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Information on the severe weather that occurred on Saturday, July 18th, 2026

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

79°F

26°C

Humidity	85%
Wind Speed	S 10 mph
Barometer	29.95 in (1014.5 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	16 Aug 3:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles N South Mountain PA

Severe T-storm Watch until August 16, 11:00pm

Flood Watch August 16, 04:44pm until August 16, 10:00pm

Click here for hazard details and duration

Severe T-storm Watch

Flood Watch

Severe T-storm Watch until August 16, 11:00pm
Flood Watch August 16, 04:44pm until August 16, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 76 °F
T-storms
Likely
Tonight
Low: 66 °F
T-storms then
Showers
Likely
Monday
High: 83 °F
Mostly Sunny
then Chance
Showers
Monday Night
Low: 61 °F
Decreasing
Clouds
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 76. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers after 2am. Low around 66. South wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Northwest wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Northwest wind 3 to 5 mph.

Tuesday

Sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the morning.

Tuesday Night

Mostly clear, with a low around 60.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly cloudy, with a low around 63.

Thursday

Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 60%.