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

Ponca City, Ponca City Municipal Airport (KPNC)

Lat: 36.73°NLon: 97.1°WElev: 1007ft.

Fair

87°F

31°C

Humidity	51%
Wind Speed	SE 8 mph
Barometer	29.97 in (1013.3 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	16 Aug 8:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles ENE Tonkawa OK

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

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 75 °F
Partly Cloudy
Sunday
High: 98 °F
Hot
Sunday Night
Low: 75 °F
Partly Cloudy
Monday
High: 100 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 97 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 91 °F
Chance
Showers
Wednesday Night
Low: 67 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 75. South southeast wind 7 to 10 mph.

Sunday

Mostly sunny and hot, with a high near 98. Heat index values as high as 104. South wind 6 to 14 mph, with gusts as high as 21 mph.

Sunday Night

Partly cloudy, with a low around 75. South southeast wind 6 to 11 mph.

Monday

Sunny and hot, with a high near 100. Heat index values as high as 104. South wind 6 to 10 mph.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South southeast wind 5 to 9 mph becoming light south after midnight.

Tuesday

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 97. Chance of precipitation is 20%.

Tuesday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91.

Wednesday Night

Mostly clear, with a low around 67.

Thursday

Sunny, with a high near 89.

Thursday Night

Clear, with a low around 66.

Friday

Sunny, with a high near 90.