Observed 10:35 PM CDT at KF46

Seis Lagos, TX weather

Clear and 69°21°.

Forecasts agree

Now 69°21°

Clear

Wind: 7 mph11 km/h; From the southeast. 58–7 mph11 km/h through 11 AM
Dew point: 44°7°; Comfortable · up to 53°12° by 12 AM
UV tomorrow: 5Moderate; Moderate 11 AM–5 PM · peak 5
Air quality: 74Moderate; Main pollutant: Ozone
Pressure: 30.15 inHg1021 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° warmer than this time yesterday (65°18° then, 69°21° now)

Good hours for

Low 59°15° tomorrow at 6 AM
Above 70°21° tomorrow by 11 AM
High 84°29° tomorrow at 4 PM

TonightDown to 60°16° by 5 AM · Clear
Tomorrow morningUp to 73°23° by 11 AM · Clear
Tomorrow afternoonUp to 84°29° by 4 PM · Partly cloudy
Tomorrow nightDown to 63°17° by 4 AM · Mostly cloudy
Sunday morningUp to 73°23° by 11 AM · Mostly cloudy
Sunday afternoonUp to 81°27° by 3 PM · Cloudy

Hourly forecast, next 43 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 11p	Clear	66°19° (likely 61°16° to 68°20°)	66°19°	0%	5 mph8 km/h from ESE, gusts 8 mph13 km/h	63%	2%	0
Sat 12a	Clear	64°18° (likely 62°17° to 66°19°)	64°18°	0%	5 mph8 km/h from ESE, gusts 10 mph17 km/h	67%	0%	0
Sat 1a	Clear	63°17° (likely 61°16° to 65°18°)	63°17°	0%	5 mph8 km/h from ESE, gusts 10 mph16 km/h	67%	2%	0
Sat 2a	Clear	62°17° (likely 60°16° to 64°18°)	62°17°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	70%	5%	0
Sat 3a	Clear	62°17° (likely 59°15° to 63°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	70%	1%	0
Sat 4a	Clear	61°16° (likely 59°15° to 63°17°)	61°16°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	72%	1%	0
Sat 5a	Clear	60°16° (likely 58°14° to 62°17°)	60°16°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	75%	0%	0
Sat 6a	Clear	59°15° (likely 58°14° to 61°16°)	59°15°	0%	5 mph8 km/h from SE, gusts 6 mph9 km/h	78%	0%	0
Sat 7a	Clear	59°15° (likely 56°13° to 61°16°)	59°15°	0%	5 mph8 km/h from SE, gusts 6 mph9 km/h	78%	0%	0
Sat 8a	Sunny	59°15° (likely 55°13° to 61°16°)	59°15°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	80%	2%	0
Sat 9a	Sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	75%	5%	1
Sat 10a	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	5 mph8 km/h from SSE, gusts 9 mph14 km/h	63%	7%	2
Sat 11a	Partly sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SSE, gusts 9 mph15 km/h	57%	47%	3
Sat 12p	Mostly sunny	77°25° (likely 74°23° to 77°25°)	77°25°	0%	5 mph8 km/h from SSE, gusts 10 mph17 km/h	50%	59%	4
Sat 1p	Mostly sunny	81°27° (likely 77°25° to 81°27°)	81°27°	0%	10 mph16 km/h from S, gusts 12 mph20 km/h	44%	32%	5
Sat 2p	Mostly sunny	82°28° (likely 79°26° to 82°28°)	82°28°	0%	10 mph16 km/h from S, gusts 15 mph24 km/h	41%	58%	5
Sat 3p	Mostly sunny	83°28° (likely 80°27° to 83°28°)	82°28°	0%	10 mph16 km/h from S, gusts 14 mph22 km/h	40%	66%	5
Sat 4p	Cloudy	84°29° (likely 81°27° to 84°29°)	83°28°	0%	10 mph16 km/h from SSE, gusts 15 mph24 km/h	38%	61%	4
