National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall in the Plains

Severe thunderstorms will be possible over parts of the northern Plains today through Thursday which could bring large hail, damaging winds, and possible tornadoes. Today and Wednesday, thunderstorms with heavy to excessive rainfall may produce flooding over parts of the southern High Plains. North Dakota could also see heavy to excessive rainfall today. Read More >


The following graphics depict the number of days that a given site has reached 90 degrees or more this year (on the x-axis) and the annual precipitation to date (on the y-axis). Also included are prior years, color coded by decade, and the 10th, 25th, 50th (i.e., median), 75th, and 90th percentiles for each variable. These graphics show us how hot and dry (or cool and wet) the current year is compared to the period of record and may be useful in drought monitoring.

Many of these sites are maintained by cooperative observers, a program which you can learn more about here. We are in the process of quality controlling past data, so some of these values are subject to change. To view the percentiles, hover over a location on the left after choosing the desired region of interest along the top of the page. Data courtesy of the Applied Climate Information System.