NORMAN, Okla. (AP) – Forecasters are warning that severe weather could hit parts of the nation’s midsection this weekend. The Storm Prediction Center in Norman, Oklahoma said there is a risk for tornadoes and very large hail in northeastern Colorado on Friday, with severe storms developing in Nebraska and Iowa during the day today (Saturday).

By Sunday, the storms could stretch from near the Oklahoma Panhandle into the Ohio Valley. The threat of tornadoes during the day Saturday in the mid-Missouri River Valley is expected to evolve into a mass of storms with high winds.