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

65°F

18°C

Humidity 59%
Wind Speed N 15 G 22 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 May 11:54 am EDT
Extended Forecast for

Annapolis (U.S. Naval Academy) MD

  • This Afternoon

    This Afternoon: Showers likely, mainly before 2pm. Cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers, mainly after 1am. Cloudy, with a low around 55. Northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 64. East wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: Showers. Low around 53. East wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 5pm. High near 65. East wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Showers likely before 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely, mainly before 2pm. Cloudy, with a high near 66. Northeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly after 1am. Cloudy, with a low around 55. Northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Showers, mainly after 8am. High near 64. East wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers. Low around 53. East wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers, with thunderstorms also possible after 5pm. High near 65. East wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 57. Chance of precipitation is 90%.
Sunday
Showers likely before 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
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 80. Chance of precipitation is 30%.
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 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Annapolis (U.S. Naval Academy) MD
 38.97°N 76.49°W (Elev. 16 ft)
Last Update:
10:53 am EDT May 21, 2026
Forecast Valid:
12pm EDT May 21, 2026-6pm EDT May 27, 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