Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Heat Advisory until August 18, 08:00 PM CDT

Current conditions at

Lancaster Airport (KLNC)

Lat: 32.58°NLon: 96.72°WElev: 496ft.

Fair

76°F

24°C

Humidity	90%
Wind Speed	E 3 mph
Barometer	29.98 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	18 Aug 5:15 am CDT

More Information:

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

Extended Forecast for

Wilmer TX

Heat Advisory August 18, 05:33am until August 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 18, 05:33am until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Today
High: 99 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 77 °F
Mostly Clear
Tuesday
High: 101 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 78 °F
Mostly Clear
Wednesday
High: 98 °F
Slight Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
Showers
Thursday
High: 94 °F
Chance
T-storms
Thursday Night
Low: 73 °F
Chance
Showers

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming southwest around 5 mph.

Tonight

Mostly clear, with a low around 77. East southeast wind around 5 mph becoming calm.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming northeast around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 78. East wind around 5 mph becoming calm in the evening.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming north northeast around 5 mph in the morning.

Thursday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly clear, with a low around 73. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 72.

Saturday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.

Saturday Night

Mostly clear, with a low around 72.

Sunday

Sunny, with a high near 96.