The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for…
Western Ogle County in north central Illinois…
Western Winnebago County in north central Illinois…
* Until 800 PM CDT
* At 702 PM CDT, severe thunderstorms were located along a line
extending from near Lena to Shannon to Coleta, moving northeast at
HAZARD…60 mph wind gusts.
IMPACT…Expect damage to roofs, siding, and trees.
* Locations impacted include…
Oregon, Mount Morris, Byron, Polo, Pecatonica, Forreston, Durand,
Lake Summerset, Leaf River and Adeline.
This includes… Castle Rock State Park, Lowden State Park, Ogle
County Fairgrounds, White Pines State Park, and Winnebago County
A line of thunderstorms will move northeast across far northwest Illinois through 8 pm this evening. Some of these storms may be strong to severe with damaging winds the primary threat, along with heavy rain. Additional thunderstorms across northeast Iowa will move across northern Illinois later this evening and will likely be weakening as they move across the area. Strong wind gusts and heavy rain will also be possible with these storms
Thunderstorms are likely to move into parts of northern Illinois this evening, including the Rockford metropolitan area.
Depending on how quickly and how organized the thunderstorms are when they move in, isolated strong to severe wind gusts will be possible.
Occasional to frequent cloud to ground lightning and very heavy downpours will be likely with any thunderstorm.
The thunderstorms should weaken with eastward extent across northern Illinois later this evening into the overnight