National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

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Last Map Update: Thu, Sep 17, 2026 at 9:42:27 pm CDT

Strong to severe thunderstorms are possible across northern and western Oklahoma late Saturday afternoon through Saturday evening with a threat for damaging wind gusts and hail.
Rain/storm chances becoming more widespread by Sunday as some areas could see localized heavy rainfall amounts
Temperatures returning to near seasonably normal for late September next week after this weekends cold front passage.
Hot and humid conditions continue through Saturday. A cold front with a chance of showers and thunderstorms arrives by the weekend.

Local Weather History For September 17th...
Scattered thunderstorms developed over western and northern Oklahoma
on this date in 2011. Many of the storms interacted with each other
and moved northeast into southern Kansas as a complex producing large
hail and very heavy rain. One storm, a supercell, remained discrete
and moved east and slightly southeast over far northern Oklahoma.
This maximized low-level wind shear to produce three brief tornadoes
over open country near Wakita, in Grant county.

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