819
FNUS71 KLWX 252317
FWSLWX

Spot Forecast for Potential Building Evacuation...Montgomery County MD - Office of Emergency
National Weather Service Baltimore MD/Washington DC
617 PM EST Sun Jan 25 2026

Forecast is based on forecast start time of 1900 EST on January 25.
If conditions become unrepresentative...contact the National Weather
Service.

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

.DISCUSSION...

Heavy sleet, mixed with freezing rain, continues this evening
for the next couple of hours. Precipitation should sharply come
to and end between 10 PM and midnight, with perhaps some freezing
drizzle lingering around to just after midnight. Winter Storm
Warnings remain in effect until 4 AM at this time.

Becoming very cold Monday, and especially Monday night, in the
wake of this winter storm.

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    partly cloudy (40-50 percent). Light freezing
                    rain and light sleet early in the evening.
Clearing out near midnight.
Chance of pcpn......100 percent.
Chance of thunder...0 percent.
Min temperature.....Around 19.
Max humidity........100 percent.
Surface winds (mph).Light winds becoming northwest 6 to 8 mph after
                    3 am.

TIME (EST)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........96  96  97  95  82  56  54  49  45  38  42
Weather cov.....DEF CHC CHC SCH
Weather type....FZR FZR FZR FZR
Tstm cov........
Chc of pcpn (%).90  50  40  20  10  10  10  10  10  10  10
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0
Temp............23  23  24  24  25  24  22  22  21  20  20
RH..............100 100 100 100 96  92  96  92  96  96  96
Surface wnd dir.N   N   W   W   NW  W   NW  NW  NW  NW  NW
Surface wnd spd.3   3   3   3   3   3   3   3   6   6   8
Surface wnd gst.8   8   8   8   8   7   7   9   12  15  16

.MONDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 26.
Min humidity........62 percent.
Surface winds (mph).Northwest winds 10 to 15 mph. Gusts up to 30
                    mph.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........35  44  41  41  44  36  31  34  37  39  34  22
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............20  19  21  23  24  24  25  25  25  25  24  23
RH..............88  92  81  77  74  74  71  68  68  65  65  62
Surface wnd dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W   W
Surface wnd spd.9   10  13  14  14  15  15  15  15  15  15  14
Surface wnd gst.18  20  22  24  26  28  28  28  28  28  26  24

.MONDAY NIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 3 above.
Max humidity........83 percent.
Surface winds (mph).West winds 7 to 13 mph.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........18  13  9   8   7   6   6   5   5   5   5   6
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............20  19  16  15  14  13  11  10  9   8   7   5
RH..............67  67  73  73  73  73  80  80  80  79  79  83
Surface wnd dir.W   W   W   W   W   W   W   W   W   W   W   W
Surface wnd spd.13  10  10  10  10  9   8   8   8   7   7   7
Surface wnd gst.23  21  20  20  20  18  18  17  17  16  16  15

$$
Forecaster...Ledbetter
Requested by...Matthias Miziorko
Type of request...SAR
.TAG 2601022.0/LWX
.DELDT 01/25/26
.FormatterVersion 2.0.0
.EMAIL matthias.miziorko@montgomerycountymd.gov