A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >
May 2017 was generally near normal for both temperatures and precipitation across a large portion of our region. However, rainfall amounts were above normal across a good chunk of southeast Missouri into portions of southern Illinois, where rainfall totals ranged from 6 to 10 inches, with some isolated higher totals. This was around 2 to 5+ inches above normal. Temperatures were right near to slightly above normal. May marked the 12th consecutive month that temperatures were above normal in Paducah, KY and Evansville, IN. Due to excessive rainfall experienced at the end of April, major to record river flooding was ongoing on many area rivers at the beginning of the month. It took some time for river levels to fall on many of the rivers, with minor flooding still occurring at a few locations along the Mississippi and Ohio Rivers at the end of the month. The most notable severe weather outbreak occurred on May 27th, with hail up to baseball sized and winds of 70-80 mph in several locations.
| May 2017 Review: Precipitation and Temperature Maps |
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| Climate Maps are from the Northeast Regional Climate Center |
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