Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 19, 12:00 PM CDT until August 19, 08:00 PM CDT

Current conditions at

Norman / Max Westheimer (KOUN)

Lat: 35.24°NLon: 97.47°WElev: 1182ft.

Partly Cloudy

99°F

37°C

Humidity	37%
Wind Speed	S 12 G 31 mph
Barometer	29.99 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	18 Aug 2:45 pm CDT

More Information:

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

Extended Forecast for

Lexington OK

Heat Advisory August 19, 12:00pm until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 97 °F
Slight Chance
T-storms
Tonight
Low: 74 °F
Mostly Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 93 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms then
Mostly Clear
Thursday
High: 93 °F
Sunny
Thursday Night
Low: 69 °F
Mostly Clear
Friday
High: 93 °F
Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97. Heat index values as high as 103. South wind around 8 mph.

Tonight

Mostly clear, with a low around 74. South southeast wind around 6 mph becoming calm in the evening.

Tuesday

Mostly sunny and hot, with a high near 98. Heat index values as high as 102. Calm wind.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Light and variable wind.

Wednesday

A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north northeast 5 to 7 mph in the morning. Chance of precipitation is 30%.

Wednesday Night

A chance of thunderstorms before 7pm. Mostly clear, with a low around 71. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 93.

Thursday Night

Mostly clear, with a low around 69.

Friday

Sunny, with a high near 93.

Friday Night

Mostly clear, with a low around 69.

Saturday

Sunny, with a high near 93.