Rio Grande at Falcon Lake
21 mi- Level
- 261 ft
Reading from Sat 12:45 PM · NWS gauge page
Observed 1:15 PM CDT at KAPY
Siesta Shores, TX weather
Overcast and 86°30°.
Today: low 73°23° (likely 67°19° to 73°23°), high 90°32° (likely 86°30° to 90°32°).
Now 86°30°
Cloudy
- Wind
- 10 mph17 km/hgusts 16 mph26 km/h
- From the south-southeast. Gusts to 30 mph48 km/h around 9 PM
- Dew point
- 62°16°
- Sticky
- UV index
- 7High
- High until 4 PM
- Pressure
- 30.11 inHg1020 hPa
- Falling · −0.06 inHg−2.1 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
About the same as this time yesterday (86°30° then, 87°30° now)
Good hours for
This afternoonNear 87°31° · rain chance 20% · Partly cloudy
TonightDown to 74°23° by 4 AM · rain chance 20% · gusts to 30 mph48 km/h · Mostly cloudy
Tomorrow morningUp to 81°27° by 11 AM · Cloudy
Tomorrow afternoonNear 83°28° · Cloudy
Tomorrow nightDown to 71°22° by 5 AM · Mostly cloudy
Monday morningUp to 79°26° by 11 AM · Partly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 2p | Partly sunny | 86°30° (likely 85°29° to 87°31°) | 87°31° | 5% | 12 mph19 km/h from SE, gusts 21 mph33 km/h | 44% | 38% | 7 |
| Sat 3p | Partly sunny | 88°31° (likely 86°30° to 88°31°) | 89°32° | 10% | 12 mph19 km/h from SE, gusts 20 mph32 km/h | 40% | 28% | 6 |
| Sat 4p | Partly sunny | 88°31° (likely 86°30° to 88°31°) | 88°31° | 10% | 10 mph16 km/h from SE, gusts 20 mph32 km/h | 41% | 30% | 5 |
| Sat 5p | Showers | 87°31° (likely 83°28° to 88°31°) | 88°31° | 20% | 12 mph19 km/h from ESE, gusts 20 mph32 km/h | 43% | 27% | 1 |
| Sat 6p | Showers | 86°30° (likely 82°28° to 86°30°) | 86°30° | 20% | 13 mph21 km/h from ESE, gusts 23 mph38 km/h | 45% | 39% | 1 |
| Sat 7p | Mostly clear | 83°28° (likely 78°26° to 83°28°) | 84°29° | 5% | 13 mph21 km/h from ESE, gusts 26 mph42 km/h | 54% | 46% | 0 |
| Sat 8p | Cloudy | 80°27° (likely 77°25° to 80°27°) | 82°28° | 5% | 13 mph21 km/h from ESE, gusts 27 mph43 km/h | 62% | 69% | 0 |
| Sat 9p | Cloudy | 79°26° (likely 77°25° to 79°26°) | 81°27° | 0% | 13 mph21 km/h from ESE, gusts 30 mph48 km/h | 65% | 82% | 0 |
| Sat 10p | Cloudy | 79°26° (likely 76°24° to 79°26°) | 79°26° | 5% | 12 mph19 km/h from ESE, gusts 26 mph41 km/h | 67% | 77% | 0 |
| Sat 11p | Mostly cloudy | 78°26° (likely 75°24° to 78°26°) | 78°26° | 0% | 10 mph16 km/h from ESE, gusts 27 mph44 km/h | 69% | 77% | 0 |
| Sun 12a | Cloudy | 77°25° (likely 74°23° to 77°25°) | 77°25° | 0% | 10 mph16 km/h from ESE, gusts 25 mph40 km/h | 71% | 87% | 0 |
| Sun 1a | Cloudy | 76°24° (likely 73°23° to 76°24°) | 76°24° | 0% | 9 mph14 km/h from ESE, gusts 24 mph38 km/h | 73% | 92% | 0 |
| Sun 2a | Cloudy | 76°24° (likely 72°22° to 76°24°) | 76°24° | 0% | 9 mph14 km/h from ESE, gusts 21 mph34 km/h | 74% | 94% | 0 |
| Sun 3a | Cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 9 mph14 km/h from ESE, gusts 20 mph32 km/h | 74% | 91% | 0 |
| Sun 4a | Cloudy | 74°23° (likely 71°22° to 74°23°) | 75°24° | 0% | 9 mph14 km/h from ESE, gusts 16 mph26 km/h | 75% | 93% | 0 |
| Sun 5a | Cloudy | 74°23° (likely 71°22° to 74°23°) | 74°23° | 0% | 9 mph14 km/h from ESE, gusts 17 mph27 km/h | 75% | 96% | 0 |
