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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair

62°F

17°C

Humidity 50%
Wind Speed SW 10 G 16 mph
Barometer 30.04 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 May 3:35 am EDT
Extended Forecast for

Joppa MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. South wind around 8 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 5pm. Increasing clouds, with a high near 73. South wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 53. South wind 8 to 13 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Northwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. South wind around 8 mph.
Wednesday
A chance of showers, mainly after 5pm. Increasing clouds, with a high near 73. South wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 53. South wind 8 to 13 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 65. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 50. Northwest wind around 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joppa MD
 39.44°N 76.35°W (Elev. 135 ft)
Last Update:
2:23 am EDT May 13, 2026
Forecast Valid:
3am EDT May 13, 2026-6pm EDT May 19, 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