Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

77°F

25°C

Humidity 43%
Wind Speed S 8 mph
Barometer 30.04 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 1:55 pm EDT
Extended Forecast for

Fallston MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. South wind around 9 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers before midnight, then a slight chance of showers after 3am.  Mostly cloudy, with a low around 62. South wind around 7 mph becoming west after midnight.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers after 3pm.  Mostly sunny, with a high near 85. West wind around 6 mph.  Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 50%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 79. South wind around 9 mph.
Tonight
A slight chance of showers before midnight, then a slight chance of showers after 3am. Mostly cloudy, with a low around 62. South wind around 7 mph becoming west after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of showers after 3pm. Mostly sunny, with a high near 85. West wind around 6 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 62. Calm wind.
Monday
Sunny, with a high near 89. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fallston MD
 39.54°N 76.42°W (Elev. 397 ft)
10:53 am EDT May 16, 2026
2pm EDT May 16, 2026-6pm EDT May 22, 2026
 
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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