Extreme Heat Watch issued June 18 at 8:26PM CDT until June 21 at 10:00PM CDT by NWS Sioux Falls SD
* WHAT...Dangerously hot conditions with heat index values up to 108 possible. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...From Friday morning through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Severe Thunderstorm Warning issued June 15 at 8:38AM CDT until June 15 at 9:15AM CDT by NWS Sioux Falls SD
At 837 AM CDT, a severe thunderstorm was located near Le Mars, moving southeast at 25 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Le Mars, Oyens and Remsen.
Air Quality Alert issued June 11 at 2:45PM CDT by NWS Sioux Falls SD
* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Orange or Unhealthy for Sensitive Groups category. * WHERE... Southwest Minnesota. * WHEN... Until 11 PM CDT Thursday. * IMPACTS...Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Smoke from wildfires in northwest Canada has moved into southwest Minnesota behind a cold front. This smoke is beginning to mix to the ground and fine particle levels have climbed into the
Air Quality Alert issued June 7 at 5:41PM CDT by NWS Sioux Falls SD
* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Orange or Unhealthy for Sensitive Groups category. * WHERE...All of Minnesota. * WHEN...From 11 PM CDT this evening to 11 PM CDT Sunday. * IMPACTS...Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy surface Canadian wildfire smoke will follow a cold front into and across Minnesota from west to east from late Saturday night into Sunday morning and afternoon
Air Quality Alert issued June 4 at 2:05PM 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...Central and Eastern Nebraska WHEN...6/5/2025 6:00 AM until 06/6/2025 12:00 PM POLLUTANT...PM 2.5 particulates AIR QUALITY INDEX...Unhealthy for Sensitive Groups ADDITIONAL DETAILS... An alert for possible Unhealthy for Sensitive Groups (Air Quality Index orange category)due to smoke has been issued for the following Nebraska counties: Adams, Antelope, Boone, Buffalo, Burt, Butler, Cass, Cedar, Clay, Colfax, Cuming, Dakota, Dawson, Dixon, Dodge, Douglas, Fillmore, Franklin, Furnas, Gage, Gosper, Greeley, Hall, Hamilton, Harlan, Howard, Jefferson, Johnson, Kearney
Air Quality Alert issued June 2 at 4:41PM 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...6/3/2025 3:00 PM until 06/4/2025 12:00 AM POLLUTANT...PM 2.5 particulates AIR QUALITY INDEX...Unhealthy for Sensitive Groups to Unhealthy ADDITIONAL DETAILS... An alert for possible Unhealthy for Sensitive Groups (Air Quality Index orange category)due to smoke has been issued for the following Nebraska counties: Burt, Butler, Cass, Colfax, Cuming, Dakota, Dodge, Douglas, Gage, Jefferson, Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson, Saline, Sarpy, Saunders, Seward, Thurston, and Washington, from June 3, 3:00 pm through
Air Quality Alert issued June 2 at 11:55AM CDT by NWS Sioux Falls SD
* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Orange or Unhealthy for Sensitive Groups category. * WHERE...Southwest Minnesota. * WHEN...Until 6 PM CDT Tuesday. * IMPACTS...Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...A band of very heavy ground-level smoke from Canadian wildfires has moved into northwest Minnesota Monday morning behind a cold front. This smoke will continue to follow behind the cold front as it moves
Flood Warning issued June 2 at 9:38PM CDT by NWS Sioux Falls SD
...The National Weather Service in Sioux Falls SD has issued a Flood Warning for the following rivers in Iowa... Burr Oak Creek near Perkins affecting Sioux County. * WHAT...Moderate flooding is occurring. * WHERE...Burr Oak Creek near Perkins. * WHEN...From this evening until further notice. * IMPACTS...At 18.0 feet, Significant flooding of crop land begins. * ADDITIONAL DETAILS... - At 9:15 PM CDT Monday the stage was 18.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:15 PM CDT Monday was 18.1 feet. - Forecast...No forecast is available for this location. - Flood stage is
Air Quality Alert issued May 30 at 11:22AM CDT by NWS Sioux Falls SD
* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Orange or Unhealthy for Sensitive Groups category. * WHERE...All of Minnesota. * WHEN...Now through 6 PM CDT Monday. * IMPACTS...Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...A cold front will continue to drag smoke from large wildfires in Manitoba and Saskatchewan southward into Minnesota. This will be a long duration event with multiple rounds of smoke expected. The
Special Weather Statement issued May 28 at 9:31AM CDT by NWS Sioux Falls SD
Isolated to Scattered showers forming due to updrafts forming along subtle boundaries situated across most of the region may produce brief funnel clouds. Any funnel clouds that develop are expected to be weak and not touch the ground. However if you feel your safety is threatened please seek shelter.