National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns in the Southern Plains and Southeast; Pacific System to Bring Unsettled Weather to the West Coast

Gusty winds and dry conditions will continue to bring elevated to critical fire weather conditions to the southern Plains and Southeast early this week. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to northern and central California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

40°F

4°C

Humidity 63%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 3:35 am EDT
Extended Forecast for

Perryville MD

Freeze Warning April 21, 02:00am until April 21, 10:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: A chance of sprinkles. Mostly cloudy, with a low around 42. West wind around 6 mph.

    Low: 42 °F

    Chance
    Sprinkles

  • Monday

    Monday: A chance of sprinkles before 8am, then a chance of sprinkles with a slight chance of showers between 8am and 2pm, then a chance of sprinkles after 2pm. Partly sunny, with a high near 52. Northwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Widespread frost after 2am. Otherwise, mostly clear, with a low around 31. North wind 5 to 9 mph.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 10am. Otherwise, sunny, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.

    High: 53 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 47. South wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of sprinkles. Mostly cloudy, with a low around 42. West wind around 6 mph.
Monday
A chance of sprinkles before 8am, then a chance of sprinkles with a slight chance of showers between 8am and 2pm, then a chance of sprinkles after 2pm. Partly sunny, with a high near 52. Northwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Widespread frost after 2am. Otherwise, mostly clear, with a low around 31. North wind 5 to 9 mph.
Tuesday
Widespread frost before 10am. Otherwise, sunny, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 47. South wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 71.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Perryville MD
 39.57°N 76.07°W (Elev. 79 ft)
Last Update:
2:23 am EDT Apr 20, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation