Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fog

33°F

1°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.06 in
Dewpoint 33°F (1°C)
Visibility 0.15 mi
Last update 17 Feb 11:55 pm EST
Extended Forecast for

Jarrettsville MD

Dense Fog Advisory February 18, 12:20am until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory February 18, 12:20am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 36 °F

    Dense Fog

  • Wednesday

    Wednesday: A chance of rain, mainly after 2pm.  Widespread dense fog, mainly before 10am.  Otherwise, mostly cloudy, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.

    High: 51 °F

    Dense Fog
    then Chance
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 40. West wind 5 to 7 mph.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: A chance of rain, mainly after 1pm.  Cloudy, with a high near 44. Light and variable wind becoming east 5 to 7 mph in the morning.  Chance of precipitation is 50%.

    High: 44 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 37. East wind around 8 mph.  Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain.  High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, cloudy, with a low around 36. Calm wind.
Wednesday
A chance of rain, mainly after 2pm. Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 51. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40. West wind 5 to 7 mph.
Thursday
A chance of rain, mainly after 1pm. Cloudy, with a high near 44. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 50%.
Thursday Night
Rain. Low around 37. East wind around 8 mph. Chance of precipitation is 80%.
Friday
Rain. High near 50. Chance of precipitation is 90%.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain after 1am. Partly cloudy, with a low around 32. Chance of precipitation is 40%.
Sunday
A chance of rain and snow before 1pm, then a chance of snow. Partly sunny, with a high near 39. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Jarrettsville MD
 39.61°N 76.47°W (Elev. 574 ft)
9:52 pm EST Feb 17, 2026
12am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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Additional Resources

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