National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

 
 

Forecast High Temperatures

Day 1 Max Temp Day 2 Max Temp Day 3 Max Temp


Forecast Heat Index Values

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525
WWUS73 KJKL 211254
NPWJKL

URGENT - WEATHER MESSAGE
National Weather Service Jackson KY
854 AM EDT Tue Apr 21 2026

KYZ052-086>088-104-106>120-211400-
/O.EXP.KJKL.FZ.W.0004.000000T0000Z-260421T1300Z/
Rowan-Knox-Bell-Harlan-Elliott-Morgan-Johnson-Wolfe-Magoffin-
Floyd-Lee-Breathitt-Knott-Owsley-Perry-Clay-Leslie-Letcher-Martin-
Pike-
Including the cities of Pineville, Coal Run, Wheelwright,
Prestonsburg, Barbourville, Inez, Jackson, Campton, Sandy Hook,
Elkhorn City, Hyden, Whitesburg, Salyersville, Pippa Passes,
Manchester, Cumberland, Morehead, Pikeville, Hindman,
Beattyville, South Williamson, Hazard, Booneville, Middlesboro,
West Liberty, Harlan, Paintsville, and Jenkins
854 AM EDT Tue Apr 21 2026

...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING...

The threat has ended. Valley temperatures are quickly warming into
the 40s this morning.

$$

KYZ044-050-051-058>060-069-080-085-211400-
/O.EXP.KJKL.FR.Y.0006.000000T0000Z-260421T1300Z/
Fleming-Montgomery-Bath-Estill-Powell-Menifee-Jackson-Laurel-
Whitley-
Including the cities of Corbin, Irvine, Clay City, Owingsville,
Mount Sterling, London, Williamsburg, Stanton, Frenchburg, McKee,
Ravenna, Annville, Camargo, Flemingsburg, and Jeffersonville
854 AM EDT Tue Apr 21 2026

...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING...

The threat has ended. Valley temperatures are quickly warming into
the 40s this morning.

$$

MARCUS/FAGAN



                

 

Heat Safety Information

 
For additional heat safety information, go to https://www.weather.gov/safety/heat.