The current projected time frame for the new storm system on Monday, July 25 is from the mid-afternoon to the mid-evening. (See the first image above.)
"There is a threat for isolated to scattered instances of severe thunderstorms and flash flooding on Monday afternoon into evening," the National Weather Service said in a Hazardous Weather Outlook issued early Sunday, July 24. "The main threat with severe thunderstorms would be damaging wind gusts."
Sunday will be mostly sunny and hot, with a high temperature in the mid to upper 90s and heat indices around 100 degrees or more, the National Weather Service said.
Clouds will increase Sunday evening with a slight chance of isolated showers and thunderstorms in some parts of the region shown in the second image above.
Monday will be mostly cloudy and continued hot, with a high temperature in the low 90s prior to the arrival of a cold front that will trigger the storms.
The current projected time frame for storm activity is from around 2 p.m. to 8 p.m. Monday.
Rainfall amounts of between a half-inch to an inch are expected Monday.
Skies will clear overnight, leading to a partly sunny day on Tuesday, July 26, with the mercury staying below 90 degrees for the first time in as long as a week in some parts of the region. Tuesday's high temperature will be in the mid 80s.
Wednesday, July 27 will be mostly sunny with a high temperature in the mid 80s.
Check back to Daily Voice for updates.
Click here to follow Daily Voice Amherst and receive free news updates.