The National Weather Service is warning of two weather hazards expected to impact the region today with dangerous wildfire smoke and the potential for severe thunderstorms.
MoCoSnow
Montgomery County officials have issued a Code Purple Air Quality Alert for Friday, July 17, 2026, as smoke from wildfires in Canada continues to impact the region.
The Maryland Department of the Environment has issued a Code Red Air Quality Alert for Montgomery County and the Maryland suburbs of Washington, D.C. for Friday, July 17, as smoke […]
Most of Maryland, including Montgomery County, is under an “Unhealthy for Sensitive Groups” (USG) air quality alert as wildfire smoke combines with elevated ozone levels during a stretch of above-normal temperatures. At the same time, a Heat Advisory remains in effect until 8pm Thursday.
The National Weather Service has issued a Heat Advisory for Montgomery County from 11 a.m. to 8 p.m. on Wednesday, July 15, as heat index values are expected to reach as high as 105 degrees.
The National Weather Service has issued a Severe Thunderstorm Watch for Montgomery County that remains in effect until 10 p.m. on Saturday, July 4, while an Extreme Heat Watch is […]
Governor Wes Moore on Tuesday declared a State of Preparedness ahead of a prolonged heat wave expected to bring dangerous temperatures and extreme heat risk across Maryland through the Independence Day holiday weekend. (more…)
The National Weather Service has issued a Heat Advisory for Wednesday and an Extreme Heat Watch for Thursday and Friday for Montgomery County, the District of Columbia, and much of the surrounding region as dangerously hot and humid conditions are expected to return.
Montgomery County health and emergency management officials are urging residents to take precautions as a prolonged period of dangerous heat and humidity is expected to impact the region from Wednesday, July 1, through at least Sunday, July 5. (more…)
Another prolonged stretch of dangerous heat appears increasingly likely to arrive just in time for the Independence Day holiday, with forecasters warning that temperatures and humidity could combine to create potentially dangerous conditions across Montgomery County and the DC region.
After a potentially stormy weekend, Montgomery County could be in for one of its hottest stretches of the summer as July begins. Daily chances for showers and thunderstorms are expected through Sunday before temperatures climb rapidly early next week, with highs forecast to approach 100 degrees and heat index values potentially reaching as high as 110 degrees by Thursday.