Observed 3:35 PM CDT at KTXW

South Alamo, TX weather

Mostly cloudy and 89°31°.

Forecasts agree

Now 89°31°

Mostly cloudy

Wind: 14 mph22 km/hgusts 21 mph33 km/h; From the east-southeast. 610–14 mph22 km/h through 4 AM
Dew point: 65°18°; Sticky
UV index: 4Moderate; Moderate until 5 PM · peak 5
Pressure: 30.07 inHg1018 hPa; Falling slowly · −0.04 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 72°22° tonight at 5 AM
High 86°30° tomorrow at 1 PM
Below 80°27° tomorrow night after 8 PM

This afternoonNear 85°29° · rain chance 20% · Mostly cloudy
TonightDown to 72°22° by 5 AM · Mostly cloudy
Tomorrow morningUp to 82°28° by 11 AM · Cloudy
Tomorrow afternoonNear 83°28° · rain chance 10% · Cloudy
Tomorrow nightDown to 69°21° by 5 AM · Cloudy
Monday morningUp to 80°27° by 11 AM · Mostly cloudy
Monday afternoonUp to 87°31° by 2 PM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 4p	Cloudy	85°29° (likely 83°28° to 86°30°)	89°32°	20%	14 mph23 km/h from SE, gusts 20 mph33 km/h	57%	76%	4
Sat 5p	Partly sunny	84°29° (likely 82°28° to 86°30°)	88°31°	5%	13 mph21 km/h from ESE, gusts 21 mph34 km/h	60%	49%	2
Sat 6p	Partly sunny	83°28° (likely 80°27° to 84°29°)	86°30°	5%	13 mph21 km/h from ESE, gusts 23 mph38 km/h	62%	56%	1
Sat 7p	Partly cloudy	80°27° (likely 79°26° to 82°28°)	83°28°	0%	12 mph19 km/h from ESE, gusts 23 mph37 km/h	66%	64%	0
Sat 8p	Partly cloudy	79°26° (likely 78°26° to 79°26°)	79°26°	0%	10 mph16 km/h from ESE, gusts 22 mph35 km/h	69%	51%	0
Sat 9p	Mostly cloudy	77°25° (likely 77°25° to 77°25°)	77°25°	0%	9 mph14 km/h from ESE, gusts 17 mph28 km/h	73%	40%	0
Sat 10p	Cloudy	76°24° (likely 75°24° to 76°24°)	77°25°	0%	8 mph13 km/h from ESE, gusts 15 mph23 km/h	75%	83%	0
Sat 11p	Cloudy	76°24° (likely 74°23° to 76°24°)	76°24°	0%	8 mph13 km/h from ESE, gusts 14 mph22 km/h	77%	84%	0
Sun 12a	Cloudy	75°24° (likely 73°23° to 75°24°)	75°24°	0%	7 mph11 km/h from ESE, gusts 12 mph19 km/h	77%	87%	0
Sun 1a	Cloudy	75°24° (likely 72°22° to 75°24°)	75°24°	0%	7 mph11 km/h from ESE, gusts 11 mph18 km/h	77%	90%	0
Sun 2a	Cloudy	74°23° (likely 71°22° to 74°23°)	74°23°	0%	6 mph10 km/h from ESE, gusts 11 mph18 km/h	77%	92%	0
Sun 3a	Cloudy	73°23° (likely 70°21° to 74°23°)	73°23°	0%	7 mph11 km/h from ESE, gusts 10 mph16 km/h	78%	93%	0
Sun 4a	Cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	7 mph11 km/h from E, gusts 10 mph16 km/h	79%	92%	0
Sun 5a	Cloudy	72°22° (likely 69°21° to 73°23°)	73°23°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	78%	88%	0
Sun 6a	Cloudy	72°22° (likely 69°21° to 72°22°)	72°22°	0%	6 mph10 km/h from E, gusts 10 mph16 km/h	79%	88%	0
Sun 7a	Cloudy	72°22° (likely 69°21° to 72°22°)	72°22°	0%	6 mph10 km/h from E, gusts 10 mph17 km/h	80%	88%	0
Sun 8a	Cloudy	72°22° (likely 69°21° to 74°23°)	72°22°	0%	6 mph10 km/h from E, gusts 12 mph19 km/h	80%	86%	0
Sun 9a	Cloudy	75°24° (likely 73°23° to 77°25°)	75°24°	0%	6 mph10 km/h from E, gusts 11 mph18 km/h	77%	87%	1
Sun 10a	Cloudy	80°27° (likely 77°25° to 81°27°)	82°28°	0%	7 mph11 km/h from E, gusts 13 mph21 km/h	67%	91%	2
Sun 11a	Cloudy	82°28° (likely 80°27° to 82°28°)	84°29°	5%	12 mph19 km/h from ESE, gusts 15 mph25 km/h	60%	98%	3
