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RED FLAG WARNING
RED FLAG WARNING ISSUED APRIL 20 AT 1:35AM CDT UNTIL APRIL 20 AT 8:00PM CDT
Effective: 2026-04-20 01:35:00 Local Time Expires: 2026-04-20 20:00:00 Local Time Issued by: NWS Sioux Falls SD
Alert Text
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAGWARNING FOR WIND AND LOW RELATIVE HUMIDITY, WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN MINNESOTA, LINCOLN, LYON, MURRAY, COTTONWOOD, NOBLES, JACKSON AND PIPESTONE. IN SOUTH DAKOTA, BROOKINGS.

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 PERCENT.

* IMPACTS...ANY FIRE THAT DEVELOPS WILL CATCH AND SPREAD QUICKLY. OUTDOOR BURNING IS NOT RECOMMENDED.
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Target Area
LINCOLN, LYON, MURRAY, COTTONWOOD, NOBLES, JACKSON, PIPESTONE, BROOKINGS
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Storm Reports

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Storm report data provided by WxData.com

Hazardous Weather Conditions

Freeze Watch issued April 18 at 11:59PM EDT until April 21 at 10:00AM EDT
Freeze Watch issued April 19 at 8:38AM EDT until April 21 at 10:00AM EDT
Freeze Watch issued April 19 at 1:20PM EDT until April 21 at 10:00AM EDT
Freeze Watch issued April 19 at 9:13PM EDT until April 21 at 10:00AM EDT
Freeze Warning issued April 19 at 11:35PM EDT until April 21 at 10:00AM EDT

Current Conditions: CHEVY CHASE, MARYLAND

LEESBURG/GODFREY (KJYO)

Cloudy

46.4 F
Humidity:66%
Wind Speed:W 11.4 G 18.3 mph
Barometer:30.16 in
Dewpoint:35.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:41.0 F
Apr 20 2026, 04:35 AM EDT
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5 Day Forecast for CHEVY CHASE, MARYLAND (20815)

Monday

High 55 °F
Slight Chance of Rain Showers
Monday
Night
Low 32 °F
Mostly Clear
Tuesday

High 62 °F
Mostly Sunny
Tuesday
Night
Low 50 °F
Chance of Rain
Wednesday

High 73 °F
T-storms Likely
Wednesday
Night
Low 51 °F
Partly Cloudy
Thursday

High 78 °F
Mostly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 82 °F
Mostly Sunny

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)
04:35 AM EDT W 11.4 G 18.3 10.00 Cloudy -- 46.4 35.6 66% 41.0 NA 30.16 1021.3
04:15 AM EDT G 24.2 10.00 Light Drizzle -- 46.4 35.6 66% NA NA 30.16 1021.3
03:55 AM EDT G 28.9 10.00 Light Rain -- 46.4 35.6 66% NA NA 30.15 1021.0
03:35 AM EDT 9.2 10.00 Cloudy -- 44.6 35.6 70% 39.7 NA 30.15 1021.0
03:15 AM EDT NW 3.4 10.00 Cloudy -- 44.6 35.6 70% 43.2 NA 30.15 1021.0
02:55 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.14 1020.7
02:35 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.15 1021.0
02:15 AM EDT 0.0 10.00 Cloudy -- 42.8 37.4 81% NA NA 30.16 1021.3
01:55 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.15 1021.0
01:35 AM EDT 0.0 10.00 Mostly Cloudy -- 42.8 33.8 70% NA NA 30.16 1021.3
01:15 AM EDT 0.0 10.00 Mostly Cloudy -- 42.8 33.8 70% NA NA 30.15 1021.0
12:55 AM EDT 0.0 10.00 Cloudy -- 42.8 35.6 76% NA NA 30.16 1021.3
12:35 AM EDT W 3.4 10.00 Cloudy -- 41.0 35.6 81% 39.0 NA 30.16 1021.3
12:15 AM EDT 0.0 10.00 Cloudy -- 41.0 33.8 75% NA NA 30.15 1021.0
11:55 PM EDT 0.0 10.00 Mostly Cloudy -- 41.0 33.8 75% NA NA 30.15 1021.0
11:35 PM EDT 0.0 10.00 Partly Cloudy -- 37.4 33.8 87% NA NA 30.15 1021.0
11:15 PM EDT 0.0 10.00 Clear -- 41.0 33.8 75% NA NA 30.15 1021.0
10:55 PM EDT 0.0 10.00 Clear -- 41.0 32.0 70% NA NA 30.15 1021.0
10:35 PM EDT 0.0 10.00 Clear -- 42.8 32.0 65% NA NA 30.14 1020.7
10:15 PM EDT 0.0 10.00 Clear -- 44.6 32.0 61% NA NA 30.14 1020.7
09:55 PM EDT 0.0 10.00 Clear -- 44.6 30.2 57% NA NA 30.13 1020.3
09:35 PM EDT 0.0 10.00 Clear -- 46.4 32.0 57% NA NA 30.12 1020.0
09:15 PM EDT NW 3.4 10.00 Clear -- 48.2 30.2 50% 47.3 NA 30.12 1020.0
08:55 PM EDT 3.4 10.00 Clear -- 50.0 28.4 43% NA NA 30.12 1019.7

Regional Weather Observation

LEESBURG/GODFREY (KJYO)

Cloudy
46.4 F

FREDERICK (KFDK)

Cloudy
39.9 F

CARROLL CNTY (KDMW)

Mostly Cloudy
42.8 F

NSF THURMONT (KRSP)

Mostly Cloudy
39.0 F

WASH DC/DULLES (KIAD)

Cloudy
46.4 F

WASHINGTON/NATL (KDCA)

Cloudy
46.4 F
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