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Keystone, SD Severe Weather Alertstar_ratehome

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Fire Weather Watch
Issued: 7:36 AM Apr. 21, 2026 – National Weather Service
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 314, 315, 316, 317, 318, 319, 320, 321, 322,
323, 324, 325, 326, 327, 329, 330, 331, 332, 333, 334, AND 335...

The National Weather Service in Rapid City has issued a Fire
Weather Watch for gusty winds and low relative humidity, which is
in effect from Wednesday afternoon through Wednesday evening.

* AFFECTED AREA...Fire Weather Zones 314 Northern Campbell, 315
Southern Campbell, 316 Crook County Plains, 317 Weston County
Plains, 318 Wyoming Black Hills, 319 Northern Black Hills, 320
Central Black Hills, 321 Southern Black Hills, 322 Fall River
County Area, 323 Northern Foot Hills, 324 Eastern Foot Hills,
325 Custer County Plains, 326 Pine Ridge Area, 327 Butte
County Area, 329 West Central Plains, 330 Ziebach County, 331
Haakon County Area, 332 Badlands Area, 333 Bennett County
Area, 334 Mellette and Todd Counties and 335 Tripp County.

* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 10 percent.

* IMPACTS...The combination of gusty winds and low relative
humidity would produce critical fire weather conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

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