High Today: 86F / Low Tonight: 71F - Last updated Monday, July 1, 2019 at 8:43 AM...
We had 3 rounds of showers and t-storms impact at least parts of the News 8 viewing area over the past 24 hours. Some of the storms produced wind damage to trees/power lines over NE Iowa Sunday afternoon. Locally heavy rainfall also occurred through the overnight hours.
Today is another ALERT DAY... due to the potential for more storms later today into tonight. Some of the storms could be strong to isolated severe late this afternoon into this evening. Strong winds would be the main threat, with large hail a lesser threat. Locally heavy rainfall will also be possible with the storms late today and into the overnight. Some forecast models hint at the chance of 1" to 3"+ falling in some areas, which could result in flooding. Please stay weather aware later today and tonight... and stay tuned for updates!
The cause for the periods of showers and t-storms is a stalled out frontal boundary sitting west to east across the region. Otherwise, it will be humid again today with more clouds than sun and highs in the mid 80s. It will be mild and muggy tonight with lows in the upper 60s to low 70s.
Partly sunny and humid Tuesday. That front will continue to be stalled near our area, so more showers and t-storms are possible Tuesday and Tuesday evening... through about midnight. Highs Tuesday will again be in the mid 80s.
Looking Ahead... The focus for our forecast through the rest of the week is watching where that stalled front ends up. Some forecast models are pushing it a bit farther south thanks to high pressure building in from the north, which would be good news for us... because it would mean some drier weather would be in store. Other models keep it closer to our area, meaning the wetter and active pattern would continue. For now, I'm going to split the difference with at least slight chances (20-30%) for showers and t-storms each day Wednesday through Saturday, including the 4th of July. We will try to fine tune these rain chances as the week progresses and we hopefully get some "more agreeable" model data. Stay tuned!
It will remain fairly warm and humid through the week with highs in the mid-upper 80s and lows in the upper 60s to around 70F.
It looks like it will finally turn drier and less humid by Sunday with highs closer to 80F. Monday looks dry as well with highs in the low 80s. Slight chance of showers and t-storms next Tuesday with highs in the low-mid 80s.
Have a good Monday and stay tuned for updates concerning the additional storm chances later today into tonight. -Bill Graul
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