Flood Watch 7:00 PM

Collin County, Texas, United States

Last updated: 4:56 PM CDT  ·  Refresh
24°C
Feels like 26°
Mostly Cloudy
▲ 25°  /  ▼ 19°
Wind
8 mph NNE
Humidity
88%
Dew Point
22°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
3.3
Cloud Cover
84%
Sunrise
7:20 AM
Sunset
7:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Collin County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 75% around 10 PM. Sunrise: 7:20AM · Sunset: 7:09PM.

Alerts

Flood Watch
Expires 7:00 PM
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
26%
5 PM
25°
66%
6 PM
24°
65%
7 PM
24°
63%
8 PM
23°
63%
9 PM
23°
70%
10 PM
23°
74%
11 PM
23°
74%
12 AM
23°
74%
1 AM
22°
66%
2 AM
23°
37%
3 AM
22°
18%
4 AM
22°
44%
5 AM
21°
45%
6 AM
21°
46%
7 AM
21°
47%
8 AM
21°
47%
9 AM
20°
48%
10 AM
19°
60%
11 AM
19°
60%
12 PM
20°
61%
1 PM
22°
22%
2 PM
22°
22%
3 PM
23°
32%
7-Day Forecast
Today
25° 19°
Mostly Cloudy with a 74% chance of rain.
Sat
24° 19°
Rain, 66% chance.
Sun
28° 19°
Mostly Cloudy.
Mon
27° 18°
Clear.
Tue
26° 18°
Clear.
Wed
27° 17°
Clear.
Thu
28° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 26% 8 mph NNE 88%
5 PM 25° Overcast 66% 9 mph NNE 89%
6 PM 24° Overcast 65% 10 mph NNE 88%
7 PM 24° Overcast 63% 8 mph NNE 93%
8 PM 23° Overcast 63% 9 mph NNE 93%
9 PM 23° Overcast 70% 9 mph NNE 94%
10 PM 23° Overcast 74% 9 mph NNE 94%
11 PM 23° Overcast 74% 8 mph NNE 95%
12 AM 23° Overcast 74% 7 mph NNE 95%
1 AM 22° Overcast 66% 7 mph NNE 95%
2 AM 23° Overcast 37% 7 mph NE 95%
3 AM 22° Overcast 18% 6 mph NE 95%
4 AM 22° Overcast 44% 6 mph ENE 95%
5 AM 21° Overcast 45% 6 mph ENE 95%
6 AM 21° Overcast 46% 7 mph ENE 95%
7 AM 21° Overcast 47% 7 mph ENE 94%
8 AM 21° Overcast 47% 7 mph E 94%
9 AM 20° Overcast 48% 7 mph E 94%
10 AM 19° Rain 60% 8 mph ENE 92%
11 AM 19° Rain 60% 7 mph ENE 92%
12 PM 20° Rain 61% 7 mph ENE 91%
1 PM 22° Overcast 22% 7 mph NE 91%
2 PM 22° Overcast 22% 6 mph NE 91%
3 PM 23° Overcast 32% 6 mph NNE 91%
15-Day Forecast
Today
10/2
Mostly Cloudy
74%
19°
25°
Sat
10/3
Rain
66%
19°
24°
Sun
10/4
Mostly Cloudy
12%
19°
28°
Mon
10/5
Clear
3%
18°
27°
Tue
10/6
Clear
3%
18°
26°
Wed
10/7
Clear
3%
17°
27°
Thu
10/8
Clear
3%
18°
28°
Fri
10/9
Clear
25%
19°
29°
Sat
10/10
Drizzle
44%
19°
26°
Sun
10/11
Drizzle
66%
21°
26°
Mon
10/12
Drizzle
60%
19°
27°
Tue
10/13
Drizzle
60%
17°
26°
Wed
10/14
Clear
25%
17°
26°
Thu
10/15
Drizzle
60%
17°
26°
Fri
10/16
Drizzle
60%
16°
24°
38
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
18 AQI 3.3 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 38 Good 38 18
Sun 31 Good 31 28
Mon 34 Good 34 33
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 2, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE843 J/kg
MLCAPE143 J/kg
MUCAPE843 J/kg
SBCIN-0 J/kg
MLCIN-28 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear26 kt
0–1 km Shear12 kt
Eff. Shear22 kt
0–1 km SRH70
0–3 km SRH158
Eff. SRH158
Storm Motion294° @ 12 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell1.5
K-Index36.6
Thermo & Levels
PWAT2.11 in
0–3 km LR5.5 °C/km
700–500 LR4.8 °C/km
Total Totals43.6
LCL969 hPa
LFC995 hPa
EL237 hPa
Freezing Lvl15,404 ft