Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

77°F

25°C

Humidity	88%
Wind Speed	Calm
Barometer	30.18 in (1022.9 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	12 Jul 10:56 am EDT

More Information:

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

Extended Forecast for

Olney MD

Today
High: 82 °F
Slight Chance
T-storms
Tonight
Low: 64 °F
Partly Cloudy
Monday
High: 80 °F
Mostly Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 68 °F
Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 72 °F
Mostly Clear
Thursday
High: 91 °F
Sunny

Detailed Forecast

Today

A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. East wind 7 to 9 mph. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 80. East wind 3 to 7 mph.

Monday Night

Mostly clear, with a low around 63. Light and variable wind.

Tuesday

Sunny, with a high near 86. Light southwest wind.

Tuesday Night

Clear, with a low around 68.

Wednesday

Sunny, with a high near 93.