This material may not be published, broadcast, rewritten, or redistributed.After a cold frontal passage brought a line of showers to the Stateline on Saturday, the upcoming week will likely fall short on the rain that this month has been lacking.Through Saturday, the month of August had brought rainfall to Rockford only six of fifteen days; rainfall was measurable only two of the six days. The risk for strong to severe storms will remain across the Midwest and Plains Friday evening, with cloud cover increasing locally overnight. Power was restored to some homes by 11 p.m.In Whiteside County near Prophetstown, which was in the center of the storm system for a time, two large outbuildings were destroyed on a farm on Lomax Road west of Perkins Road, as was a small shed on a nearby property, Sheriff John Booker said from the scene.A witness thought the damage might be the result of a tornado, Booker said.No homes were damaged and no one was injured, he said, adding that power lines are down in the area, but no poles were snapped.The severe spring thunderstorm that spawned the twister moved northeast through the Sauk Valley over the course of a couple of hours.A tornado also materialized earlier, around 7:45 p.m. in the village of Cambridge, in Henry County, NWS Quad Cities reported.Confirmation of other possible tornadoes will have to wait until the morning, a NWS spokeswoman said.The National Weather Service had issued a tornado warning until 9 p.m. for southeastern Whiteside, northeastern Henry and northwestern Bureau counties, and until 9:30 p.m. for part of Lee and Ogle counties. The National Weather Service has rated the tornado that moved through central Ogle County Saturday night as an EF-1, with peak winds estimated at 100mph. A tornado was spotted in Stillman Valley, east of Byron in Ogle County, shortly before 9:30 p.m. on Saturday, the National Weather Service in Chicago confirmed.Tornado warning sirens blared in Dixon and Oregon around 9:10 p.m., shortly before the Stillman Valley tornado was sighted.An Ogle County Sheriff's squad blocked traffic on Route 64 east of Oregon, between Daysville Road and Hickory Lane, as ComEd crews worked to restore power to some households. Severe thunderstorms have developed along the front Friday evening with numerous tornado warnings ongoing in Minnesota. Even though there is a chance for rain, overall rain chances look to remain few and far between.
That northward shift into Canada will cause the jet stream to then dip southward across the middle and eastern part of the country. Storms may reach the severe weather level quickly and no warning may be available. We'll feel a slight increase in humidity, but it shouldn't be too uncomfortable Thursday or Friday with highs in the mid/upper 80s. This puts Rockford 1.76 inches short of the normal month-to-date rainfall total. Tornado warning sirens blared in Dixon and Oregon around 9:10 p.m., shortly before the Stillman Valley tornado was sighted. They are used by Ogle County for a variety of purposes: Testing (1 st Tuesday of each month at 10:00 a.m.) Severe Weather The tornado touched down two miles east of Oregon around 9:13pm and was on the ground for 7 miles as it traveled to the northeast, just before lifting southwest of Stillman Valley around 9:24pm.The tornado traveled mostly over rural areas damaging trees and power lines, but did damage a few outbuildings and barns. Severe weather came through the Stateline on Saturday, triggering tornado warnings across the area, including in Ogle and Winnebago counties. Doppler radar tracked rotating winds swirling along the storm's path.A calmer, but still breezy Sunday is in the forecast, with sustained west to northwest d winds of 25 to 35 mph likely, gusting up to 45 or 50 mph, and a 40 percent chance of rain, the NWS predicts.

The tornado was on the ground for roughly 7 miles with a maximum width of ~1/4 of a mile, damaging mainly trees, power lines, outbuildings, and barns. The storm system that produced the tornado in Ogle County also produced tornadoes across Iowa and west-central Illinois. A warning took effect around 1 p.m. and … Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Oregon area.