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 in effect from August 18, 12:00 PM CDT until August 18, 08:00 PM CDT

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Thunderstorm in Vicinity

N/A

Humidity	NA
Wind Speed	SE 10 mph
Barometer	29.90 in
Dewpoint	N/A
Visibility	10.00 mi
Last update	17 Aug 8:55 pm CDT

More Information:

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

Extended Forecast for

7 Miles SE Belva OK

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

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 73 °F
Slight Chance
T-storms
Monday
High: 97 °F
Slight Chance
T-storms
Monday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 97 °F
Slight Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 94 °F
Slight Chance
T-storms
Wednesday Night
Low: 69 °F
Mostly Clear
Thursday
High: 91 °F
Sunny
Thursday Night
Low: 66 °F
Clear

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 9 to 11 mph.

Monday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 101. South wind 8 to 10 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 6 to 9 mph.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Heat index values as high as 100. South southwest wind around 6 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. East southeast wind around 6 mph becoming light and variable after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.

Wednesday Night

Mostly clear, with a low around 69.

Thursday

Sunny, with a high near 91.

Thursday Night

Clear, with a low around 66.

Friday

Sunny, with a high near 92.

Friday Night

Mostly clear, with a low around 67.