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Winter Storm Watch WINTER STORM WATCH - Thurmont

National Radar Regional Radar
Radar/Satellite images courtesy of National Weather Service.
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The WXSIM forecast is not currently available.

METRIC | IMPERIAL
Updated: 18-Jan-2025 @ 12:00am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.2°F than last hour.

30.9°F

Wind Chill:  30.9°F
---
High Today
-148.0°F
2:42 PM 		Low Today
212.0°F
12:00 AM
Yest High
40.0°F
2:42 PM 		Yest Low
30.2°F
12:00 AM
Night time, Dry Night time, Dry

Wind from SW Wind:  SW
3.1
Gusting to:
 1.0 mph
Current Snow SnowMelt:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
1.7 of 100
Overnight

Overnight: Mostly Cloudy
Mostly Cloudy
Saturday

Saturday: Slight Chance Snow Showers then Chance Rain Showers
Slight Chance Snow Showers then Chance Rain Showers
Saturday
Night
Saturday Night: Mostly Cloudy then Chance Rain And Snow
Mostly Cloudy then Chance Rain And Snow
Lo 29°F Hi 42°F Lo 29°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.4°F since last hour. 22.3°F
Last Hour: Increased 0.4°F since last hour. +0.4°F
High&nbsp10:47 AM: 27.6°F
Low 12:45 PM: 19.8°F
Record High: 83.5°F on
16-Aug-2010
Record Low: -14.3°F on
20-Feb-2015
Wetbulb: 28.1°F
Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.05 in
Jan Rain: 0.35 in
Jan to Date
  Avg:10 		1.97 in
Jan to Date
  Diff from Avg:10 		Under 1.62 in for the month 1.62 in
Jan Avg: 2.35 in
Diff from Avg: Under 2 in for the month 2.00 in
Season:1 0.350 in
YTD
  Avg:11 		1.97 in
YTD
  Diff from Avg:11 		Under 1.62 in for the year 1.62 in
Last Rain
Time/Date: 		11-Jan-2025
at 2:39 AM
2 rain days in 2025
2 days in January
6 days since last rain
Current: SW  3.1 mph
1Hr Average: 2.7 mph
Wind Run: 0.06 miles
Wind Gust
Current: 1.0 mph
Today: 0.0 mph 2:20 AM
Month: 38.0 mph 4-Jan
Year: 38.0 mph 4-Jan
Record Gust: 234.9 mph
23-May-2014
Sunlight:
9 h 47 m 39 s
of Sunlight Yesterday
9 h 49 m 15 s
of Sunlight Today Which is
1 min 36 sec longer than
yesterday
9 h 50 m 54 s
of Sunlight Tomorrow
 (Noon ?>) graph (Midnight
 Legend

Waning Gibbous
Waning Gibbous, 18 days, 6 hours, 37 minutes in cycle
83%
Illuminated
Humidity Barometer
Current: Increased 2% since last hour. 70%
Last Hour: Increased 2% since last hour. 2%
High&nbsp12:00 AM: 0%
Low 12:44 PM: 101%
Record High: 100%
12-Apr-2008
Record Low: 12%
11-Mar-2009
Current: Falling 1 inHg/hr 1018.1 inHg
Last Hour: Falling slowly
High&nbsp10:18 AM: 1022.3
Low 12:00 AM: 1014.5
Record High: 1079.1 inHg
1-Mar-2015
Record Low: 964.5 inHg
30-Oct-2012
Heating Degree Days Coming Soon Wind Chill Air
Today: 31.8
Jan: 646.2
2025 to Date: 645.2
Cooling Degree Days
2025 to Date: 0.0
Current: 30.9°F
Low 2:20 AM: 17.5°F
Yesterday: 17.5°F
Record: -26.0°F
20-Feb-2015
Quality
Index6:
57

Moderate
Density:
1.30 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   2.5 @ 12:09 PM
Jan-18

1.6 		Jan-19

1.7 		Jan-20

1.5
High Yest:   527.0 @ 2:12 PM
Sun Hours Today:
00:00
   This Month: 43:16 Hrs
Rise: 7:16 am  Set: 4:57 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 27.3°F
Sunrise: 7:16 am
Sunset: 4:57 pm
Moonrise: 9:03 pm
Moonset: 9:50 am
Full Moon: 13-Jan-2025
New Moon: 12:37 UTC
29-Jan-2025
Updated at Midnight
Current ET: 0.02 in
7-Days Rain: 0.05 in
7-Days ET: 0.17 in
7-Day: 0.119 in water in deficit of what evaporated in last 7 days. 0.119 in
January: 0.34 in water in deficit of what evaporated this month. 0.34 in
HIGHS: LOWS:
97.3°F
13-Aug-2021 		-2.7°F
7-Jan-2014
Daytime Records
  90.3°F°F
20-Jul-2020 		  3.9°F°F
07-Jan-2014
Nitetime Records
  87.3°F°F
20-Jul-2020 		  3.9°F°F
20-Feb-2015
ICN:1 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   10 Historical average only to day 18 of just the month of January for this station since 2009.   11 Historical average rain this season to day 18 of January for this station since 2009.
 NWS Weather Forecast  -   Outlook Overnight & Saturday
Overnight

Overnight: Mostly Cloudy
Mostly Cloudy

Lo 29°F 		NWS forecast: Mostly cloudy, with a low around 29. South wind around 8 mph.
Local station forecast: Increasing clouds with little temp change, precipitation possible within 24 to 48 hrs. 		Saturday

Saturday: Slight Chance Snow Showers then Chance Rain Showers
Slight Chance Snow Showers then Chance Rain Showers

Hi 42°F 		NWS forecast: A slight chance of snow showers between 8am and 9am, then a chance of rain showers between 9am and 4pm. Cloudy, with a high near 42. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
 NWS Short Term Weather Forecast
Saturday
Night
Saturday Night: Mostly Cloudy then Chance Rain And Snow
Mostly Cloudy then Chance Rain And Snow
Sunday

Sunday: Heavy Snow
Heavy Snow
Sunday
Night
Sunday Night: Snow Likely then Partly Cloudy
Snow Likely then Partly Cloudy
M.L. King
Jr. Day
M.L. King Jr. Day: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Tuesday
Night
Tuesday Night: Chance Light Snow
Chance Light Snow
Lo 29°F Hi 31°F Lo 15°F Hi 18°F Lo 3°F Hi 17°F Lo 2°F
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