Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Heat Advisory until August 17, 08:00 PM CDT

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

94°F

34°C

Humidity	44%
Wind Speed	SE 13 mph
Barometer	29.99 in (1014.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	16 Aug 5:53 pm CDT

More Information:

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

Extended Forecast for

3 Miles NE Weston TX

Heat Advisory August 16, 06:23pm until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 16, 06:23pm until August 17, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
Tonight
Low: 78 °F
Partly Cloudy
Sunday
High: 98 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 77 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 98 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 97 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 75 °F
Mostly Clear
Wednesday
High: 95 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Partly cloudy, with a low around 78. South wind 5 to 10 mph.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Heat index values as high as 107. South wind 5 to 10 mph. Chance of precipitation is 30%.

Sunday Night

A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming calm after midnight.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 76. East southeast wind around 5 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 75. East wind around 5 mph becoming calm in the evening.

Wednesday

A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Thursday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 40%.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Friday Night

Mostly clear, with a low around 71.

Saturday

Sunny, with a high near 91.