Expected

* WHAT...Snow. Additional snow accumulations of 1 to 4 inches with up to 1 inch of additional snow accumulation near Mammoth and the west entrance. Winds gusting between 20 and 35 mph. * WHERE...Yellowstone National Park. * WHEN...Until 11 PM MDT this evening. * IMPACTS...Travel could be difficult. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter.

* WHAT...Snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 45 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 11 PM MDT this evening. * IMPACTS...Travel could be difficult, including over Salt River Pass. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter. For winter road conditions from the Wyoming Department of

* WHAT...Snow. Additional snow accumulations of 2 to 6 inches. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until 11 PM MDT this evening. * IMPACTS...Travel could be difficult, especially over Powder River Pass. * ADDITIONAL DETAILS...Periodic snow showers will be possible through the morning hours Friday into the early afternoon. Additional snow accumulation as a result of these showers are expected to range from 1 to 3 inches mainly in the highest elevations.

* WHAT...Snow. Additional snow accumulations between 1 and 4 inches. Winds gusting as high as 45 mph. * WHERE...Absaroka Mountains. * WHEN...Until 11 PM MDT this evening. * IMPACTS...Travel could be very difficult, especially in the backcountry. * ADDITIONAL DETAILS...Additional snow accumulations up to 2 inches possible along US 14/60/20 west of Cody. Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the

At 146 PM CDT, Doppler radar was tracking a strong thunderstorm over Narka, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects and vegetation is possible. Locations impacted include... Narka and Mahaska. If outdoors, consider seeking shelter inside a building.

...RED FLAG WARNING CONTINUES THROUGH THURSDAY FOR PORTIONS OF THE HIGH PLAINS... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 430, 431, AND 437... * AFFECTED AREA... Fire weather zones 430, 431, and 437. * WIND... For the Red Flag Warning, west to northwest winds gusting 40 to 60 mph. For the Fire Weather Watch, west to southwest winds gusting 30 to 35 mph. * HUMIDITY... For the Red Flag Warning, 12 to 20 percent. For

...RED FLAG WARNING CONTINUES THROUGH THURSDAY FOR PORTIONS OF THE HIGH PLAINS... * AFFECTED AREA... Fire weather zones 433, 435, and 436. * WIND... West to northwest winds with gusts of 40 to 60 mph. * HUMIDITY... 12 to 20 percent. * IMPACTS... Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until further notice. * IMPACTS...Numerous roads, yards, structures, and areas of park land are flooding along the Fox River Chain of Lakes. Flooding will continue through at least next week. * ADDITIONAL DETAILS... - At 138 PM CDT, River gauges along the Fox River Chain of Lakes indicate that water levels have remained nearly steady

* WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Phillips, Valley, Garfield, and Petroleum Counties. * WHEN...Until 8 PM MDT this evening. * IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles. Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.

* WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Daniels, Dawson, Roosevelt, McCone, Prairie, Richland, Sheridan, and Wibaux Counties. * WHEN...Until 8 PM MDT this evening. * IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles. Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.