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

Current conditions at

Ponca City, Ponca City Municipal Airport (KPNC)

Lat: 36.73°NLon: 97.1°WElev: 1007ft.

Mostly Cloudy

95°F

35°C

Humidity	46%
Wind Speed	S 9 G 26 mph
Barometer	29.96 in (1012.9 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	17 Aug 1:53 pm CDT

More Information:

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

Extended Forecast for

Tonkawa OK

Heat Advisory August 18, 12:00pm until August 18, 08:00pm

Heat Advisory until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 17, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
This Afternoon
High: 97 °F
Hot
Tonight
Low: 74 °F
Mostly Clear
Monday
High: 99 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 75 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 99 °F
Chance
Showers
Tuesday Night
Low: 72 °F
Chance
T-storms
Wednesday
High: 95 °F
Chance
Showers
Wednesday Night
Low: 69 °F
Mostly Clear

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 97. Heat index values as high as 104. South southeast wind around 14 mph, with gusts as high as 21 mph.

Tonight

Mostly clear, with a low around 74. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 106. South wind 6 to 10 mph.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South southeast wind 5 to 9 mph becoming light south after midnight.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming southwest around 6 mph in the morning.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Sunny, with a high near 95.

Wednesday Night

Mostly clear, with a low around 69.

Thursday

Sunny, with a high near 92.

Thursday Night

Clear, with a low around 66.

Friday

Sunny, with a high near 92.