National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

96°F

36°C

Humidity 40%
Wind Speed S 8 G 21 mph
Barometer 30.13 in (1018.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 15 Aug 11:53 am CDT
Extended Forecast for

3 Miles ENE Arpelar OK

Heat Advisory August 15, 08:00pm until August 16, 12:00pm
Extreme Heat Warning until August 15, 08:00pm
Extreme Heat Warning August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 15, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 104. Heat index values as high as 110. Southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 102. Calm wind becoming northwest around 5 mph.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 108. South wind around 10 mph.
Tonight
Clear, with a low around 78. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 104. Heat index values as high as 110. Southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. South wind around 5 mph becoming calm.
Monday
Sunny and hot, with a high near 102. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 75. Calm wind.
Tuesday
Sunny and hot, with a high near 104. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 78. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 100. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 99. East wind around 5 mph becoming north in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Arpelar OK
 34.95°N 95.93°W
Last Update:
11:50 am CDT Aug 15, 2026
Forecast Valid:
12pm CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation