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The Greater Cornwall communities' official source for real-time localized weather conditions, radar, live feeds, forecasts, alerts and events. Learn more about the Cornwall Office of Emergency Management Environmental Intelligence Programs and Stay Informed!

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Greater Cornwall WX Alerts

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Current watches, warnings, and advisories for Orange (NYZ067) NY
Last Update: Mon May 18 2026 21:36:39 EDT
THERE ARE 3 ACTIVE ALERTS!

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warning AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING
Air Quality Alert issued May 18 at 3:27PM EDT by NWS Upton NY (Region Impacted: Orange; Putnam)
The New York State Department of Environmental Conservation's Air Quality Health Advisory for the following counties: Orange, and Putnam, remains in effect until 11 PM EDT this evening. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.
warning AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING
Air Quality Alert issued May 18 at 9:44AM EDT by NWS Upton NY (Region Impacted: Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northern Queens; Southern Queens)
The New York State Department of Environmental Conservation's Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, and Rockland, now includes two additional counties: Orange and Putnam, This Air Quality Health Advisory is in effect until 11 PM EDT this evening. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.
warning AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING
Air Quality Alert issued May 18 at 9:40AM EDT by NWS Upton NY (Region Impacted: Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northern Queens; Southern Queens)
The New York State Department of Environmental Conservation's Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Nassau, Suffolk, Westchester, and Rockland, now includes two additional counties: Orange and Putnam, This Air Quality Health Advisory is in effect until 11 PM EDT this evening. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.

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Greater Cornwall Weather Conditions and Forecasts

Current Conditions for Greater Cornwall

Current Conditions - Cornwall-on-Hudson

Tonight

Mostly clear, with a low around 69. South wind around 3 mph.
Mostly Clear
69 °F : 3 mph S
Elevation: 696.03ft

Current Conditions - Cornwall / Firthcliffe

Tonight

Mostly clear, with a low around 69. South wind around 5 mph.
Mostly Clear
69 °F : 5 mph S
Elevation: 1096.05ft

Current Conditions - Mountainville

Tonight

Mostly clear, with a low around 69. South wind around 5 mph.
Mostly Clear
69 °F : 5 mph S
Elevation: 1001.05ft

12 Hour Zone Forecast Orange County (NYZ067)

Tonight
Mostly clear, with a low around 69. South wind around 5 mph.
Mostly Clear
69 °F : 5 mph S
Tuesday
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. West wind 5 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Mostly Sunny then Slight Chance Showers And Thunderstorms
93 °F : 5 to 12 mph W