Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

73°F

23°C

Humidity	NA
Wind Speed	Calm
Barometer	30.00 in (1016.8 mb)
Dewpoint	N/A
Visibility	9.00 mi
Last update	17 Jun 11:56 pm EDT

More Information:

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

Extended Forecast for

Olney MD

Overnight
Low: 70 °F
Slight Chance
T-storms
Wednesday
High: 89 °F
Partly Sunny
then Showers
Likely
Wednesday Night
Low: 72 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 91 °F
Sunny then
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely then
Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 71 °F
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 20%.

Wednesday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Southwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 72. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 100. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. West wind 6 to 9 mph. Chance of precipitation is 60%.

Friday

Sunny, with a high near 85.

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 90.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 94.

Sunday Night

Mostly clear, with a low around 74.