Sat 5p	Partly sunny	82°28° (likely 80°27° to 82°28°)	81°27°	0%	10 mph16 km/h from SSE, gusts 14 mph23 km/h	40%	53%	2
Sat 6p	Partly sunny	82°28° (likely 77°25° to 82°28°)	81°27°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	40%	49%	1
Sat 7p	Cloudy	78°26° (likely 72°22° to 78°26°)	78°26°	0%	5 mph8 km/h from SE, gusts 8 mph14 km/h	47%	59%	0
Sat 8p	Partly cloudy	73°23° (likely 70°21° to 73°23°)	73°23°	0%	5 mph8 km/h from SE, gusts 8 mph13 km/h	57%	65%	0
Sat 9p	Partly cloudy	70°21° (likely 68°20° to 72°22°)	70°21°	0%	5 mph8 km/h from SE, gusts 9 mph15 km/h	63%	79%	0
Sat 10p	Cloudy	69°21° (likely 66°19° to 70°21°)	69°21°	0%	5 mph8 km/h from ESE, gusts 9 mph14 km/h	66%	82%	0
Sat 11p	Cloudy	68°20° (likely 65°18° to 69°21°)	68°20°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	68%	82%	0
Sun 12a	Cloudy	67°19° (likely 64°18° to 68°20°)	67°19°	0%	5 mph8 km/h from SE, gusts 8 mph14 km/h	70%	79%	0
Sun 1a	Partly cloudy	66°19° (likely 62°17° to 67°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 7 mph11 km/h	73%	76%	0
Sun 2a	Cloudy	65°18° (likely 61°16° to 66°19°)	65°18°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	73%	72%	0
Sun 3a	Cloudy	64°18° (likely 61°16° to 65°18°)	64°18°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	75%	69%	0
Sun 4a	Cloudy	63°17° (likely 60°16° to 64°18°)	63°17°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	78%	64%	0
Sun 5a	Mostly clear	63°17° (likely 59°15° to 63°17°)	63°17°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	78%	68%	0
Sun 6a	Partly cloudy	62°17° (likely 59°15° to 63°17°)	62°17°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	84%	67%	0
Sun 7a	Partly cloudy	61°16° (likely 58°14° to 62°17°)	61°16°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	87%	77%	0
Sun 8a	Cloudy	61°16° (likely 57°14° to 63°17°)	61°16°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	87%	71%	0
Sun 9a	Cloudy	64°18° (likely 62°17° to 65°18°)	64°18°	0%	5 mph8 km/h from SE, gusts 6 mph9 km/h	84%	68%	1
Sun 10a	Partly sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	5 mph8 km/h from SE, gusts 9 mph14 km/h	76%	62%	2
Sun 11a	Cloudy	73°23° (likely 71°22° to 73°23°)	73°23°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	66%	70%	3
Sun 12p	Cloudy	76°24° (likely 75°24° to 76°24°)	76°24°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	60%	78%	4
Sun 1p	Cloudy	78°26° (likely 77°25° to 78°26°)	78°26°	0%	5 mph8 km/h from SSE, gusts 12 mph19 km/h	54%	87%	4
Sun 2p	Cloudy	80°27° (likely 78°26° to 80°27°)	81°27°	0%	10 mph16 km/h from SSE, gusts 12 mph20 km/h	49%	90%	5
Sun 3p	Cloudy	81°27° (likely 79°26° to 81°27°)	81°27°	0%	10 mph16 km/h from SE, gusts 13 mph22 km/h	44%	83%	4
Sun 4p	Cloudy	81°27° (likely 78°26° to 81°27°)	81°27°	0%	10 mph16 km/h from SE, gusts 13 mph21 km/h	42%	93%	3
Sun 5p	Cloudy	80°27° (likely 78°26° to 80°27°)	80°27°	0%	5 mph8 km/h from SE, gusts 12 mph20 km/h	42%	96%	2

