A very warm weekend ahead

Today's Forecast

Some patchy fog possible Saturday morning

HAGERSTOWN, Md. (WDVM) — PATCHY DENSE FOG IS EXPECTED TO DEVELOP OVERNIGHT INTO TOMORROW MORNING. OVERALL I WOULD NOT CLASSIFY THE WEEKEND AS A WASHOUT, BUT MORE OF THE GARDEN VARIETY SHOWERS AND STORMS THAT WE SEE DURING THE SUMMER MONTHS, AS HIGH PRESSURE OVER THE ATLANTIC CONTROLS OUR WEATHER PATTERN. A SOUTH TO SOUTHWEST WIND DIRECTION WILL BRING TEMPERATURES INTO THE LOWER TO MIDDLE 90S, CAUSING HEAT INDICES TO TOP OFF AROUND 100 DEGREES, ESPECIALLY EAST OF THE BLUE RIDGE MOUNTAINS. AS OF NOW, THE MOST LIKELY SCENARIO IS FOR HEAT INDICES TO BE JUST BELOW ADVISORY CRITERIA (105 DEGREES) BUT IT WILL BE CLOSE. A SHOWER OR THUNDERSTORM CANNOT BE COMPLETELY RULED OUT DURING THE AFTERNOON AND EVENING HOURS, BUT MOST AREAS WILL BE DRY. HOT AND HUMID CONDITIONS WILL PERSIST AT THE BEGINNING OF NEXT WEEK, BUT BY MID-WEEK, WE’LL BEGIN TO SEE HIGHER CHANCES FOR SHOWERS AND THUNDERSTORMS AS A COLD FRONT APPROACHES THE AREA ON WEDNESDAY. LONG-RANGE MODEL GUIDANCE IS IN FAIRLY GOOD AGREEMENT WITH THIS FRONT MOVING THROUGH THE AREA THURSDAY. BEHIND THE FRONT, A LARGE CANADIAN HIGH-PRESSURE BUILDS WILL BUILD OVER THE NORTHEAST DELIVERING DRIER WEATHER, NEAR-NORMAL TEMPERATURES, AND LOWER HUMIDITY TO END THE WEEK.

HERE’S A LOOK AT YOUR EXTENDED FORECAST:

OVERNIGHT: PARTLY CLOUDY OVERNIGHT WITH SOME POSSIBLE FOG. LOWS: 67-77. SOUTH 5 MPH

WEEKEND: MANY DRY HOURS WITH POCKETS OF ISOLATED THUNDERSTORMS. VERY WARM AND HUMID HIGHS IN THE LOW TO MID-90S. HEAT INDEX COULD APPROACH 100 DEGREES.

MONDAY: VARIABLY CLOUDY AND CONTINUED WARM. HIGHS IN THE LOW 90S.

TUESDAY: SCATTERED AFTERNOON/EVENING STORMS. HIGHS IN THE UPPER 80S.

WEDNESDAY: PARTLY SUNNY AND SCATTERED STORMS. SOME STORMS COULD BE STRONG OR SEVERE. HIGHS IN THE MID TO UPPER 80S.

THURSDAY: VARIABLY CLOUDY WITH GRADUAL CLEARING FROM NORTH TO SOUTH. HIGHS IN THE MIDDLE 80S.

FRIDAY: MOSTLY SUNNY, LESS HUMID. HIGHS IN THE MID-80S.

HAVE A GREAT WEEKEND

  • METEOROLOGIST SCOTT SUMNER

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