This is a temp page. The links all work and will be very useful to you, it just isn't very pretty at the moment.
For all maps, roll the mouse over the map or locations on the maps to bring up useful information

Rivers and Regions of the Plains
"Siouxland" & More
Colorado upslope wind patterns, foci for thunderstorm development
Northern Plains and Southern Canada
Google Map of Northern Plains and the Prairie Provinces

State by State Cities and Features
(a clickable imagemap will be put below this)

Colorado (CO)
Iowa, Missoouri, and Illinois (IA, MO, & IL)
Kansas (KS)
Nebraska (NE)
New Mexico (NM)
North Dakota (ND)
Oklahoma (OK)
South Dakota (SD)
Texas (TX)
Wyoming (WY)