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Sunday Forecast: Another “cooler” day to finish the weekend with hot and humid weather lurking next week

Published: Jul. 17, 2021 at 4:50 PM CDT|Updated: Jul. 17, 2021 at 6:36 PM CDT
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LINCOLN, Neb. (KOLN) - A couple rounds of thunderstorms are possible as we head over the next 24 to 36 hours as if you’re lucky enough to get some rain during that time, you should be thankful as chances for moisture after this weekend dry up as we head into next week as the forecast is headlined by the weather turning hot, humid, and dry for much of next week.

Some severe storms will be possible into Saturday evening and Saturday night across the western half of the state as an upper level disturbance kicks off storms in the High Plains with convection expected to slide south and southeast through the area. Large hail, damaging wind gusts, and some locally heavy rain will be the primary threats tonight if we can get some storms going. The SPC has outlined western Nebraska with a marginal and slight risk for severe - so some isolated to scattered severe storms will be possible.

Severe storms will be possible across parts of western Nebraska into Saturday evening with some...
Severe storms will be possible across parts of western Nebraska into Saturday evening with some scattered thunderstorms possible across the eastern half of the state.(KOLN)

Model guidance is a bit fuzzy on what happens tonight and into the day on Sunday in regards to possible thunderstorms as some models keep storms going through the overnight period tonight, with other short term guidance indicating thunderstorms redeveloping on Sunday afternoon and evening. Regardless of how the storms possibly get going, it appears that the threat for a few isolated severe storms will remain in the forecast - this time across parts of central and into eastern Nebraska where a marginal risk for severe weather is in place for Sunday.

A few isolated severe storms are possible on Sunday across parts of central and into eastern...
A few isolated severe storms are possible on Sunday across parts of central and into eastern Nebraska where a marginal risk is in place.(KOLN)

For Lincoln and southeastern Nebraska, we’ll continue to hold on to a chance for some isolated downpours as we head into early Saturday evening, though any showers or storms should weaken as we head towards and past sunset Saturday evening. Into the day on Sunday, the highest chances for scattered storms will likely stay just to our west, but we’ll keep a chance for rain in the forecast as storms could clip the area into Sunday afternoon and evening.

Scattered thunderstorms will be possible on Sunday with a mix of sun and clouds.
Scattered thunderstorms will be possible on Sunday with a mix of sun and clouds.(KOLN)

As far as temperatures are concerned, look for seasonal low temperatures into Saturday night and early Sunday morning with lows falling into the mid and upper 60s for most of the state. Look for partly to mostly cloudy skies tonight with some patchy dense fog being possible again into early Sunday morning.

Seasonal temperatures are expected overnight with lows in the mid to upper 60s.
Seasonal temperatures are expected overnight with lows in the mid to upper 60s.(KOLN)

Afternoon highs on Sunday should be similar to what we had on Saturday and that should be temperatures ranging from the lower to middle 80s in eastern Nebraska with highs climbing into the 90s in the far west. We should again see another humid day with dew points in the mid to upper 60s and lower 70s across the region, likely yielding “feels like” temperatures a few degrees higher than our actual air temperatures. Skies should be partly cloudy through the day with some periods of sunshine and some periods of cloudiness.

Temperatures will range from the low 80s to mid 90s on Sunday across the state.
Temperatures will range from the low 80s to mid 90s on Sunday across the state.(KOLN)

The extended forecast will be dominated by a building upper level ridge into the area which will keep the weather mainly dry throughout the week next week. Temperatures will slowly warm back into the lower and middle 90s by late next week and when combined with dew points in the 60s to low 70s, heat index values will likely reach near 100° most afternoons late next week.

Temperatures remain a few degrees below average over the next few days, but hot and humid...
Temperatures remain a few degrees below average over the next few days, but hot and humid weather is lurking around the corner with highs returning to the mid 90s by late next week with heat index values potentially near 100° at times.(KOLN)

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