| Sun 6a | Cloudy | 74°23° (likely 70°21° to 74°23°) | 74°23° | 0% | 8 mph13 km/h from ESE, gusts 16 mph26 km/h | 76% | 99% | 0 |
| Sun 7a | Cloudy | 73°23° (likely 70°21° to 74°23°) | 73°23° | 0% | 8 mph13 km/h from E, gusts 15 mph23 km/h | 77% | 95% | 0 |
| Sun 8a | Cloudy | 74°23° (likely 69°21° to 74°23°) | 74°23° | 0% | 8 mph13 km/h from E, gusts 14 mph22 km/h | 76% | 94% | 0 |
| Sun 9a | Cloudy | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 7 mph11 km/h from ESE, gusts 17 mph27 km/h | 73% | 96% | 1 |
| Sun 10a | Cloudy | 79°26° (likely 75°24° to 79°26°) | 79°26° | 0% | 8 mph13 km/h from ESE, gusts 17 mph28 km/h | 62% | 97% | 2 |
| Sun 11a | Cloudy | 81°27° (likely 78°26° to 81°27°) | 82°28° | 0% | 9 mph14 km/h from ESE, gusts 19 mph30 km/h | 54% | 98% | 3 |
| Sun 12p | Cloudy | 82°28° (likely 80°27° to 82°28°) | 83°28° | 0% | 10 mph16 km/h from ESE, gusts 18 mph29 km/h | 50% | 96% | 3 |
| Sun 1p | Cloudy | 85°29° (likely 81°27° to 85°29°) | 85°29° | 5% | 10 mph16 km/h from ESE, gusts 19 mph30 km/h | 44% | 99% | 4 |
| Sun 2p | Cloudy | 83°28° (likely 82°28° to 84°29°) | 84°29° | 5% | 10 mph16 km/h from ESE, gusts 18 mph29 km/h | 46% | 97% | 3 |
| Sun 3p | Cloudy | 84°29° (likely 83°28° to 84°29°) | 84°29° | 5% | 9 mph14 km/h from ESE, gusts 17 mph27 km/h | 43% | 98% | 3 |
| Sun 4p | Cloudy | 84°29° (likely 83°28° to 84°29°) | 84°29° | 5% | 9 mph14 km/h from ESE, gusts 17 mph27 km/h | 43% | 98% | 1 |
| Sun 5p | Cloudy | 84°29° (likely 82°28° to 84°29°) | 84°29° | 5% | 9 mph14 km/h from ESE, gusts 17 mph27 km/h | 44% | 98% | 1 |
| Sun 6p | Cloudy | 83°28° (likely 81°27° to 83°28°) | 83°28° | 5% | 9 mph14 km/h from ESE, gusts 17 mph27 km/h | 45% | 99% | 0 |
| Sun 7p | Cloudy | 82°28° (likely 79°26° to 82°28°) | 83°28° | 5% | 10 mph16 km/h from ESE, gusts 18 mph29 km/h | 47% | 96% | 0 |
| Sun 8p | Cloudy | 80°27° (likely 78°26° to 80°27°) | 81°27° | 5% | 10 mph16 km/h from ESE, gusts 18 mph30 km/h | 54% | 97% | 0 |
| Sun 9p | Cloudy | 78°26° (likely 75°24° to 78°26°) | 79°26° | 5% | 10 mph16 km/h from ESE, gusts 21 mph34 km/h | 61% | 97% | 0 |
| Sun 10p | Cloudy | 78°26° (likely 74°23° to 78°26°) | 78°26° | 5% | 8 mph13 km/h from ESE, gusts 20 mph33 km/h | 64% | 91% | 0 |
| Sun 11p | Cloudy | 76°24° (likely 74°23° to 76°24°) | 77°25° | 5% | 7 mph11 km/h from ESE, gusts 19 mph31 km/h | 68% | 96% | 0 |
| Mon 12a | Cloudy | 75°24° (likely 74°23° to 75°24°) | 75°24° | 0% | 7 mph11 km/h from ESE, gusts 19 mph31 km/h | 71% | 79% | 0 |
| Mon 1a | Cloudy | 74°23° (likely 73°23° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from ESE, gusts 18 mph28 km/h | 74% | 84% | 0 |
| Mon 2a | Cloudy | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 6 mph10 km/h from ESE, gusts 15 mph24 km/h | 76% | 74% | 0 |
| Mon 3a | Mostly cloudy | 72°22° (likely 71°22° to 73°23°) | 72°22° | 0% | 6 mph10 km/h from ESE, gusts 15 mph24 km/h | 78% | 64% | 0 |
| Mon 4a | Cloudy | 72°22° (likely 70°21° to 72°22°) | 72°22° | 0% | 6 mph10 km/h from E, gusts 11 mph18 km/h | 78% | 68% | 0 |
| Mon 5a | Partly cloudy | 71°22° (likely 69°21° to 71°22°) | 71°22° | 0% | 5 mph8 km/h from E, gusts 11 mph17 km/h | 81% | 66% | 0 |
