National Weather Service United States Department of Commerce

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Temperatures in the mid 90s to low triple digits combined with dewpoints in the 60s will produce heat indices of 100 to 104 degrees from the James Valley west this afternoon.
There is a slight risk (level 2 of 5) for most of the forecast area north of I-90 to see severe thunderstorms. Storms will move into central SD this evening and spread east overnight. While large hail and strong winds will be possible initially, as the evening progresses, the main threat becomes strong winds of 65 to 75 mph.
There is elevated fire danger Monday, mainly over central SD, due to gusty northwesterly winds, warm and dry conditions, and abundant dry grasses brush. Avoid brush and grass burning, follow local burn bans, use extra caution with heavy machinery and farming equipment, and do not carelessly discard cigarettes.