Spot Forecast
Issued by NWS Sterling, VA

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Spot Forecast for Building Evacuation...Office of Emergency Management & Homeland
National Weather Service Baltimore MD/Washington DC
917 PM EDT Sun Oct 12 2025

Forecast is based on forecast start time of 2100 EDT on October 12.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

An area of low pressure near the Carolina coast will lift north
toward the Delmarva through Monday. Intermittent showers and
drizzle as well as gusty winds will continue through Monday. As
this system departs offshore, dry and seasonable conditions return
midweek. A dry cold front will cross Wednesday, with Canadian
high pressure bringing a return to below normal temperatures
through Friday.

.REST OF TONIGHT...

Sky/weather.........Cloudy (90-100 percent). Slight chance of rain
                    showers in the late evening and overnight.
                    Patchy drizzle through the night. Chance of
                    rain showers overnight.
Chance of pcpn......50 percent.
Chance of thunder...1 percent.
Min temperature.....Around 55.
Max humidity........100 percent.
Surface winds (mph).North winds 12 to 13 mph with gusts to around
                    28 mph.

TIME (EDT)      9 PM   11 PM  1 AM   3 AM   5 AM
Sky (%).........96     96     93     95     96
Weather cov.....S CHC  S CHC  S CHC  CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).20     20     20     30     50
Chc of thdr (%).0      0      0      0      0
Temp............57     57     57     57     56
RH..............93     96     93     90     90
Surface wind....NE 13  N 12   N 12   N 12   N 13
Surface wnd gst.28     28     25     25     26

.COLUMBUS DAY...

Sky/weather.........Cloudy (90-100 percent). Chance of rain showers
                    and patchy drizzle in the morning. Rain showers
                    likely late in the morning, then chance of rain
                    showers and patchy drizzle late in the
                    afternoon. Patchy fog late in the morning.
Chance of pcpn......60 percent.
Chance of thunder...2 percent.
Max temperature.....Around 59.
Min humidity........90 percent.
Surface winds (mph).North winds 13 to 15 mph with gusts to around
                    28 mph.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........94  92  91  89  93  93  96  97  98  97  95  97
Weather cov.....CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY LKY CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).50  50  50  50  50  60  60  60  60  60  60  40
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............56  56  55  57  57  58  58  58  58  59  59  58
RH..............90  90  96  96  96  96  93  93  96  93  93  93
Surface wnd dir.N   N   N   N   N   N   N   N   N   N   N   N
Surface wnd spd.13  13  13  14  15  15  15  15  14  14  14  14
Surface wnd gst.25  25  25  25  26  26  26  26  26  26  28  28

$$
Forecaster...Witt
Requested by...Zach Estess
Type of request...OTHER
.TAG 2523485.0/LWX
.DELDT 10/12/25
.FormatterVersion 2.0.0
.EMAIL Zachary.Estess@montgomerycountymd.gov