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

Phillips Army Air Field / Aberdeen (KAPG)

Lat: 39.47°NLon: 76.17°WElev: 59ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Perryman MD

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 58. North wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 65. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 2am. Cloudy, with a low around 52. Northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 2pm. Cloudy, with a high near 64. East wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 48. East wind around 10 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers. High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 58. North wind around 6 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 and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 65. Northeast wind around 10 mph, with gusts as high as 18 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
A chance of showers, mainly before 2am. Cloudy, with a low around 52. Northeast wind around 6 mph. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 2pm. Cloudy, with a high near 64. East wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 48. East wind around 10 mph. Chance of precipitation is 80%.
Saturday
Showers. High near 63. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 51. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Perryman MD
 39.47°N 76.2°W (Elev. 30 ft)
Last Update:
10:53 pm EDT May 20, 2026
Forecast Valid:
1am 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