Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Light Rain

73°F

23°C

Humidity	90%
Wind Speed	N 12 mph
Barometer	30.06 in (1017.4 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	15 Jun 9:53 am CDT

More Information:

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

Extended Forecast for

Prosper TX

Today
High: 90 °F
Showers
Likely
Tonight
Low: 75 °F
Mostly Cloudy
then Slight
Chance
T-storms
Monday
High: 93 °F
Slight Chance
T-storms then
Mostly Sunny
Monday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 76 °F
Slight Chance
T-storms
Juneteenth
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Mostly cloudy, with a high near 90. Heat index values as high as 97. East northeast wind around 10 mph becoming west southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph.

Monday

A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 106. South southwest wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 78. South wind around 10 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 94. South wind around 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 77. South wind around 15 mph, with gusts as high as 25 mph.

Wednesday

Mostly sunny, with a high near 93. South wind around 15 mph, with gusts as high as 20 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.

Juneteenth

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South southwest wind around 10 mph.