Sun 12p	Cloudy	84°29° (likely 82°28° to 84°29°)	86°30°	5%	12 mph19 km/h from ESE, gusts 16 mph26 km/h	56%	88%	5
Sun 1p	Cloudy	86°30° (likely 84°29° to 86°30°)	88°31°	10%	12 mph19 km/h from ESE, gusts 15 mph24 km/h	51%	86%	5
Sun 2p	Cloudy	85°29° (likely 84°29° to 86°30°)	87°31°	10%	10 mph16 km/h from ESE, gusts 14 mph22 km/h	51%	99%	3
Sun 3p	Cloudy	85°29° (likely 84°29° to 86°30°)	86°30°	10%	10 mph16 km/h from E, gusts 16 mph25 km/h	51%	98%	3
Sun 4p	Cloudy	84°29° (likely 83°28° to 84°29°)	86°30°	10%	10 mph16 km/h from ESE, gusts 16 mph26 km/h	52%	100%	2
Sun 5p	Cloudy	82°28° (likely 82°28° to 83°28°)	84°29°	5%	10 mph16 km/h from ESE, gusts 18 mph30 km/h	56%	98%	1
Sun 6p	Cloudy	81°27° (likely 81°27° to 82°28°)	83°28°	5%	10 mph16 km/h from ESE, gusts 19 mph30 km/h	58%	99%	1
Sun 7p	Cloudy	80°27° (likely 79°26° to 80°27°)	82°28°	0%	9 mph14 km/h from E, gusts 18 mph29 km/h	60%	96%	0
Sun 8p	Cloudy	78°26° (likely 77°25° to 78°26°)	78°26°	0%	8 mph13 km/h from E, gusts 19 mph30 km/h	65%	99%	0
Sun 9p	Cloudy	76°24° (likely 76°24° to 76°24°)	77°25°	0%	6 mph10 km/h from E, gusts 16 mph25 km/h	69%	95%	0
Sun 10p	Cloudy	75°24° (likely 74°23° to 75°24°)	75°24°	0%	5 mph8 km/h from E, gusts 14 mph22 km/h	74%	94%	0
Sun 11p	Cloudy	74°23° (likely 73°23° to 74°23°)	74°23°	0%	5 mph8 km/h from E, gusts 13 mph21 km/h	78%	89%	0
Mon 12a	Partly cloudy	74°23° (likely 72°22° to 74°23°)	74°23°	0%	3 mph5 km/h from E, gusts 11 mph17 km/h	78%	89%	0
Mon 1a	Cloudy	72°22° (likely 71°22° to 73°23°)	72°22°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	80%	94%	0
Mon 2a	Cloudy	72°22° (likely 70°21° to 72°22°)	72°22°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	81%	92%	0
Mon 3a	Cloudy	70°21° (likely 69°21° to 72°22°)	70°21°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	84%	87%	0
Mon 4a	Mostly clear	70°21° (likely 68°20° to 71°22°)	70°21°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	84%	55%	0
Mon 5a	Cloudy	69°21° (likely 67°19° to 70°21°)	69°21°	0%	2 mph3 km/h from ENE, gusts 6 mph10 km/h	84%	83%	0
Mon 6a	Mostly clear	68°20° (likely 66°19° to 70°21°)	68°20°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	87%	76%	0
Mon 7a	Cloudy	68°20° (likely 65°18° to 69°21°)	68°20°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	86%	76%	0
Mon 8a	Sunny	69°21° (likely 65°18° to 70°21°)	69°21°	0%	2 mph3 km/h from NNE, gusts 5 mph9 km/h	87%	62%	0
Mon 9a	Mostly sunny	72°22° (likely 67°19° to 74°23°)	72°22°	0%	2 mph3 km/h from NE, gusts 5 mph9 km/h	79%	59%	1
Mon 10a	Cloudy	77°25° (likely 73°23° to 78°26°)	77°25°	0%	3 mph5 km/h from NE, gusts 7 mph11 km/h	69%	59%	2
Mon 11a	Partly sunny	80°27° (likely 78°26° to 81°27°)	82°28°	0%	5 mph8 km/h from ENE, gusts 7 mph12 km/h	60%	53%	4
Mon 12p	Partly sunny	83°28° (likely 81°27° to 84°29°)	85°29°	0%	5 mph8 km/h from ENE, gusts 7 mph12 km/h	53%	65%	5
Mon 1p	Cloudy	86°30° (likely 83°28° to 86°30°)	87°31°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	48%	76%	6
Mon 2p	Partly sunny	87°31° (likely 81°27° to 87°31°)	88°31°	0%	6 mph10 km/h from E, gusts 11 mph17 km/h	45%	60%	7
Mon 3p	Partly sunny	87°31° (likely 77°25° to 87°31°)	88°31°	0%	7 mph11 km/h from E, gusts 12 mph19 km/h	44%	66%	6

