Marine Weather and Tide Forecast for Giddings, TX
 | Sunrise 6:28 AM Sunset 8:15 PM Moonrise 11:58 PM Moonset 9:20 AM |
7 Day Forecast for Marine Location Near Giddings, TX
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Area Discussion for Austin/San Antonio, TX
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FXUS64 KEWX 171058 AFDEWX
Area Forecast Discussion National Weather Service Austin/San Antonio TX 558 AM CDT Sat May 17 2025
New AVIATION
SHORT TERM
(Today through Sunday)
Issued at 1208 AM CDT Sat May 17 2025
Key Messages:
- Hot conditions continue today with elevated heat index values over portions of South Central Texas.
- Low to medium chances for isolated or widely scattered strong to severe thunderstorms this afternoon and evening.
Thunderstorm activity has ended early this morning with only some lingering light showers in the west associated with the decaying storms. Showers will end well before sunrise with dry conditions expected the rest of the morning. Overcast skies have begun to build over the area allowing for another morning of warm lows in the 70s to right around 80 degrees for some locations along the Rio Grande.
A few locations may also see patchy fog, mainly along and east of the I-35 corridor.
Not to sound like a broken record, but another hot day is in store for this afternoon. Highs will peak in the mid to upper 90s for most of the southern Edwards Plateau, Hill Country, I-35 corridor and coastal plains. Along the Rio Grande, highs will likely be in the triple digits from around 100 to 105 degrees. As with previous days, dewpoints remain elevated allowing for heat indices from around 103- 107 over the I-35 corridor and coastal plains and up to 111 over the Rio Grande Plains. Opted to go without a Heat Advisory given the majority of locations look to stay below criteria, though would not be surprised if some isolated spots hit their thresholds. Heat safety measures should continue to be taken into early next week given the forecast.
Additionally, this afternoon and evening there are low to medium chances for strong to severe thunderstorms, mainly across the Rio Grande, southern Edwards Plateau and Hill Country. Storms are expected to form ahead of the dryline, but coverage could be isolated or widely scattered for our area with decent model uncertainty on exactly where they will form. That said, any storm that does form could quickly become severe with large to very large hail and damaging wind gusts the main hazards. Activity should drop off with the loss of heating with drier conditions expected overnight.
Lows tonight will depend on where storms form, but will generally be on the warm side again. Highs Sunday will be similar to those of today. Sunday afternoon should be mainly dry with only some low precipitation chances in the far northern Hill Country.
LONG TERM
(Sunday night through Friday)
Issued at 1208 AM CDT Sat May 17 2025
Key Messages:
- Record breaking heatwave and heat related impacts continues with additional temperature records likely being broken Monday and possibly Tuesday.
- Chances for showers and storms Tuesday with arrival of a cold front though confidence of timing and strength is low.
The early record breaking heat continues Monday though air temperatures start slowly decreasing but the feels like remains in the 100-110 degree range through Tuesday. Several weak disturbances move into the region thus possibly limiting just how high actual air temps can go due to the increased moisture and abundant cloud cover. However, the increased moisture could actually cause our heat indices to be even warmer then what we have currently forecast, definitely something to watch for. One of these disturbances will impact our area late monday night as a shortwave moving through the southern Plains looks to send the dry line back east into the Hill Country and I-35 corridor into Tuesday, with a cold front eventually overtaking it Tuesday night. Confidence continues to remain low as models generally have a difficult time with such small scale features. The best chances still look to be along and West of the I-35 Corridor.
Regarding temperatures the cold front mentioned prior could bring some temporary relief from the heat for Wednesday and Thursday, however confidence in the strength and position is low at this time.
Regardless, temperatures will remain well above normal through the end of the forecast period with high temperature records likely to be tied or broken through Tuesday. Towards the end of the long term, temperatures cool somewhat into the low 90s vs the upper 90s/100s that we previously have been seeing. Please make sure you and your loved ones have a way to stay cool during this early season heatwave.
