Severe Thunderstorms and Possible Flooding in the East; Extreme Heat in the West.

Scattered severe storms with wind damage, large hail, and a few tornadoes will be possible this afternoon and evening across much of the Mid Atlantic and Southeast. Heavy rain may cause instances of flash flooding from eastern Kentucky to southern New York. Out west, dangerous heat will develop through Saturday, with record-breaking temperatures expected. Read More >

The National Weather Service
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Forecast | Monitoring & Reporting | Safety

Cooler but very dry and windy conditions will prevail across south and central Wyoming on Saturday behind Friday's cold frontal passage. These conditions result in high to extreme fire danger, especially across Johnson and Natrona counties and the southern Bighorn Mountains where Red Flag Warnings remain in effect until 9 pm Saturday. Any fires that develop in these areas will likely spread rapidly. Outdoor burning is strongly discouraged. Learn before you burn.

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Red Flag Warnings (lavender shaded areas) for portions of central Wyoming continue until 9 pm Saturday.

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Minimum Relative Humidity. A cooler but very dry airmass will prevail over the area Saturday behind Friday's cold frontal passage. Mimimum relative humidity of 8-15% combined with gusty west wind will be favorable conditions for rapid fire growth of any existing fires or hotspots Saturday afternoon.

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Severe Thunderstorms and Possible Flooding in the East; Extreme Heat in the West.

High Fire Danger Friday and Saturday