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 88°31°, low 71°22°. Typical 88°31° / 66°19°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Partly sunny, 85°29°
  Dry
2. Evening
  6 PM–midnight
  Mostly cloudy, 79°26°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 72°22°
  Dry
Official NWS forecast
Today: A slight chance of rain showers before 5pm. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. Southeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight: Mostly cloudy, with a low around 71. East wind 6 to 13 mph, with gusts as high as 25 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
87°31°–88°31°
Low, likely
66°19°–71°22°
Typical high / low
88°31° / 66°19°
Wind
17 mph27 km/h, gusts 28 mph45 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 87°31°, low 68°20°. Typical 87°31° / 66°19°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 72°22°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 86°30°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 78°26°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 69°21°
  Dry
Official NWS forecast
Day: Mostly cloudy. High near 87, with temperatures falling to around 82 in the afternoon. East wind 6 to 12 mph, with gusts as high as 21 mph.
Night: Mostly cloudy, with a low around 68. East wind 2 to 10 mph, with gusts as high as 21 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
84°29°–87°31°
Low, likely
68°20°–72°22°
Typical high / low
87°31° / 66°19°
Wind
15 mph23 km/h, gusts 24 mph38 km/h
UV peak
5
Monday, Oct 26. Cloudy. High 88°31°, low 70°21°. Typical 87°31° / 66°19°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 69°21°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 87°31°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 76°25°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 71°22°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 88. East northeast wind 2 to 8 mph.
Night: Mostly cloudy, with a low around 70. East wind 2 to 9 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
84°29°–88°31°
Low, likely
65°18°–70°21°
Typical high / low
87°31° / 66°19°
Wind
15 mph23 km/h, gusts 20 mph32 km/h
UV peak
7
Tuesday, Oct 27. Thunderstorms. High 87°31°, low 70°21°. Typical 86°30° / 66°19°. Storms 0.12 in3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 71°22°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 84°29°
  40% chance · 0.05 in1.4 mm
3. Evening
  6 PM–midnight
  Clear, 77°25°
  40% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Partly cloudy, 72°22°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. East southeast wind 2 to 8 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. East southeast wind 2 to 8 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
82°28°–87°31°
Low, likely
69°21°–72°22°
Typical high / low
86°30° / 66°19°
Wind
16 mph25 km/h, gusts 21 mph34 km/h
UV peak
6
Wednesday, Oct 28. Partly sunny. High 88°31°, low 71°22°. Typical 86°30° / 65°18°. Rain 0.03 in0.8 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 72°22°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 88°31°
  40% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Cloudy, 79°26°
  40% chance
4. Overnight
  midnight–6 AM
  Cloudy, 73°23°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. East southeast wind 2 to 9 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 71. East wind 3 to 9 mph. Chance of precipitation is 30%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
86°30°–89°32°
Low, likely
70°21°–72°22°
Typical high / low
86°30° / 65°18°
Wind
15 mph24 km/h
UV peak
6
Thursday, Oct 29. Thunderstorms. High 86°30°, low 71°22°. Typical 86°30° / 65°18°. Storms 0.52 in13 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 74°23°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 79°26°
  40% chance · 0.32 in8.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 75°24°
  40% chance · 0.07 in1.7 mm
4. Overnight
  midnight–6 AM
  Cloudy, 72°22°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind 3 to 10 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
77°25°–86°30°
Low, likely
70°21°–73°23°
Typical high / low
86°30° / 65°18°
Wind
16 mph25 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Showers. High 88°31°, low 71°22°. Typical 86°30° / 65°18°. Rain 0.06 in1.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 73°23°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 84°29°
  Dry
3. Evening
  6 PM–midnight
  Clear, 78°26°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 73°23°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Night: Partly cloudy, with a low around 71.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
83°28°–88°31°
Low, likely
69°21°–73°23°
Typical high / low
86°30° / 65°18°
Wind
15 mph24 km/h, gusts 21 mph33 km/h
UV peak
5
Saturday, Oct 31. Partly sunny. High 88°31°, low 72°22°. Typical 85°29° / 64°18°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 75°24°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 89°31°
  Dry
3. Evening
  6 PM–midnight
  Clear, 80°27°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 74°23°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
87°31°–89°32°
Low, likely
71°22°–74°23°
Typical high / low
85°29° / 64°18°
Wind
15 mph24 km/h, gusts 20 mph32 km/h
UV peak
6
Sunday, Nov 1. Sunny. High 90°32°, low 74°23°. Typical 85°29° / 64°18°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 75°24°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 89°32°
  Dry
3. Evening
  6 PM–midnight
  Clear, 82°28°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 75°24°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
89°32°–90°32°
Low, likely
73°23°–75°24°
Typical high / low
85°29° / 64°18°
Wind
13 mph20 km/h, gusts 24 mph38 km/h
UV peak
6
Monday, Nov 2. Partly sunny. High 88°31°, low 73°23°. Typical 84°29° / 64°18°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 79°26°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 87°31°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 76°24°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
81°27°–91°33°
Low, likely
68°20°–76°24°
Typical high / low
84°29° / 64°18°
Wind
21 mph33 km/h, gusts 31 mph49 km/h
UV peak
6

