Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

41°F

5°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.05 in (1019.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 1 Mar 5:56 am EST
Extended Forecast for

Olney MD

  • Today

    Today: Partly sunny, with a high near 45. North wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northeast wind 5 to 7 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 35. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow before 1am, then snow likely, possibly mixed with freezing rain and sleet between 1am and 4am, then snow and freezing rain likely after 4am.  Mostly cloudy, with a low around 30. Southeast wind around 6 mph.  Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Snow then
    Wintry Mix
    Likely

  • Tuesday

    Tuesday: Rain or freezing rain, becoming all rain after 10am.  High near 46. South wind 6 to 8 mph.  Chance of precipitation is 80%.

    High: 46 °F

    Rain/Freezing
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain.  Mostly cloudy, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain.  Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

    High: 70 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 45. North wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 25. Northeast wind 5 to 7 mph.
Monday
Partly sunny, with a high near 35. Northeast wind around 6 mph becoming southeast in the afternoon.
Monday Night
A slight chance of snow before 1am, then snow likely, possibly mixed with freezing rain and sleet between 1am and 4am, then snow and freezing rain likely after 4am. Mostly cloudy, with a low around 30. Southeast wind around 6 mph. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Tuesday
Rain or freezing rain, becoming all rain after 10am. High near 46. South wind 6 to 8 mph. Chance of precipitation is 80%.
Tuesday Night
Rain likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A chance of rain. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
6:53 am EST Mar 1, 2026
8am EST Mar 1, 2026-6pm EST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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