The National Weather Service in Cheyenne has issued a

* Tornado Warning for...
  Southwestern Cheyenne County in the Panhandle of Nebraska...
  Southeastern Kimball County in the Panhandle of Nebraska...

* Until 600 PM MDT.

* At 534 PM MDT, a confirmed tornado was located near Kimball
  Airport, or 7 miles south of Kimball, moving southeast at 25 mph.

  HAZARD...Damaging tornado and baseball size hail.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without
           shelter. Mobile homes will be damaged or destroyed.
           Damage to roofs, windows, and vehicles will occur.  Tree
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  southwestern Cheyenne and southeastern Kimball Counties.

This includes Interstate 80 in Nebraska between mile markers 18 and
21.

The National Weather Service in Cheyenne has issued a

* Flash Flood Warning for...
  West central Cheyenne County in the Panhandle of Nebraska...
  Central Kimball County in the Panhandle of Nebraska...

* Until 1000 PM MDT.

* At 552 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Kimball, Dix, Oliver Campground, Oliver Reservoir, Kimball Airport
  and Bushnell.

Additional rainfall amounts of two to three inches are possible in
the warned area.

This includes Interstate 80 in Nebraska between mile markers 9 and
36.