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 in effect from August 17, 01:00 PM CDT until August 17, 08:00 PM CDT

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

N/A

Humidity	NA
Wind Speed	S 8 mph
Barometer	29.97 in
Dewpoint	N/A
Visibility	10.00 mi
Last update	17 Aug 4:55 am CDT

More Information:

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

Extended Forecast for

13 Miles SSE Waynoka OK

Heat Advisory August 17, 01:00pm until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 99 °F
Hot
Tonight
Low: 73 °F
Partly Cloudy
Monday
High: 99 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 98 °F
Slight Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 95 °F
Slight Chance
T-storms
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 92 °F
Sunny

Detailed Forecast

Today

Mostly sunny and hot, with a high near 99. Heat index values as high as 105. South wind 6 to 11 mph.

Tonight

Partly cloudy, with a low around 73. South wind 6 to 11 mph.

Monday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South wind 6 to 9 mph. Chance of precipitation is 20%.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 5 to 9 mph becoming light south southwest after midnight.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. South southwest wind 3 to 6 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.

Wednesday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 68.

Thursday

Sunny, with a high near 92.

Thursday Night

Clear, with a low around 66.

Friday

Sunny, with a high near 93.

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 91.