National Weather Service United States Department of Commerce

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

This visible satellite image was taken at 900am PDT 9 Aug 00. Fires in central Idaho and southwest Montana generate huge amounts of smoke. This smoke was carried by the upper level winds across South Dakota and Nebraska, and into Iowa and Ilinois.

Visible satellite image showing smoke from western Montana fires extending into the Midwest

This image was taken at the same time as the above picture. Note the dense smoke filling in many of the valleys in central Idaho and southwest Montana.

Satellite image showing thick smoke in western Montana valleys