Winter Weather Advisory WINTER WEATHER ADVISORY - Thurmont

National Radar Regional Radar
Radar/Satellite images courtesy of National Weather Service.
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METRIC | IMPERIAL
Updated: 02-Mar-2026 @ 10:40pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 0.1°F than last hour.

27.4°F

Wind Chill:  25.9°F
---
High Today
31.6°F
12:15 AM
Low Today
24.6°F
6:47 AM
Yest High
47.8°F
3:09 PM
Yest Low
30.4°F
9:53 PM
Night time, Dry Night time, Dry

Wind from S Wind:  S
2.0

Gusting to:
2.0 mph
Current Snow SnowMelt:
0.01 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.2 of 100
Tonight

Tonight: Cloudy then Chance Light Snow
Cloudy then Chance Light Snow
Tuesday

Tuesday: Light Snow then Light Rain
Light Snow then Light Rain
Tuesday
Night
Tuesday Night: Light Rain
Light Rain
Lo 28°F Hi 46°F Lo 40°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.3°F since last hour. 24.9°F
Last Hour: Increased 0.3°F since last hour. +0.3°F
High 10:20 PM: 25.0°F
Low 12:34 AM: 10.4°F
Record High: 83.5°F on
16-Aug-2010
Record Low: -14.3°F on
20-Feb-2015
Wetbulb: 26.6°F
Melt Today: 0.01 in
Yesterday: 0.00 in
Last 7 Days: 0.08 in
Mar Rain: 0.01 in
Mar to Date
  Avg:10
0.15 in
Mar to Date
  Diff from Avg:10
Under 0.14 in for the month 0.14 in
Mar Avg: 2.65 in
Diff from Avg: Under 2.64 in for the month 2.64 in
Season:1 3.900 in
YTD
  Avg:11
4.55 in
YTD
  Diff from Avg:11
Under 0.65 in for the year 0.65 in
Last Rain
Time/Date:
2-Mar-2026
at 2:55 PM
12 rain days in 2026
1 day in March
0 days since last rain
Current: S  2.0 mph
1Hr Average: 1.1 mph
Wind Run: 32.85 miles
Wind Gust
Current: 2.0 mph
Today: 10.4 mph 1:07 AM
Month: 15.0 mph 1-Mar
Year: 36.0 mph 7-Feb
Record Gust: 40.3 mph
19-Dec-2025
Sunlight:
11 h 19 m 35 s
of Sunlight Yesterday
11 h 22 m 9 s
of Sunlight Today
Which is
2 min 34 sec longer than
yesterday
11 h 24 m 44 s
of Sunlight Tomorrow
(Noon ?>) graph (Midnight
Legend

Full Moon
Full Moon, 13 days, 15 hours, 40 minutes in cycle
100%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 90%
Last Hour: Increased 1% since last hour. 1%
High 8:10 PM: 90%
Low 12:07 AM: 42%
Record High: 100%
12-Apr-2008
Record Low: 12%
11-Mar-2009
Current: No Change 1036.7 inHg
Last Hour: Steady
High 11:33 AM: 1038.1
Low 12:01 AM: 1031.6
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: 34.5
Mar: 58.3
2026 to Date: 2067.2
Cooling Degree Days
2026 to Date: 0.0
Current: 25.9°F
Low 6:55 AM: 14.7°F
Yesterday: 22.4°F
Record: -26.0°F
20-Feb-2015
Quality
Index6:

35


Good
Density:
1.33 kg/m3
UV Summary/Forecast Solar Summary
High Today:   1.9 @ 9:54 AM
Mar-03

3.2
Mar-04

3.5
Mar-05

4.1
High Today:  
360 W/m2 @ 9:56 AM
Sun Hours Today:
00:00
   This Month: 05:43 Hrs
Rise: 6:26 am  Set: 5:49 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 30.5°F
Sunrise: 6:26 am
Sunset: 5:49 pm
Moonrise: 6:22 pm
Moonset: 6:29 am
Full Moon: 03-Mar-2026
New Moon: 01:24 UTC
18-Mar-2026
Updated at Midnight
Current ET: 0.02 in
7-Days Rain: 0.08 in
7-Days ET: 0.34 in
7-Day:  0.255 in water in deficit of what evaporated in last 7 days. 0.255 in
March:  0.01 in water in excess of what evaporated this month. 0.01 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 2 of just the month of March for this station since 2008.   11 Historical average rain this season to day 2 of March for this station since 2008.
 NWS Weather Forecast  -   Outlook Tonight & Tuesday
Tonight

Tonight: Cloudy then Chance Light Snow
Cloudy then Chance Light Snow

Lo 28°F
NWS forecast: A slight chance of snow between midnight and 1am, then a chance of snow and a slight chance of freezing rain between 1am and 3am, then snow and freezing rain and a chance of sleet. Cloudy, with a low around 28. Southeast wind around 2 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible. Little or no ice accumulation expected.
WXSIM forecast: Cloudy in the evening, becoming dense overcast after midnight. A slight chance of snow in the evening, then a chance of snow after midnight. Low 29°. Wind southeast around 3 mph. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about a quarter inch.
Local station forecast: Partly cloudy with little temp change.
Tuesday

Tuesday: Light Snow then Light Rain
Light Snow then Light Rain

Hi 46°F
NWS forecast: Snow and freezing rain before 7am, then rain. Cloudy, with a high near 46. Southeast wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible. Little or no ice accumulation expected.
WXSIM forecast: Dense overcast. A mix of sleet, freezing rain, and snow likely in the morning, then a chance of a mix of freezing rain and rain in the afternoon. High 34°. Wind southeast around 3 mph. Chance of precipitation 70 percent. Precipitation (liquid equivalent) mostly around a quarter of an inch. No snow or ice (on ground) accumulation expected. Above-ground freezing rain accumulation up to 0.1 inches.
 NWS Short Term Weather Forecast
Tuesday
Night
Tuesday Night: Light Rain
Light Rain
Wednesday

Wednesday: Light Rain Likely
Light Rain Likely
Wednesday
Night
Wednesday Night: Light Rain Likely
Light Rain Likely
Thursday

Thursday: Light Rain Likely
Light Rain Likely
Thursday
Night
Thursday Night: Light Rain Likely
Light Rain Likely
Friday

Friday: Light Rain Likely
Light Rain Likely
Friday
Night
Friday Night: Slight Chance Light Rain
Slight Chance Light Rain
Lo 40°F Hi 55°F Lo 46°F Hi 67°F Lo 54°F Hi 72°F Lo 52°F
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