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

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

N/A

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

3 Miles S Street MD

  • Overnight

    Overnight: Showers likely, mainly before 2am.  Cloudy, with a low around 56. North wind around 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 62. North wind around 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 11pm.  Cloudy, with a low around 51. Northeast wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    Showers then
    Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm.  Cloudy, with a high near 63. East wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers.  Low around 47. East wind 7 to 9 mph.  Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers.  Cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly before 2am. Cloudy, with a low around 56. North wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 62. North wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers before 11pm. Cloudy, with a low around 51. Northeast wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
Showers likely, mainly after 2pm. Cloudy, with a high near 63. East wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 47. East wind 7 to 9 mph. Chance of precipitation is 80%.
Saturday
Showers. High near 60. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 50. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Cloudy, with a low around 57. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
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 79. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Street MD
 39.62°N 76.35°W (Elev. 272 ft)
10:53 pm EDT May 20, 2026
1am EDT May 21, 2026-6pm EDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database