10 days15 days30 days

The outlook

Today
Dry, high 88°, low 71°.
Tomorrow
Dry, high 87°, low 68°.
Monday
Dry, high 88°, low 70°.
Rest of week
Highs 86–90°; chance of precipitation on Thursday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (BRO) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Main Floodway South of Weslaco

7.0 mi

Level: 52.8 ft
Flow: 97 cfs

Reading from Sat 2:15 PM · NWS gauge page

North Floodway at Llano Grande

11 mi

Level: 52.5 ft

Reading from Sat 3 PM · NWS gauge page

Rio Grande Near Progreso Bridge

12 mi

Level: 56.9 ft
Flow: 334 cfs

Reading from Sat 2:15 PM · NWS gauge page

Arroyo Colorado South of Mercedes

12 mi

Level: 0.5 ft
Flow: 86 cfs

Reading from Sat 3:15 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

About 69% less cooling than a typical week.

This week 24Typical 78

Cooling degree days, base 65°F

Comfort

Sticky, humid air (dew point 65°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Mcallen Miller International Airport · official normals 1991–2020 · records 1941–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 1° colder than normal (daily mean temperature).

−11°−6°SunOct 18
−3°−2°MonOct 19
+3°+1°TueOct 20
+1°WedOct 21
+3°+2°ThuOct 22
+3°+1°FriOct 23
—SatOct 24

South Alamo weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 20 min; Losing 1 min 29 s a day; shortest Dec 21, 50 min less
Golden hour: 6:24–7:10 PM; Morning 7:22–8:08 AM
Blue hour: 7:10–7:19 PM; Morning 7:13–7:22 AM; first light 7:13 AM

Stars tonight? Poor

Clouds most of the night (about 80% cover).

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:59 AM · rises 5:51 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from South Alamo. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.