Red Flag Warning issued June 14 at 2:28PM MDT until June 15 at 8:00PM MDT by NWS Grand Junction CO
* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area and Fire Weather Zone 202 White River Forecast Area. In Utah, Fire Weather Zone 486 Eastern Uinta Basin and Fire Weather Zone 487 Book Cliffs. * TIMING...From 1 PM to 8 PM MDT Sunday. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...6 to 11 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
Fire Weather Watch issued June 14 at 2:28AM MDT until June 15 at 8:00PM MDT by NWS Grand Junction CO
The National Weather Service in Grand Junction has issued a Fire Weather Watch for gusty winds, low relative humidity and dry fuels, which is in effect from Sunday afternoon through Sunday evening. * AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area and Fire Weather Zone 202 White River Forecast Area. In Utah, Fire Weather Zone 486 Eastern Uinta Basin and Fire Weather Zone 487 Book Cliffs. * TIMING...From Sunday afternoon through Sunday evening. * WINDS...Southwest 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...6 to 11 percent. * IMPACTS...Any fire that develops will
Grand Canyon Airport (GCN) Runway Closures – Update
Dates: (Phase 1A) June 15, 2025 – July 14, 2025: Pre-closure Work Location: Construction will occur at Taxiway A / B. Airfield Closures: Nightly closures of Runway 3-21 (expected to be 8pm – 6am). Effects on NAVAID's: The plan is to have the NAVAID's stay on at night during the entire duration of pre-closure work (but will be NOTAM’d out). Dates: (Phase 1) July 14, 2025 – August 10, 2025: Closure: Expect Runway 3-21 to be closed to all aircraft operations with lighted X’s on the runway ends (excluding helicopters operating from their respective ramps). NAVAIDS and Lighting: NAVAID's and lighting
Air Quality Alert issued June 12 at 9:38AM CDT by NWS Grand Forks ND
Smoke from wildfires in Canada that impacted air quality Wednesday has exited north central Minnesota. Air quality has improved below the alert threshold, and therefore the air quality alert for north central Minnesota has been cancelled.
Air Quality Alert issued June 11 at 1:06PM CDT by NWS Grand Forks ND
* 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...North central 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 north central 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 10 at 10:55AM EDT by NWS Grand Rapids MI
The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory for June 11, 2025, for elevated levels of ozone in southwestern counties of Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range. The Air Quality Advisory is in effect for the following west Michigan counties: Allegan, Kent, Muskegon, Ottawa, and Van Buren Surface temperatures well into the 80s, ample sunlight, and west-southwest winds will create a conducive environment for Ozone development along the Lake Michigan shoreline. Residual wildfire smoke in the region may also
Beach Hazards Statement issued June 10 at 10:35PM EDT until June 11 at 4:00PM EDT by NWS Grand Rapids MI
* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa and Allegan counties. * WHEN...From Wednesday morning through Wednesday afternoon. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Southwest winds will increase to 15 to 25 mph late tonight, persisting into at least Wednesday morning. Waves will build to 3 to 5 feet from the increase in wind speed. Hazardous swimming conditions are expected to develop on Wednesday especially on the south sides of south piers
Air Quality Alert issued June 7 at 5:06PM CDT by NWS Grand Forks ND
* 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 6 at 3:06PM CDT by NWS Grand Forks ND
* 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 Red or Unhealthy category. * WHERE...North central and northeast Minnesota. * WHEN...Until 1 AM CDT Saturday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Persistant light winds will allow for heavy surface smoke to linger in place into the evening. Air quality is expected to improve by Saturday
Air Quality Alert issued June 5 at 1:06PM CDT by NWS Grand Forks ND
* 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 Red or Unhealthy category. * WHERE...North central, northwest, and northeast Minnesota. * WHEN...Until 7 PM CDT Friday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...An east-to-west band of heavy Canadian wildfire smoke will drift further south into northern Minnesota behind a cold front through the day and