Red Flag Warning issued April 20 at 4:59AM MDT until April 20 at 8:00PM MDT by NWS Rapid City SD

Detalhes

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MDT /NOON CDT/
THIS MORNING TO 8 PM MDT /9 PM CDT/ THIS EVENING FOR GUSTY WINDS
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 321,
322, 325, 326, 332, 333, 334, AND 335...

.Temperatures will reach into the upper 70s to mid 80s across
portions of northeastern Wyoming and southern South Dakota this
afternoon. Afternoon humidities will drop into the single digits
to low teens. The very warm and dry conditions in combination
with dry fuels and westerly winds gusting up to 30 mph will
support critical fire weather conditions this afternoon. Overnight
humidity recoveries will be poor (less than 55 percent) across
northeastern Wyoming into the Black Hills and southwestern South
Dakota tonight.

* AFFECTED AREA...Fire Weather Zones 315 Southern Campbell, 317
Weston County Plains, 321 Southern Black Hills, 322 Fall River
County Area, 325 Custer County Plains, 326 Pine Ridge Area,
332 Badlands Area, 333 Bennett County Area, 334 Mellette and
Todd Counties and 335 Tripp County.

* WINDS...West 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 8 percent.

* IMPACTS...The combination of dry fuels, low relative
humidities, gusty winds, and hot temperatures will produce
critical fire weather conditions. New fires could spread
rapidly.