McKinney, Texas

Last updated: 11:59 AM CDT  ·  Refresh
24°C
Feels like 22°
Clear
▲ 26°  /  ▼ 12°
Wind
10 mph S
Humidity
50%
Dew Point
13°
Pressure
29.28 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
4%
Sunrise
6:47 AM
Sunset
5:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McKinney is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:47AM · Sunset: 5:31PM.

Alerts

No active alerts for this location.
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
0%
12 PM
26°
0%
1 PM
26°
1%
2 PM
26°
1%
3 PM
26°
1%
4 PM
26°
1%
5 PM
23°
2%
6 PM
22°
2%
7 PM
22°
4%
8 PM
19°
0%
9 PM
19°
4%
10 PM
18°
1%
11 PM
17°
0%
12 AM
17°
1%
1 AM
16°
0%
2 AM
16°
0%
3 AM
15°
0%
4 AM
13°
2%
5 AM
12°
0%
6 AM
12°
0%
7 AM
13°
0%
8 AM
16°
0%
9 AM
17°
0%
10 AM
18°
0%
7-Day Forecast
Today
26° 12°
Clear.
Fri
24° 12°
Partly Cloudy.
Sat
23° 12°
Mostly Cloudy.
Sun
21° 8°
Partly Cloudy.
Mon
21° 7°
Partly Cloudy.
Tue
24° 7°
Clear.
Wed
25° 9°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 0% 10 mph S 50%
12 PM 26° Clear 0% 10 mph S 50%
1 PM 26° Clear 1% 9 mph S 48%
2 PM 26° Clear 1% 9 mph S 47%
3 PM 26° Clear 1% 7 mph SSE 47%
4 PM 26° Mostly Clear 1% 6 mph SSE 50%
5 PM 23° Partly Cloudy 2% 5 mph SE 55%
6 PM 22° Mostly Cloudy 2% 5 mph ESE 61%
7 PM 22° Mostly Cloudy 4% 4 mph ESE 65%
8 PM 19° Mostly Cloudy 0% 5 mph NE 69%
9 PM 19° Partly Cloudy 4% 9 mph NE 74%
10 PM 18° Partly Cloudy 1% 9 mph NE 74%
11 PM 17° Mostly Cloudy 0% 9 mph NNE 74%
12 AM 17° Mostly Cloudy 1% 9 mph NNE 73%
1 AM 16° Partly Cloudy 0% 9 mph NNE 74%
2 AM 16° Mostly Cloudy 0% 10 mph NNE 76%
3 AM 15° Partly Cloudy 0% 11 mph NNE 78%
4 AM 13° Partly Cloudy 2% 11 mph NNE 79%
5 AM 12° Partly Cloudy 0% 11 mph NNE 79%
6 AM 12° Partly Cloudy 0% 11 mph NNE 81%
7 AM 13° Partly Cloudy 0% 11 mph NNE 77%
8 AM 16° Mostly Cloudy 0% 11 mph NNE 72%
9 AM 17° Mostly Cloudy 0% 11 mph NNE 68%
10 AM 18° Partly Cloudy 0% 11 mph NNE 64%
15-Day Forecast
Today
11/5
Clear
2%
12°
26°
Fri
11/6
Partly Cloudy
0%
12°
24°
Sat
11/7
Mostly Cloudy
9%
12°
23°
Sun
11/8
Partly Cloudy
4%
8°
21°
Mon
11/9
Partly Cloudy
8%
7°
21°
Tue
11/10
Clear
3%
7°
24°
Wed
11/11
Partly Cloudy
2%
9°
25°
Thu
11/12
Clear
1%
9°
23°
Fri
11/13
Mostly Clear
9%
7°
22°
Sat
11/14
Mostly Clear
8%
8°
23°
Sun
11/15
Mostly Clear
6%
10°
22°
Mon
11/16
Drizzle
83%
12°
23°
Tue
11/17
Drizzle
82%
14°
23°
Wed
11/18
Drizzle
87%
13°
22°
Thu
11/19
Drizzle
85%
12°
21°
58
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
58 AQI 13.0 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 58 Moderate 44 58
Sat 37 Good 28 37
Sun 44 Good 28 44
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 Thu Nov 5, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE49 J/kg
MLCAPE18 J/kg
MUCAPE49 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index4.0
Kinematics
0–6 km Shear49 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH9
0–3 km SRH33
Eff. SRH—
Storm Motion280° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index14.9
Thermo & Levels
PWAT0.82 in
0–3 km LR6.5 °C/km
700–500 LR5.2 °C/km
Total Totals36.4
LCL841 hPa
LFC991 hPa
EL902 hPa
Freezing Lvl13,684 ft