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Special Weather Statement SPECIAL WEATHER STATEMENT - Thurmont

National Radar Regional Radar
Radar/Satellite images courtesy of National Weather Service.
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METRIC | IMPERIAL
Updated: 04-Dec-2025 @ 8:35pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.6°F than last hour.

28.8°F

Wind Chill:  28.8°F
---
High Today
39.1°F
1:58 PM 		Low Today
28.4°F
8:23 PM
Yest High
38.9°F
2:30 PM 		Yest Low
26.1°F
5:47 AM
Night time, Dry Night time, Dry

Wind from E Wind:  E
0.4
Gusting to:
 1.0 mph
Current Snow SnowMelt:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
10.4 of 100
This
Afternoon
This Afternoon: Sunny
Sunny
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Friday

Friday: Chance Light Snow
Chance Light Snow
Hi 39°F Lo 15°F Hi 31°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1°F since last hour. 14.2°F
Last Hour: Decreased 1°F since last hour. -1.0°F
High 11:07 AM: 27.5°F
Low 8:20 PM: 13.3°F
Record High: 83.5°F on
16-Aug-2010
Record Low: -14.3°F on
20-Feb-2015
Wetbulb: 24.7°F
Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.82 in
Dec Rain: 0.82 in
Dec to Date
  Avg:10 		0.35 in
Dec to Date
  Diff from Avg:10 		Over 0.47 in for the month 0.47 in
Dec Avg: 5.00 in
Diff from Avg: Under 4.18 in for the month 4.18 in
Season:1 52.640 in
YTD
  Avg:11 		37.92 in
YTD
  Diff from Avg:11 		Over 14.72 in for the year 14.72 in
Last Rain
Time/Date: 		2-Dec-2025
at 11:56 AM
104 rain days in 2025
1 day in December
1 day since last rain
Current: E  0.4 mph
1Hr Average: 2.3 mph
Wind Run: 73.70 miles
Wind Gust
Current: 1.0 mph
Today: 24.2 mph 2:15 PM
Month: 24.0 mph 4-Dec
Year: 38.0 mph 16-Nov
Record Gust: 38.0 mph
16-Nov-2025
Sunlight:
9 h 31 m 56 s
of Sunlight Yesterday
9 h 30 m 51 s
of Sunlight Today Which is
1 min 5 sec shorter than
yesterday
9 h 29 m 50 s
of Sunlight Tomorrow
 (Noon ?>) graph (Midnight
 Legend

Full Moon
Full Moon, 14 days, 18 hours, 52 minutes in cycle
100%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 54%
Last Hour: Increased 1% since last hour. 1%
High 12:04 AM: 73%
Low 7:37 PM: 52%
Record High: 100%
12-Apr-2008
Record Low: 12%
11-Mar-2009
Current: Rising 2.4 inHg/hr 1025.3 inHg
Last Hour: Steady
High 8:20 PM: 1025.5
Low 5:11 AM: 1017.8
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: 27.1
Dec: 122.3
2025 to Date: 4002.4
Cooling Degree Days
2025 to Date: 797.0
Current: 28.8°F
Low 7:43 PM: 21.9°F
Yesterday: 16.2°F
Record: -26.0°F
20-Feb-2015
Quality
Index6:
61

Moderate
Density:
1.31 kg/m3
UV Summary/Forecast Solar Summary
High Today:   1.9 @ 12:24 PM
Dec-05

1.3 		Dec-06

1.4 		Dec-07

1.5
High Today:  
512 W/m2 @ 1:14 PM
Sun Hours Today:
02:36
   This Month: 12:51 Hrs
Rise: 7:05 am  Set: 4:28 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 54.7°F
Sunrise: 7:05 am
Sunset: 4:28 pm
Moonrise: 5:04 pm
Moonset: 8:07 am
Full Moon: 04-Dec-2025
New Moon: 01:44 UTC
19-Dec-2025
Updated at Midnight
Current ET: 0.03 in
7-Days Rain: 0.82 in
7-Days ET: 0.16 in
7-Day: 0.659 in water in excess of what evaporated in last 7 days. 0.659 in
December: 0.82 in water in excess of what evaporated this month. 0.82 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 4 of just the month of December for this station since 2009.   11 Historical average rain this season to day 4 of December for this station since 2009.
 NWS Weather Forecast  -   Outlook This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 39°F 		NWS forecast: Sunny. High near 39, with temperatures falling to around 31 in the afternoon. Northwest wind around 7 mph, with gusts as high as 18 mph.
WXSIM forecast: Fair to partly cloudy. Breezy. High 40°. Wind chill around 27. Wind west-northwest around 14 mph, gusting to 29 mph.
 Local station forecast: Mostly clear with little temp change. 		Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 15°F 		NWS forecast: Mostly cloudy, with a low around 15. North wind 1 to 6 mph.
WXSIM forecast: Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 21°. Wind northwest around 7 mph, gusting to 17 mph, in the evening, becoming northeast around 3 mph after midnight.
 NWS Short Term Weather Forecast
Friday

Friday: Chance Light Snow
Chance Light Snow
Friday
Night
Friday Night: Patchy Fog
Patchy Fog
Saturday

Saturday: Partly Sunny
Partly Sunny
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday

Sunday: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Slight Chance Light Rain
Slight Chance Light Rain
Monday

Monday: Mostly Sunny
Mostly Sunny
Hi 31°F Lo 22°F Hi 43°F Lo 26°F Hi 41°F Lo 25°F Hi 32°F
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