Expected

As a line of thunderstorms lifts northeast, a broader area of rain behind the storms will be accompanied by winds gusting as high as 45 to 55 mph through 3 AM CDT.

* WHAT...Variable winds gusting as high as 60 mph behind departing thunderstorms. * WHERE...Portions of south central and southeast South Dakota. * WHEN...Until 2 AM CDT early this morning. * IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles. Winds this strong will make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Heat index values up to near 100 expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...From noon Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. New York City residents should call 3 1 1 to identify cooling center locations and obtain 'Beat the Heat' safety tips. A Heat Advisory is issued when the combination of heat and humidity

* WHAT...Heat index values up to near 100 expected. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...From noon Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health

* WHAT...Heat index values in the mid to upper 90s expected. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, Southern Fairfield, and Southern New Haven Counties. In New York, Northern Nassau, Northwest Suffolk, Southern Nassau, and Southwest Suffolk Counties. * WHEN...From noon Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory is issued when the combination of heat and humidity

* WHAT...Heat index values up to near 100 expected. * WHERE...Northern New London County. * WHEN...From noon Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or more consecutive days, or 100 to 104 degrees for any length of time. Seniors and those with chronic health problems or mental health

* WHAT...Visibility down to one quarter to one half mile in patchy dense fog. * WHERE...Sheboygan, Kenosha, Milwaukee, Ozaukee, Racine, Washington, and Waukesha Counties. * WHEN...Until 7 AM CDT this morning. * IMPACTS...Sudden reductions in visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period southerly swell. * WHERE...Pacific Coast beaches, especially south and southwest facing beaches, across Sonoma, Marin, San Mateo, and Santa Cruz Counties. * WHEN...Through 5 AM Thursday morning. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.

At 115 AM CDT, Doppler radar was tracking showers and thunderstorms along a line from near Selman to near the Antelope Hills and Durham. Movement was east-northeast at 40 mph. Some of these showers and thunderstorms can produce winds of 50 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Woodward, Shattuck, Laverne, Buffalo, Arnett, Mooreland, Vici, Gage,

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon today to 8 PM MDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 246 and 247. * TIMING...From noon today to 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a