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.

A Few Clouds

73°F

23°C

Humidity 81%
Wind Speed Calm
Barometer 30.02 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 May 8:54 pm EDT
Extended Forecast for

Deale MD

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 4am. Low around 60. North wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely before midnight, then a chance of showers after 5am. Cloudy, with a low around 54. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 8am. Cloudy, with a high near 64. East wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 52. East wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • 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 and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 4am. Low around 60. North wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Northeast wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely before midnight, then a chance of showers after 5am. Cloudy, with a low around 54. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly after 8am. Cloudy, with a high near 64. East wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 52. East wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 55. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
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 77. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deale MD
 38.77°N 76.56°W (Elev. 0 ft)
Last Update:
7:53 pm EDT May 20, 2026
Forecast Valid:
9pm EDT May 20, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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