Welcome to this week’s OU Nightly Weekly Weather Watch!
This week is set to feel exactly like fall. The highs will stay in the upper 70s to low 80s with lows ranging from upper 40s to mid-60s, so grab that jacket if you will be spending time outside at night. There is a chance of thunderstorms late Thursday, October 21, 2021, for the central and northern parts of Oklahoma, including the Norman area. The rest of the week will have small chances for pop up showers and by the weekend, the temperatures will climb into the 80s.
Fire Weather In Colorado and Kansas
California finally has relief from the months-long raging wildfires as a new weather pattern is setting in, bringing multiple days with chances of rain. However, Colorado and Kansas are now dealing with the potential for wildfires. The southeast corner of Colorado and southwest corner of Kansas are under a Red Flag Warning which, according to the National Weather Service, means that the vegetation is very dry, low relative humidity values around 25%, and at least constant 15 mph winds for several hours.
Winter Weather Arrives for Wyoming
Winter weather is ramping up again in portions of Wyoming. Central and eastern Wyoming is under a Winter Storm Warning, which according to the National Weather Service means that there will be either heavy snowfall of 6 inches in 12 hours, 8 inches in 24 hours, or ½ inch or more of sleet. This storm will move into the area starting tonight, October 19, 2021, and continuing overnight into Wednesday, October 20, 2021. The main impacts of this storm will be hazardous driving conditions with the roads becoming slick.
Severe Weather Chances
The chances of severe weather have significantly calmed down after last week. There are only a few places in the upper Midwest and Plains with the potential for severe thunderstorms. According to the Storm Prediction Center, a marginal risk of severe weather over parts of Nebraska, South Dakota, Minnesota, and Iowa, and if storms pop up, they may produce severe hail. As this system pushes across the United States, more areas of marginal risk form over Iowa and Minnesota as well as Missouri, Illinois, and Michigan on Wednesday, October 20, 2021. The Storm Prediction Center predicts these storms may bring gusty winds and severe hail. For Thursday, October 21, 2021, a marginal risk comes back to central and southwestern Oklahoma as well as western portions of Pennsylvania. Once again, the Storm Prediction Center predicts gusty winds and severe hail for these areas under these marginal risks.