Storm Center Update- Monday PM, May 27th


Memorial Day started off wet for most of KELOLAND, but showers quickly moved into Minnesota, leaving temperatures in the east at or just below 60. Western portions of South Dakota are still seeing a few spotty showers and cooler temperatures in the low 50s with a persistent flood watch still in effect. Wet conditions created a dense layer of fog today for most of Pennington County while dense air descending in the Sioux Falls area has allowed for some sunshine to peek through. Conditions should remain cool tonight for all of KELOLAND


Most models indicate very little chance of rain tonight in Sioux Falls. However, high resolution models show light rain moving through the early parts of tomorrow morning. This is associated with a warm front we’ve been monitoring in southern Nebraska. If the system moves further north, showers will increase. However, rainfall would still be sparse. Western South Dakota has a much better chance for rain with totals in the 1-2 inch range. Lows for the entire state will be just below 50. A strong pressure gradient near Sioux Falls in the wake of tonight’s low pressure system in Nebraska will cause winds to increase with gusts up to 40mph


Highs have been difficult to predict tomorrow, as some models have put us in the cold sector of the passing system while others keep us warm. Nevertheless, conditions will be in the 60s for eastern KELOLAND with cooler conditions in the west. Showers pass by during the evening hours and will persist into Wednesday before a warm up comes through. Very western portions of the state, however, may see rainfall totals on Tuesday reach nearly 3 inches.


As rainfall activity begins to die down throughout Wednesday, warm air that has been stuck in Alberta begins to surge through our area. Cloud cover begins to clear up with temperatures maxing out into the 80s over the weekend. Conditions should persist into the early parts of next week with partly cloudy skies and highs in the upper 70s.

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