the upper 70s to around 80.
Southerly wind 5 to 10 mph.
SUNDAY (30Aug)….
Mostly sunny.
Afternoon high around 103.
Maximum afternoon maximum heat stress (HI) index 106 F.
Maximum afternoon wet bulb globe temperature (WBGT) 88 F.
South southwesterly wind 5 to 12 mph.
NATIONAL WEATHER SERVICE / CLIMATE PREDICTION CENTER (CPC)
8 TO 14 DAY OUTLOOK
Valid Monday / 31 August 2026 through Sunday / 06 September 2026
Temperature… Better Chances of Above Normal
Precipitation… Better Chances of Below Normal
NATIONAL WEATHER SERVICE / CLIMATE PREDICTION CENTER (CPC)
3 TO 4 WEEK OUTLOOK (Updated on Friday / 14 August 2026)
Valid Saturday / 05 September 2026 through Friday / 18 September 2026
Temperatures… Better Chances of Above Normal
Precipitation.. Better Chances of Near Normal