Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Heat Advisory until August 16, 07:00 PM CDT

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

90°F

32°C

Humidity	33%
Wind Speed	S 10 mph
Barometer	29.98 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	15 Aug 9:55 pm CDT

More Information:

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

Extended Forecast for

Helena OK

Heat Advisory August 15, 10:03pm until August 16, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 10:03pm until August 16, 07:00pm
NOW until 7:00pm Sun
Heat Advisory
Tonight
Low: 75 °F
Partly Cloudy
Sunday
High: 100 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 70 °F
Slight Chance
T-storms then
Chance
Showers
Monday
High: 96 °F
Slight Chance
T-storms
Monday Night
Low: 71 °F
Partly Cloudy
Tuesday
High: 105 °F
Hot
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 105 °F
Hot

Detailed Forecast

Tonight

Partly cloudy, with a low around 75. South wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

Sunday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 104. North wind 6 to 9 mph. Chance of precipitation is 20%.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. Northeast wind 5 to 9 mph.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 100. Northeast wind 3 to 7 mph.

Monday Night

Partly cloudy, with a low around 71. Southeast wind around 6 mph.

Tuesday

Sunny and hot, with a high near 105.

Tuesday Night

Mostly clear, with a low around 76.

Wednesday

Sunny and hot, with a high near 105.