Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Okmulgee, Okmulgee Municipal Airport (KOKM)

Lat: 35.67°NLon: 95.95°WElev: 722ft.

Fair

81°F

27°C

Humidity	58%
Wind Speed	N 6 mph
Barometer	29.92 in
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	20 Aug 12:55 am CDT

More Information:

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

Extended Forecast for

Henryetta OK

Heat Advisory August 20, 01:00pm until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 76 °F
Slight Chance
Showers
Thursday
High: 102 °F
Slight Chance
Showers then
Slight Chance
T-storms
Thursday Night
Low: 73 °F
Slight Chance
T-storms
Friday
High: 103 °F
Hot
Friday Night
Low: 74 °F
Slight Chance
T-storms
Saturday
High: 102 °F
Hot
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 99 °F
Mostly Sunny
Sunday Night
Low: 77 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers after 4am. Partly cloudy, with a low around 76. Calm wind.

Thursday

A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 106. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

Thursday Night

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.

Friday

Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming east around 5 mph in the afternoon.

Friday Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

Saturday

Mostly sunny and hot, with a high near 102. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 74. East wind around 5 mph becoming calm.

Sunday

Mostly sunny, with a high near 99. Southeast wind around 5 mph.

Sunday Night

Partly cloudy, with a low around 77. South wind around 5 mph.

Monday

Mostly sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 77. South wind 5 to 10 mph.