Additional heat safety information and resources can be found at the following websites: www.heat.gov and www.weather.gov/safety/heat
AVIATION
(12Z TAFS)
Issued at 557 AM CDT Sat May 17 2025
MVFR ceilings have overspread much of the area this morning with a few locations as low as IFR. Patchy MVFR visibility is also noted mainly along and east of I-35, including KAUS. Ceilings improve to VFR late this morning or early afternoon across all of South Central Texas. Isolated to widely scattered storms are expected to initially develop in the afternoon and evening in Mexico extending northeast into the Hill Country. There is the highest confidence in KDRT seeing -TSRA in the afternoon. Lesser confidence is seen at I-35 terminals which will remain with PROB30 groups for this storm potential. Early Sunday morning, another round of MVFR ceilings are expected.
CLIMATE
Issued at 236 PM CDT Fri May 16 2025
RECORD MAX TEMPERATURES SATURDAY THROUGH TUESDAY (* TIED RECORD WITH MOST RECENT OCCURRENCE SHOWN)
SAT SUN MON TUE 05/17 05/18 05/19 05/20 ---------------------------------------------- AUS 97/2018 97/2022 97/2006 99/2008 ATT 99/2022 98/2022 98/2022* 101/2008 SAT 100/2022 101/2022 101/1989 100/1996 DRT 105/2013 107/2024 108/2020 105/1973
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 97 75 97 75 / 20 20 10 0 Austin Bergstrom Intl Airport 97 74 97 75 / 10 20 10 0 New Braunfels Muni Airport 98 75 98 75 / 10 20 0 0 Burnet Muni Airport 95 73 95 73 / 30 20 20 10 Del Rio Intl Airport 103 78 103 78 / 20 20 10 20 Georgetown Muni Airport 97 73 96 73 / 30 20 10 10 Hondo Muni Airport 99 73 100 74 / 10 20 0 10 San Marcos Muni Airport 99 74 97 74 / 10 20 0 0 La Grange - Fayette Regional 97 76 95 76 / 10 10 0 0 San Antonio Intl Airport 98 75 98 76 / 10 20 0 0 Stinson Muni Airport 100 76 99 76 / 10 20 0 0
EWX WATCHES/WARNINGS/ADVISORIES
None.
Area Forecast Discussion National Weather Service Austin/San Antonio TX 558 AM CDT Sat May 17 2025
New AVIATION
SHORT TERM
(Today through Sunday)
Issued at 1208 AM CDT Sat May 17 2025
Key Messages:
- Hot conditions continue today with elevated heat index values over portions of South Central Texas.
- Low to medium chances for isolated or widely scattered strong to severe thunderstorms this afternoon and evening.
Thunderstorm activity has ended early this morning with only some lingering light showers in the west associated with the decaying storms. Showers will end well before sunrise with dry conditions expected the rest of the morning. Overcast skies have begun to build over the area allowing for another morning of warm lows in the 70s to right around 80 degrees for some locations along the Rio Grande.
A few locations may also see patchy fog, mainly along and east of the I-35 corridor.
Not to sound like a broken record, but another hot day is in store for this afternoon. Highs will peak in the mid to upper 90s for most of the southern Edwards Plateau, Hill Country, I-35 corridor and coastal plains. Along the Rio Grande, highs will likely be in the triple digits from around 100 to 105 degrees. As with previous days, dewpoints remain elevated allowing for heat indices from around 103- 107 over the I-35 corridor and coastal plains and up to 111 over the Rio Grande Plains. Opted to go without a Heat Advisory given the majority of locations look to stay below criteria, though would not be surprised if some isolated spots hit their thresholds. Heat safety measures should continue to be taken into early next week given the forecast.
Additionally, this afternoon and evening there are low to medium chances for strong to severe thunderstorms, mainly across the Rio Grande, southern Edwards Plateau and Hill Country. Storms are expected to form ahead of the dryline, but coverage could be isolated or widely scattered for our area with decent model uncertainty on exactly where they will form. That said, any storm that does form could quickly become severe with large to very large hail and damaging wind gusts the main hazards. Activity should drop off with the loss of heating with drier conditions expected overnight.
Lows tonight will depend on where storms form, but will generally be on the warm side again. Highs Sunday will be similar to those of today. Sunday afternoon should be mainly dry with only some low precipitation chances in the far northern Hill Country.
