Winter Weather Advisory issued April 16 at 3:00AM MDT until April 17 at 12:00AM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches. Winds gusting as high as 35 mph. * WHERE...The foothills and plains adjacent to the Rocky Mountain Front. * WHEN...From 6 AM this morning to midnight MDT tonight. * IMPACTS...Plan on slippery road conditions and periods of lower visibility.
Winter Storm Warning issued April 16 at 3:00AM MDT until April 17 at 12:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 10 inches. Winds gusting as high as 35 mph. * WHERE...Southern Rocky Mountain Front. * WHEN...From 6 AM this morning to midnight MDT tonight. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes. Widespread blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Snowfall rates up to one inch per hour are expected this afternoon with associated low visibility and quick accumulation of snow and slush on roads.
Winter Storm Warning issued April 16 at 3:00AM MDT until April 18 at 12:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 9 inches over Norris Hill with 2 to 5 inches along the MAdison River Valley. Winds gusting as high as 45 mph. * WHERE...Madison River Valley and Norris Hill. * WHEN...From 6 PM this evening to midnight MDT Thursday Night. * IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Heaviest snowfall rates are expected between midnight tonight and 6 AM Thursday.
Air Quality Alert issued April 15 at 1:57PM CDT by NWS Sioux Falls SD
The following is transmitted in collaboration with the Nebraska Department of Health and Human Services and the Nebraska Department of Environment and Energy... WHAT...Air Quality Alert WHERE...Eastern Nebraska WHEN...04/15/2025 9:00 PM until 04/16/2025 10:00 AM POLLUTANT...PM 2.5 particulates AIR QUALITY INDEX...Moderate to Unhealthy for Sensitive Groups ADDITIONAL DETAILS... An alert for possible Moderate (Air Quality Index yellow category) to Unhealthy for Sensitive Groups (Air Quality Index orange category) due to smoke has been issued for the following Nebraska counties: Antelope, Boone, Burt, Butler, Cass, Cedar, Clay, Colfax, Cuming, Dakota, Dixon, Dodge, Douglas, Fillmore, Gage, Hamilton, Jefferson, Johnson, Knox, Lancaster, Madison
Winter Storm Watch issued April 15 at 2:13PM MDT until April 18 at 12:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow possible. Total snow accumulations between 2 and 4 inches with up to 7 inches at Norris Hill possible. Winds could gust as high as 45 mph. * WHERE...Madison River Valley. * WHEN...From Wednesday evening through Thursday evening. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches.
Winter Weather Advisory issued April 15 at 2:13PM MDT until April 17 at 12:00PM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations up to 9 inches at and below pass level, with snow in excess of 9 inches possible above pass level. Winds gusting as high as 40 mph. * WHERE...The Highwood, Little Belt, Judith, and Snowy Mountains. * WHEN...From 6 PM Wednesday to noon MDT Thursday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes.
Winter Weather Advisory issued April 15 at 2:13PM MDT until April 17 at 6:00AM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations between 3 and 9 inches at and below pass level, with higher amounts possible above pass level. Winds gusting as high as 40 mph. * WHERE...Southern Rocky Mountain Front. * WHEN...From 6 AM Wednesday to 6 AM MDT Thursday. * IMPACTS...Tire chains may be required for some vehicles if traveling through mountain passes.
Winter Weather Advisory issued April 15 at 2:13PM MDT until April 17 at 12:00AM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. * WHERE...The foothills and plains adjacent to the Rocky Mountain Front. * WHEN...From 6 AM Wednesday to midnight MDT Wednesday Night. * IMPACTS...Plan on slippery road conditions.
Winter Storm Watch issued April 15 at 2:13PM MDT until April 18 at 6:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow possible. Total snow accumulations between 6 and 10 inches at pass level with 10 to 16 inches on mountain peaks possible. Winds could gust as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Wednesday afternoon through late Thursday night. * IMPACTS...Travel could be very difficult. Tire chains may be required for some vehicles if traveling through mountain passes.
Special Weather Statement issued April 15 at 1:47PM CDT by NWS Sioux Falls SD
Lowering humidity values to near 25 percent along with northwest winds gusting to 25 to 30 mph will create some near-critical fire weather conditions early to mid-afternoon across northwest Iowa and portions of southwest Minnesota. Winds are expected to trend slowly downward this afternoon which should begin to ease the approach towards critical fire weather conditions by late this afternoon.