Across the country right now

Wall of Shame.

The roughest fresh readings from the places we monitor—ranked one condition at a time.

Open significant incident briefings →

Heat + a standard run

Where a 45-minute run looks roughest.

This is a heat-stress comparison, not a personal instruction. Pace, route, fitness, and heat acclimatization are unknown.

  1. 1Miami, FLThe air is doing entirely too much.106°F heat index
  2. 2Brownsville-Harlingen, TXEasy miles have left the chat.104°F heat index
  3. 3Sarasota, FLHydration just picked up another shift.103°F heat index
  4. 4Houston-Pasadena-The Woodlands, TXThe cool-down needs a cool-down.101°F heat index
  5. 5Orlando, FLA bold day to own a thermometer.100°F heat index
Data details
Measurement
Standard 45-minute run · current heat stress
Source
National Weather Service forecasts + Nature Says When running-heat rules
Observed
Aug 30, 4:00 PM UTC
Compared
250 of 250 monitored places
Important limit
Pace, route, fitness, and heat acclimatization are unknown; this is not a personal instruction.

Wind over the next 12 hours

Where the strongest gusts are lining up.

Forecast gust speed is useful for exposed routes, cycling, paddling, and loose gear. It is not a universal danger score.

  1. 1Dickinson, NDThe atmosphere has places to be.40 mph
  2. 2Casper, WYLoose hats, reconsider your choices.39 mph
  3. 3Great Falls, MTA free hairstyle is included.39 mph
  4. 4Kalispell, MTThe trees have entered the chat.37 mph
  5. 5Williston, NDSubtlety has left the forecast.36 mph
Data details
Measurement
Highest NWS forecast gust in the next 12 hours
Source
National Weather Service
Observed
Aug 30, 4:00 PM UTC
Compared
250 of 250 monitored places
Important limit
Forecast gust speed is useful for exposed routes, cycling, paddling, and loose gear. It is not a universal danger score.

Air quality right now

Where the air is roughest right now.

US AQI describes current outdoor air pollution at participating AirNow reporting areas. Conditions can differ within a city.

  1. 1Wenatchee-East Wenatchee, WAUnhealthy for sensitive groups · fine particles · modeledModeled AQI 119
  2. 2Leavenworth, WAUnhealthy for sensitive groups · fine particles · modeledModeled AQI 116
  3. 3Orange County, CAUnhealthy for sensitive groups · fine particles · modeledModeled AQI 116
  4. 4Bend, ORUnhealthy for Sensitive Groups · fine particlesAQI 113
  5. 5Tulsa, OKModerate · fine particlesAQI 84
Data details
Measurement
Current preliminary US AQI from AirNow
Source
AirNow
Observed
Aug 30, 3:00 PM UTC
Compared
250 of 250 monitored places · 222 independent source areas
Important limit
US AQI describes current outdoor air pollution at participating AirNow reporting areas. Conditions can differ within a city.

Current mapped perimeters

The largest wildfires on the current map.

Perimeter acreage describes mapped fire size. It does not tell you smoke impact, containment, evacuation risk, or personal danger.

No fresh national perimeter snapshot is available.

That does not mean there are no wildfires.

Rain over the next 12 hours

Where the wettest forecast hour is showing up.

This ranks forecast hourly precipitation rate, not flood risk, storm severity, or total rainfall.

  1. 1Tampa, FL37% chance at the wettest forecast hour0.09 in/hr
  2. 2Sarasota, FL34% chance at the wettest forecast hour0.08 in/hr
  3. 3Minot, ND86% chance at the wettest forecast hour0.08 in/hr
  4. 4Detroit-Warren-Dearborn, MI67% chance at the wettest forecast hour0.07 in/hr
  5. 5Tallahassee, FL44% chance at the wettest forecast hour0.07 in/hr
Data details
Measurement
Highest NWS forecast hourly precipitation rate in the next 12 hours
Source
National Weather Service
Observed
Aug 31, 3:00 AM UTC
Compared
250 of 250 monitored places
Important limit
This ranks forecast hourly precipitation rate, not flood risk, storm severity, or total rainfall.

Cold exposure right now

Where wind chill or feels-like is lowest.

NWS wind chill is used when available; otherwise the current feels-like or air temperature keeps the comparison useful and is labeled honestly.

  1. 1Kalispell, MTCurrent wind chill32°F
  2. 2Fairbanks-College, AKCurrent wind chill37°F
  3. 3Sandpoint, IDCurrent wind chill39°F
  4. 4Anchorage, AKCurrent wind chill40°F
  5. 5Klamath Falls, ORCurrent wind chill42°F
Data details
Measurement
Current NWS wind chill when available, otherwise feels-like or air temperature
Source
National Weather Service
Observed
Aug 30, 4:00 PM UTC
Compared
250 of 250 monitored places
Important limit
NWS wind chill is used when available; otherwise the current feels-like or air temperature keeps the comparison useful and is labeled honestly.

Temperature change ahead

Where the weather changes its mind fastest.

This is the largest forecast air-temperature change from now in the next 12 hours—not a storm or safety rating.

  1. 1Klamath Falls, ORThe forecast has commitment issues.33°F rise
  2. 2Medford, ORLayers are about to earn their keep.31°F rise
  3. 3Bend, ORWeather wardrobe roulette.28°F rise
  4. 4Sacramento, CAThe thermometer changed the subject.28°F rise
  5. 5Grants Pass, ORConsistency was not invited.27°F rise
Data details
Measurement
Largest NWS forecast temperature change from now in the next 12 hours
Source
National Weather Service
Observed
Aug 30, 4:00 PM UTC
Compared
250 of 250 monitored places
Important limit
This is the largest forecast air-temperature change from now in the next 12 hours—not a storm or safety rating.

Official alerts active now

Where official hazards have the floor.

Point-specific National Weather Service alerts are ordered by their stated severity. Always follow the issuing authority’s instructions.

  1. 1Flagstaff, AZFlood Watch · Flood Watch issued August 30 at 4:23AM MST until September 1 at 12:00AM MST by NWS Flagstaff AZSevere
  2. 2Grand Junction, COFlood Watch · Flood Watch issued August 30 at 4:18AM MDT until August 31 at 12:00AM MDT by NWS Grand Junction COSevere
  3. 3Klamath Falls, ORFire Weather Watch · Fire Weather Watch issued August 30 at 1:30AM PDT until August 31 at 8:00PM PDT by NWS Medford ORSevere
  4. 4Nogales, AZFlood Watch · Flood Watch issued August 30 at 6:15AM MST until August 31 at 5:00AM MST by NWS Tucson AZSevere
  5. 5Payson, AZFlood Watch · Flood Watch issued August 30 at 4:23AM MST until September 1 at 12:00AM MST by NWS Flagstaff AZSevere
Data details
Measurement
Active point-specific NWS alerts ordered by stated severity
Source
National Weather Service alerts
Observed
Aug 31, 7:00 PM UTC
Compared
250 of 250 monitored places
Important limit
Point-specific National Weather Service alerts are ordered by their stated severity. Always follow the issuing authority’s instructions.