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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Overcast

73°F

23°C

Humidity 81%
Wind Speed N 5 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 May 11:54 pm EDT
Extended Forecast for

Shady Side MD

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 62. North wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 67. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 55. Northeast wind 8 to 11 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Showers. High near 63. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: Showers. Low around 52. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 54. Chance of precipitation is 90%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 62. North wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 67. Northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 55. Northeast wind 8 to 11 mph. Chance of precipitation is 50%.
Friday
Showers. High near 63. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 52. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 67. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 54. Chance of precipitation is 90%.
Sunday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shady Side MD
 38.83°N 76.52°W (Elev. 3 ft)
Last Update:
10:53 pm EDT May 20, 2026
Forecast Valid:
11pm EDT May 20, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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