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

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Overcast

67°F

19°C

Humidity 87%
Wind Speed N 7 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 May 5:54 am EDT
Extended Forecast for

Hanover MDSimilar City Names

  • Today

    Today: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 63. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Cloudy, with a low around 53. Northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 62. East wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers. Low around 49. East wind 8 to 11 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: 49 °F

    Showers

  • Saturday

    Saturday: Showers. High near 61. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 63. Northeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 10pm. Cloudy, with a low around 53. Northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly after 8am. High near 62. East wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers. Low around 49. East wind 8 to 11 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. High near 61. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 53. Chance of precipitation is 90%.
Sunday
A chance of showers before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hanover MDSimilar City Names
 39.17°N 76.72°W (Elev. 102 ft)
Last Update:
4:53 am EDT May 21, 2026
Forecast Valid:
6am 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