Saturday, May 23, 2026

Isolated showers possible Saturday evening, non-zero lightning threat

 [11PM] Isolated showers persist, mainly along the I-39 corridor. While most will remain dry through the night, a brief period of light rain may be possible where these showers pass overhead. A rumble of thunder may also be possible, as a couple lightning strikes were detected in Bureau County near Walnut, IL. Showers are slowly moving to the Northeast at 10-25 mph. Any lingering showers give way to mid-day sunshine tomorrow.

[8PM] Two main areas of light showers in the Stateline. One pocket is right along the state line between Broadhead, WI and Ridott, IL and another pocket is in Southern Lee County. Both areas of light showers are moving Northeast at only 10-20 mph. A brief shower will be possible ahead of these cells, but many will remain dry this evening.

Heads up to anyone participating in outdoor festivities this evening! A few *very* isolated showers have begun developing West of I-39 and will slowly track East later tonight. Brief downpours and even an isolated bolt of lightning remain possible, but the majority of the area will remain dry at any given time.

Light showers may be possible through the early part of the night, but coverage will likely not reach higher than 30% at any given time. Temperatures will remain mild, with lows only dropping into the 50s.

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