| Mon 6a | Cloudy | 70°21° (likely 68°20° to 71°22°) | 71°22° | 0% | 5 mph8 km/h from E, gusts 12 mph19 km/h | 82% | 72% | 0 |
| Mon 7a | Partly cloudy | 70°21° (likely 68°20° to 71°22°) | 71°22° | 0% | 3 mph5 km/h from E, gusts 12 mph19 km/h | 82% | 60% | 0 |
| Mon 8a | Partly sunny | 71°22° (likely 66°19° to 72°22°) | 71°22° | 0% | 3 mph5 km/h from E, gusts 11 mph17 km/h | 82% | 58% | 0 |
| Mon 9a | Partly sunny | 73°23° (likely 69°21° to 74°23°) | 73°23° | 0% | 3 mph5 km/h from E, gusts 10 mph17 km/h | 75% | 45% | 1 |
| Mon 10a | Mostly sunny | 76°24° (likely 75°24° to 76°24°) | 76°24° | 0% | 3 mph5 km/h from E, gusts 12 mph19 km/h | 65% | 46% | 2 |
| Mon 11a | Partly sunny | 79°26° (likely 78°26° to 79°26°) | 81°27° | 0% | 3 mph5 km/h from ESE, gusts 12 mph19 km/h | 56% | 43% | 4 |
| Mon 12p | Partly sunny | 82°28° (likely 81°27° to 82°28°) | 82°28° | 0% | 5 mph8 km/h from ESE, gusts 11 mph18 km/h | 48% | 43% | 5 |
| Mon 1p | Partly sunny | 84°29° (likely 83°28° to 84°29°) | 83°28° | 0% | 5 mph8 km/h from ESE, gusts 11 mph18 km/h | 41% | 43% | 6 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Drizzle. High 90°32°, low 73°23°. Rain 0.01 in0.3 mm, 20% chance. Forecasts agree.
Afternoon
noon–6 PM
Partly sunny, 88°31°Dry
Evening
6 PM–midnight
Cloudy, 80°27°Dry
Overnight
midnight–6 AM
Cloudy, 74°23°Dry
Official NWS forecast
Today: A slight chance of rain showers after 5pm. Mostly sunny, with a high near 90. Southeast wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight: A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 73. East southeast wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 86°30°–90°32°
- Low, likely
- 67°19°–73°23°
- Wind
- 21 mph34 km/h, gusts 36 mph58 km/h
- UV peak
- 7
Tomorrow, Oct 25. Cloudy. High 86°30°, low 70°21°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 74°23°Dry
Afternoon
noon–6 PM
Cloudy, 85°29°Dry
Evening
6 PM–midnight
Cloudy, 80°27°Dry
Overnight
midnight–6 AM
Mostly cloudy, 71°22°Dry
Official NWS forecast
Day: Cloudy, with a high near 86. East southeast wind 7 to 10 mph.
Night: Mostly cloudy, with a low around 70. East southeast wind 5 to 10 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 83°28°–86°30°
- Low, likely
- 69°21°–74°23°
- Wind
- 17 mph28 km/h, gusts 28 mph44 km/h
- UV peak
- 4
Monday, Oct 26. Partly sunny. High 88°31°, low 71°22°. Dry. Forecasts agree.
Morning
6 AM–noon
Partly sunny, 71°22°Dry
Afternoon
noon–6 PM
Mostly sunny, 86°30°Dry
Evening
6 PM–midnight
Cloudy, 80°26°Dry
Overnight
midnight–6 AM
Cloudy, 71°22°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 88. East southeast wind around 5 mph.
Night: Mostly cloudy, with a low around 71. East southeast wind 2 to 7 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 85°29°–88°31°
- Low, likely
- 67°19°–71°22°
- Wind
- 16 mph26 km/h, gusts 25 mph40 km/h
- UV peak
- 6
Tuesday, Oct 27. Mostly cloudy. High 87°31°, low 72°22°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 71°22°Dry
Afternoon
noon–6 PM
Partly sunny, 84°29°Dry
Evening
6 PM–midnight
Clear, 78°26°Dry
Overnight
midnight–6 AM
Mostly clear, 71°22°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 87. East southeast wind 1 to 5 mph.