LONG TERM
(Sunday night through Friday)
Issued at 1208 AM CDT Sat May 17 2025
Key Messages:
- Record breaking heatwave and heat related impacts continues with additional temperature records likely being broken Monday and possibly Tuesday.
- Chances for showers and storms Tuesday with arrival of a cold front though confidence of timing and strength is low.
The early record breaking heat continues Monday though air temperatures start slowly decreasing but the feels like remains in the 100-110 degree range through Tuesday. Several weak disturbances move into the region thus possibly limiting just how high actual air temps can go due to the increased moisture and abundant cloud cover. However, the increased moisture could actually cause our heat indices to be even warmer then what we have currently forecast, definitely something to watch for. One of these disturbances will impact our area late monday night as a shortwave moving through the southern Plains looks to send the dry line back east into the Hill Country and I-35 corridor into Tuesday, with a cold front eventually overtaking it Tuesday night. Confidence continues to remain low as models generally have a difficult time with such small scale features. The best chances still look to be along and West of the I-35 Corridor.
Regarding temperatures the cold front mentioned prior could bring some temporary relief from the heat for Wednesday and Thursday, however confidence in the strength and position is low at this time.
Regardless, temperatures will remain well above normal through the end of the forecast period with high temperature records likely to be tied or broken through Tuesday. Towards the end of the long term, temperatures cool somewhat into the low 90s vs the upper 90s/100s that we previously have been seeing. Please make sure you and your loved ones have a way to stay cool during this early season heatwave.
Additional heat safety information and resources can be found at the following websites: www.heat.gov and www.weather.gov/safety/heat
AVIATION
(12Z TAFS)
Issued at 557 AM CDT Sat May 17 2025
MVFR ceilings have overspread much of the area this morning with a few locations as low as IFR. Patchy MVFR visibility is also noted mainly along and east of I-35, including KAUS. Ceilings improve to VFR late this morning or early afternoon across all of South Central Texas. Isolated to widely scattered storms are expected to initially develop in the afternoon and evening in Mexico extending northeast into the Hill Country. There is the highest confidence in KDRT seeing -TSRA in the afternoon. Lesser confidence is seen at I-35 terminals which will remain with PROB30 groups for this storm potential. Early Sunday morning, another round of MVFR ceilings are expected.
CLIMATE
Issued at 236 PM CDT Fri May 16 2025
RECORD MAX TEMPERATURES SATURDAY THROUGH TUESDAY (* TIED RECORD WITH MOST RECENT OCCURRENCE SHOWN)
SAT SUN MON TUE 05/17 05/18 05/19 05/20 ---------------------------------------------- AUS 97/2018 97/2022 97/2006 99/2008 ATT 99/2022 98/2022 98/2022* 101/2008 SAT 100/2022 101/2022 101/1989 100/1996 DRT 105/2013 107/2024 108/2020 105/1973
PRELIMINARY POINT TEMPS/POPS
Austin Camp Mabry 97 75 97 75 / 20 20 10 0 Austin Bergstrom Intl Airport 97 74 97 75 / 10 20 10 0 New Braunfels Muni Airport 98 75 98 75 / 10 20 0 0 Burnet Muni Airport 95 73 95 73 / 30 20 20 10 Del Rio Intl Airport 103 78 103 78 / 20 20 10 20 Georgetown Muni Airport 97 73 96 73 / 30 20 10 10 Hondo Muni Airport 99 73 100 74 / 10 20 0 10 San Marcos Muni Airport 99 74 97 74 / 10 20 0 0 La Grange - Fayette Regional 97 76 95 76 / 10 10 0 0 San Antonio Intl Airport 98 75 98 76 / 10 20 0 0 Stinson Muni Airport 100 76 99 76 / 10 20 0 0
EWX WATCHES/WARNINGS/ADVISORIES
None.
Wind History for Manchester, TX
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Link to 1 hour of 5 minute data for KGYB
Terminal Aerodrome Forecast (TAF) for KGYB
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GEOS Local Image of southern planes -- texas
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