South Dakota, , Wyoming Red Flag Warning | Effective 04/21/2026 20:36
...RED FLAG WARNING IN EFFECT LATE WEDNESDAY MORNING THROUGH
EARLY EVENING ACROSS NORTHEASTERN WYOMING AND WESTERN SOUTH
DAKOTA...
.Hot, dry, and windy conditions will support widespread critical
fire weather conditions Wednesday, mainly in the afternoon and
evening. Temperatures tomorrow will range from the 80s to mid 90s
with minimum humidities dropping to as low as 9%. Meanwhile,
southwesterly winds will increase through the morning as a cold