Northern Plains to the Northeast: Severe Storms, Snow, and a Wintry Mix

Snow chances, a rain/snow mix, and even severe storms are all in the forecast as our next upper-level low tracks from the Northern Plains into the Ohio Valley, beginning this afternoon and continuing through tomorrow.

North Central U.S.

Through tonight across Missouri, the Storm Prediction Center (SPC) has issued a MARGINAL risk (level 1 out of 5) for severe storms. A warm front will lift through the region this afternoon and evening, and along that boundary, hail-producing storms are expected to develop. Some may reach severe limits.

Farther north, on the cold side of the system, light snowfall is likely across portions of the Upper Midwest. At this time, accumulations appear minimal.

Ohio Valley

As the low shifts east on Tuesday, the SPC maintains a MARGINAL risk for severe weather along the same warm front across parts of Illinois, Indiana, Kentucky, and Tennessee. Most storms should be hail-producers, but an isolated tornado cannot be ruled out.

Here's a look at the timing, some of these storms will be ongoing from Monday night's weather, it's the same system moving through after all. As we start to run into more daytime heating tomorrow, the severe risk is focused on the areas highlighted above.

With temperatures hovering near freezing, expect a widespread rain/snow mix (“the pink” on forecast maps). Roads may be sloppy at times from Monday night through Tuesday night, but with relatively warm ground temperatures, most of the Ohio Valley and Mid-Atlantic should avoid significant accumulation.

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