Night: Partly cloudy, with a low around 72. East southeast wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 83°28°–87°31°
- Low, likely
- 69°21°–72°22°
- Wind
- 20 mph32 km/h, gusts 30 mph49 km/h
- UV peak
- 6
Wednesday, Oct 28. Partly sunny. High 88°31°, low 72°22°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 72°22°Dry
Afternoon
noon–6 PM
Mostly sunny, 86°30°Dry
Evening
6 PM–midnight
Cloudy, 82°28°Dry
Overnight
midnight–6 AM
Cloudy, 73°23°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 88. East southeast wind 2 to 6 mph.
Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 72. East southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 84°29°–88°31°
- Low, likely
- 70°21°–72°22°
- Wind
- 20 mph32 km/h, gusts 27 mph43 km/h
- UV peak
- 5
Thursday, Oct 29. Showers. High 86°30°, low 71°22°. Rain 0.16 in4.1 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 73°23°20% chance
Afternoon
noon–6 PM
Drizzle, 82°28°30% chance · 0.04 in1.1 mm
Evening
6 PM–midnight
Rain, 76°24°40% chance · 0.04 in1.1 mm
Overnight
midnight–6 AM
Rain, 72°22°40% chance · 0.11 in2.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind 3 to 7 mph. Chance of precipitation is 40%.
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
- 78°26°–86°30°
- Low, likely
- 71°22°–73°23°
- Wind
- 20 mph32 km/h, gusts 26 mph42 km/h
- UV peak
- 4
Friday, Oct 30. Showers. High 87°31°, low 72°22°. Rain 0.18 in4.6 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 73°23°30% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
Drizzle, 81°27°Dry
Evening
6 PM–midnight
Partly cloudy, 79°26°Dry
Overnight
midnight–6 AM
Clear, 73°23°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 72.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 79°26°–87°31°
- Low, likely
- 71°22°–72°22°
- Wind
- 19 mph30 km/h, gusts 27 mph43 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 87°31°, low 73°23°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 74°24°Dry
Afternoon
noon–6 PM
Cloudy, 86°30°Dry
Evening
6 PM–midnight
Clear, 82°28°Dry
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 85°29°–90°32°
- Low, likely
- 72°22°–74°23°
- Wind
- 19 mph30 km/h, gusts 28 mph45 km/h
- UV peak
- 4
Sunday, Nov 1. Sunny. High 89°32°, low 74°23°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 75°24°Dry
Afternoon
noon–6 PM
Sunny, 89°31°Dry
Evening
6 PM–midnight
Clear, 85°29°Dry
Overnight
midnight–6 AM
Clear, 74°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 86°30°–91°33°
- Low, likely
- 73°23°–75°24°
- Wind
- 15 mph25 km/h, gusts 29 mph47 km/h
- UV peak
- 6
Monday, Nov 2. Drizzle. High 86°30°, low 72°22°. Rain 0.02 in0.5 mm, 10% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 79°26°Dry
Afternoon
noon–6 PM
Partly sunny, 85°30°Dry
Evening
6 PM–midnight
Clear, 77°25°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
- 79°26°–89°32°
- Low, likely
- 66°19°–75°24°
- Wind
- 22 mph36 km/h, gusts 31 mph50 km/h
- UV peak
- 4
The outlook
Today
Dry, high 90°, low 73°.
Tomorrow
Dry, high 86°, low 70°, cooling off.
Monday
Dry, high 88°, low 71°.
Rest of week
Highs 86–89°; 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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Rio Grande Below Falcon Reservoir
21 mi- Level
- 1.1 ft
- Flow
- 4 cfs
Reading from Sat 12:45 PM · NWS gauge page
Sun & moon
Sun
Sunrise 7:41 AM, sunset 7:00 PM.
- Daylight
- 11 h 18 min
- Losing 1 min 29 s a day; shortest Dec 21, 51 min less
- Golden hour
- 6:28–7:14 PM
- Morning 7:27–8:13 AM
- Blue hour
- 7:14–7:23 PM
- Morning 7:18–7:27 AM; first light 7:18 AM
Stars tonight? Poor
Clouds most of the night (about 85% cover).
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 6:04 AM · rises 5:55 PM
- Full moon
- Oct 25
- New moon
- Nov 9
