Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Dallas/Fort Worth International Airport (KDFW)

Lat: 32.9°NLon: 97.02°WElev: 541ft.

A Few Clouds

99°F

37°C

Humidity	26%
Wind Speed	SE 10 mph
Barometer	29.91 in (1011.9 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	31 Aug 5:53 pm CDT

More Information:

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

Extended Forecast for

Colleyville TX

Tonight
Low: 80 °F
Mostly Clear
Tuesday
High: 100 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 79 °F
Decreasing
Clouds
Wednesday
High: 99 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 78 °F
Partly Cloudy
Thursday
High: 99 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 79 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 80. South southeast wind 5 to 10 mph.

Tuesday

A 10 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 105. East southeast wind 5 to 10 mph.

Tuesday Night

Mostly cloudy, then gradually becoming clear, with a low around 79. Southeast wind 5 to 10 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Southeast wind 5 to 10 mph.

Wednesday Night

Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. South southeast wind around 10 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 79. South southeast wind 10 to 15 mph.

Friday

Sunny and hot, with a high near 99. South wind around 10 mph.

Friday Night

Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.

Saturday

Sunny and hot, with a high near 100.

Saturday Night

Mostly clear, with a low around 79.

Sunday

Sunny and hot, with a high near 100.