Storm Center Update Friday PM – August 18


Thunderstorms are making their way through northeast South Dakota early this afternoon and they are projected to move into western Minnesota. Some of these storms may be strong to severe with strong wind gusts and large hail being the main threats. The overnight, however, will be clear and quiet with lows dipping into the 50s to near 60°.

Most of the weekend is looking dry with sunny skies. Temperatures will warm to highs ranging in the middle to upper 80s in eastern KELOLAND with low to mid-90s in the west. Highs like that are close to or above the climate average for mid-August. For some of us, it will be the first time with an above average high since August 1st!

Sunday will be a mostly sunny day with highs reaching the 80s. Rain chances return late Sunday. Low pressure will build over KELOLAND throughout Saturday, which may bring some scattered rain to the southeast Saturday night. As this low builds, it will bring in heat and moisture throughout Sunday so expect the humidity to rise. Then as a cold front swings in from the north and interacts with the low, thunderstorms are likely late in the afternoon Sunday through the overnight and into early Monday. Some of those thunderstorms could be severe; the SPC has already issued a Slight Risk for severe weather centered over KELOLAND.

Lingering low pressure and stationary front means we’ll carry thunderstorms chances through Monday and early Tuesday as well. Monday’s highs will reach the 80s again.

The rest of the week looks calmer as that area of low pressure exits the Midwest. Highs next week will range from mid-70s to mid-80s. The west could daily, isolated, summer-time, popup storms beginning Wednesday. 

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