Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

82°F

28°C

Humidity	58%
Wind Speed	S 6 mph
Barometer	29.94 in (1012.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	26 Aug 4:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SSW Blue Ridge TX

Heat Advisory August 26, 05:39am until August 26, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 26, 05:39am until August 26, 09:00pm
NOW until 9:00pm Wed
Heat Advisory
Overnight
Low: 80 °F
Slight Chance
T-storms
Wednesday
High: 100 °F
Slight Chance
T-storms
Wednesday Night
Low: 76 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 99 °F
Hot
Thursday Night
Low: 73 °F
Partly Cloudy
Friday
High: 98 °F
Sunny
Friday Night
Low: 74 °F
Clear
Saturday
High: 98 °F
Sunny

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. South southwest wind around 10 mph.

Wednesday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny and hot, with a high near 100. South southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

Wednesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Northwest wind 5 to 10 mph becoming north northeast after midnight.

Thursday

Mostly sunny and hot, with a high near 99. Heat index values as high as 106. North wind 5 to 10 mph.

Thursday Night

Partly cloudy, with a low around 73. East northeast wind 5 to 10 mph.

Friday

Sunny, with a high near 98. East wind 5 to 10 mph.

Friday Night

Clear, with a low around 74. East wind 5 to 10 mph.

Saturday

Sunny, with a high near 98. South southeast wind 5 to 10 mph.

Saturday Night

Clear, with a low around 74. Southeast wind 5 to 10 mph.