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WINTER STORM WATCH
WINTER STORM WATCH ISSUED APRIL 21 AT 2:20PM MDT UNTIL APRIL 23 AT 6:00PM MDT
Effective: 2026-04-21 14:20:00 Local Time Expires: 2026-04-23 18:00:00 Local Time Issued by: NWS Great Falls MT
Alert Text
* WHAT...HEAVY, WET SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN5 AND 11 INCHES, WITH HIGHER AMOUNTS OVER THE MOUNTAIN PEAKS. WINDS COULD GUST AS HIGH AS 50 MPH, HIGHEST FOR NORTHERN AREAS.

* WHERE...BIG BELT, BRIDGER AND CASTLE MOUNTAINS, LITTLE BELT AND HIGHWOOD MOUNTAINS, AND GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS.

* WHEN...FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON.

* IMPACTS...EXPECT DIFFICULT DRIVING CONDITIONS DUE TO SLUSH OR SNOW COVERED ROADWAYS. FALLING AND OR BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITY BELOW A QUARTER MILE AT TIMES. TIRE CHAINS MAY BE REQUIRED FOR SOME VEHICLES IF TRAVELING THROUGH MOUNTAIN PASSES. THOSE WITH OUTDOOR PLANS SHOULD BE PREPARED FOR DANGEROUS OUTDOOR CONDITIONS.

* ADDITIONAL DETAILS...THE HEAVY, WET SNOW MAY CAUSE INSTANCES OF POWER OUTAGES AND OR TREE DAMAGE.
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Target Area
LITTLE BELT AND HIGHWOOD MOUNTAINS, BIG BELT, BRIDGER AND CASTLE MOUNTAINS, GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS
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Hazardous Weather Conditions

No active alerts for CHEVY CHASE, MARYLAND

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Clear

82.4 F
Humidity:40%
Wind Speed: 0.0 mph
Barometer:29.86 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:81.7 F
Wind Chill:NA
Apr 23 2026, 04:55 PM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Thursday

High 80 °F
Partly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 80 °F
Chance of T-storms
Friday
Night
Low 55 °F
Chance of Rain
Saturday

High 66 °F
T-storms
Saturday
Night
Low 50 °F
Rain
Sunday

High 64 °F
Rain Showers Likely
Sunday
Night
Low 46 °F
Partly Cloudy
Monday

High 68 °F
Slight Chance of Showers

Observation History for CHEVY CHASE, MARYLAND


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
04:55 PM EDT 0.0 10.00 Clear -- 82.4 55.4 40% NA 81.7 29.86 1011.2
04:35 PM EDT 0.0 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.86 1011.2
03:55 PM EDT 10.3 10.00 Partly Cloudy -- 80.6 57.2 45% NA 80.8 29.89 1012.2
03:35 PM EDT 0.0 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.89 1012.2
03:15 PM EDT W 8.1 10.00 Partly Cloudy -- 80.6 55.4 42% NA 80.6 29.90 1012.5
02:55 PM EDT NW 8.1 10.00 Partly Cloudy -- 80.6 55.4 42% NA 80.6 29.92 1013.2
02:35 PM EDT W 9.2 10.00 Clear -- 80.6 57.2 45% NA 80.8 29.94 1013.6
02:15 PM EDT 5.8 10.00 Clear -- 80.6 57.2 45% NA 80.8 29.94 1013.9
01:55 PM EDT NW 5.8 10.00 Clear -- 78.8 55.4 45% NA 78.4 29.95 1014.2
01:35 PM EDT W 10.3 10.00 Partly Cloudy -- 78.8 57.2 48% NA 78.6 29.95 1014.2
12:55 PM EDT 6.9 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.98 1015.2
12:35 PM EDT 8.1 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.98 1015.2
12:15 PM EDT 6.9 10.00 Clear -- 77.0 57.2 50% NA 76.8 29.99 1015.6
11:55 AM EDT 9.2 10.00 Clear -- 75.2 57.2 54% NA 75.0 30.00 1015.9
11:35 AM EDT 6.9 10.00 Clear -- 73.4 57.2 57% NA 73.0 30.00 1015.9
11:15 AM EDT 10.3 G 18.3 10.00 Clear -- 73.4 59.0 61% NA 73.2 30.01 1016.3
10:55 AM EDT 9.2 10.00 Clear -- 73.4 57.2 57% NA 73.0 30.01 1016.3
10:35 AM EDT NW 9.2 10.00 Clear -- 71.6 57.2 60% NA 71.2 30.01 1016.3
08:55 AM EDT NW 9.2 10.00 Clear -- 69.8 55.4 60% NA NA 30.01 1016.3
08:35 AM EDT NW 5.8 10.00 Clear -- NULL 55.4 % NA NA 30.01 1016.3
08:15 AM EDT 4.7 10.00 Clear -- 66.2 55.4 68% NA NA 30.01 1016.3
07:55 AM EDT 3.4 10.00 Partly Cloudy -- 64.4 53.6 68% NA NA 30.01 1016.3
07:35 AM EDT 0.0 10.00 Partly Cloudy -- 60.8 53.6 77% NA NA 30.00 1015.9
07:15 AM EDT 3.4 10.00 Clear -- 53.6 51.8 94% NA NA 30.00 1015.9

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Clear
82.4 F

FREDERICK (KFDK)

Clear
82.4 F

CARROLL CNTY (KDMW)

Partly Cloudy
84.2 F

NSF THURMONT (KRSP)

Clear
75.9 F

WASH DC/DULLES (KIAD)

Mostly Clear
82.4 F

WASHINGTON/NATL (KDCA)

Clear
82.4 F
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