Days ahead

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

Today, Oct 23. Mostly sunny. High 82°28°, low 59°15°. Typical 75°24° / 53°12°. Dry. Forecasts agree.
1. Overnight
  midnight–6 AM
  Clear, 60°16°
  Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 59. Southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
80°27°–83°28°
Low, likely
51°11°–59°15°
Typical high / low
75°24° / 53°12°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
5
Tomorrow, Oct 24. Cloudy. High 84°29°, low 61°16°. Typical 74°23° / 53°12°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 84°29°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 73°23°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 63°17°
  Dry
Official NWS forecast
Day: Sunny. High near 84, with temperatures falling to around 82 in the afternoon. South southeast wind 5 to 10 mph.
Night: Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. Southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
81°27°–84°29°
Low, likely
55°13°–61°16°
Typical high / low
74°23° / 53°12°
Wind
11 mph17 km/h, gusts 18 mph29 km/h
UV peak
5
Sunday, Oct 25. Cloudy. High 81°27°, low 59°15°. Typical 74°23° / 52°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 81°27°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 61°16°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 81. Southeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 59. East southeast wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
79°26°–81°27°
Low, likely
58°14°–62°17°
Typical high / low
74°23° / 52°11°
Wind
11 mph18 km/h
UV peak
5
Monday, Oct 26. Partly sunny. High 79°26°, low 60°16°. Typical 74°23° / 52°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 70°21°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 63°17°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79. Southeast wind around 5 mph.
Night: Mostly cloudy, with a low around 60. East southeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
77°25°–79°26°
Low, likely
57°14°–60°16°
Typical high / low
74°23° / 52°11°
Wind
9 mph15 km/h, gusts 16 mph25 km/h
UV peak
5
Tuesday, Oct 27. Cloudy. High 79°26°, low 59°15°. Typical 73°23° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 62°17°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 79°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 72°22°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 63°17°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 79. South southeast wind 0 to 5 mph.
Night: Partly cloudy, with a low around 59. Southeast wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–80°27°
Low, likely
59°15°–63°17°
Typical high / low
73°23° / 52°11°
Wind
11 mph17 km/h, gusts 22 mph35 km/h
UV peak
5
Wednesday, Oct 28. Mostly sunny. High 80°27°, low 61°16°. Typical 73°23° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 63°17°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 82°28°
  Dry
3. Evening
  6 PM–midnight
  Clear, 75°24°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 66°19°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 80.
Night: Mostly clear, with a low around 61.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–83°28°
Low, likely
61°16°–64°18°
Typical high / low
73°23° / 51°11°
Wind
13 mph21 km/h, gusts 22 mph35 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 81°27°, low 60°16°. Typical 72°22° / 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 67°19°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 81°27°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 75°24°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 68°20°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 81.
Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
78°26°–82°28°
Low, likely
60°16°–66°19°
Typical high / low
72°22° / 51°11°
Wind
15 mph24 km/h, gusts 21 mph34 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 77°25°, low 65°18°. Typical 72°22° / 51°11°. Rain 0.09 in2.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 67°20°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 79°26°
  30% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 72°22°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Cloudy, 66°19°
  30% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
74°23°–80°27°
Low, likely
64°18°–67°19°
Typical high / low
72°22° / 51°11°
Wind
12 mph20 km/h, gusts 21 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 76°24°, low 65°18°. Typical 72°22° / 50°10°. Rain 0.17 in4.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 66°19°
  30% chance · 0.03 in0.7 mm
2. Afternoon
  noon–6 PM
  Cloudy, 76°24°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 74°23°
  30% chance
4. Overnight
  midnight–6 AM
  Showers, 69°21°
  30% chance · 0.03 in0.7 mm
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
68°20°–82°28°
Low, likely
62°17°–68°20°
Typical high / low
72°22° / 50°10°
Wind
17 mph28 km/h, gusts 28 mph45 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 80°27°, low 67°19°. Typical 71°22° / 50°10°. Rain 0.23 in5.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Showers, 71°21°
  30% chance · 0.08 in2.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 81°27°
  20% chance · 0.05 in1.2 mm
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–82°28°
Low, likely
66°19°–71°22°
Typical high / low
71°22° / 50°10°
Wind
15 mph24 km/h, gusts 29 mph47 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 82°, low 59°.
Tomorrow
Dry, high 84°, low 61°.
Sunday
Dry, high 81°, low 59°, cooling off.
Rest of week
Mostly dry, highs 76–81°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (FWD) (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

North Texas Lakes at Lake Lavon

5.6 mi

Level: 488 ft

Reading from Fri 9 PM · NWS gauge page

Rowlette Creek near Sachse

8.2 mi

Below flood stage

Level: 4.4 ft
Flow: 69 cfs

Reading from Fri 9:45 PM · NWS gauge page

East Fork Trinity River at McKinney

9.3 mi

Below flood stage

Level: 2.2 ft
Flow: 38 cfs

Reading from Fri 9:30 PM · NWS gauge page

Sister Grove Creek near Blue Ridge

16 mi

Below flood stage

Level: 11.7 ft
Flow: 3 cfs

Reading from Fri 9 PM · NWS gauge page

For your home

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

Cooling this week

This week 11Typical 0

Cooling degree days, base 65°F

Comfort

Dry air outside (dew point 44°F).

Open the windows?

Sat, 12:00 AM–5:00 AM

Good stretch to open the windows.

Is this typical?

RICHARDSON · official normals 1991–2020 · records 1965–2026

Oct 23, today vs a typical year

Today’s expected high is 7°4° warmer than typical.

Last 7 days vs normal

—SatOct 17
—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23

Seis Lagos weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 7 min; Losing 1 min 53 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 6:09–6:59 PM; Morning 7:21–8:10 AM
Blue hour: 6:59–7:08 PM; Morning 7:11–7:21 AM; first light 7:11 AM

Stars tonight? Good

Clear 11:06 PM–7:12 AM; moon 96% lit, sets 5:57 AM.

Moon

Waxing gibbous

95% lit · growing

Today: sets 4:53 AM · rises 5:09 PM
Full moon: Oct 25
New moon: Nov 9

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

Seis Lagos, TX weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

North Texas Lakes at Lake Lavon

Rowlette Creek near Sachse

East Fork Trinity River at McKinney

Sister Grove Creek near Blue Ridge

For your home

Cooling this week

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon