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Much Needed Rainfall Set to Move In

Brief Cooldown to Follow
Published: Jun. 19, 2021 at 2:50 PM CDT|Updated: Jun. 19, 2021 at 10:42 PM CDT
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SIOUX FALLS, S.D. (Dakota News Now) -- We have been hot and dry for most of the month of June. High temperatures have not been below 80 degrees or below average for that matter since Memorial Day weekend and we haven’t had a steady soaking of rain in quite some time either. Well... we get some much needed rainfall Saturday night into Sunday and some cooler weather to follow that for a short period of time. It doesn’t appear to be long lasting or much, but at this point, anything is better than nothing.

SUNDAY: Showers and thunderstorms will continue throughout the day, but will become more scattered from west to east during the afternoon hours. There is a risk for some strong to severe thunderstorms Sunday afternoon and early evening SE of a line from Marshall to Sioux Falls to Yankton with the main threats being hail and gusty winds. It will become windy behind the front with a S to SE wind at 5-15 mph becoming NW at 15-30 mph as the system passes. Skies clear out Sunday night as higher pressure moves in. Highs top out in the 70s to lower 80s with lows crashing back into the 40s and 50s.

RAINFALL FORECAST: While it won’t be a lot, most areas should pick up 0.1-0.25″, with some isolated spots up to 0.5″.

MONDAY: High pressure will give us a mostly sunny sky with a blustery N to NW wind at 10-20 mph with higher gusts. That will allow highs to only climb into the upper 60s to mid 70s, which will be about 10 degrees below average. Lows will fall back into the 40s with a few clouds and winds calming down.

TUESDAY: A few extra clouds will move in as a stationary boundary slowly moves in, but we’ll still see a mostly sunny to partly cloudy sky. Winds will slowly shift to the S and SE at 5-15 mph. Highs top out in the 80s with some areas west in the upper 80s. Lows fall back into the 50s to near 60.

WEDNESDAY THROUGH FRIDAY: A breezy S to SE wind will pump in the heat and a little more humidity for Wednesday and Thursday. There will be a chance of showers and thunderstorms Thursday as a cold front approaches, then we see a cooler and drier wind take over for Friday. Highs Wednesday and Thursday will surge back into the 90s with some spots reaching triple digits west of the James River Valley Wednesday. Highs will scale back into the mid 80s to low 90s.

LONG TERM: The last full weekend of June is looking warm and dry with partly cloudy skies. Highs look to be in the 80s to low 90s with lows in the 50s and 60s. The latest 8-14 day outlooks from the Climate Prediction Center, which runs from June 27-July 3, shows temperatures slightly warmer than average west and slightly cooler than average east with precipitation trending slightly drier than average.

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