Louisville, NY Weather Forecast
St. Lawrence County, New York
Live radar, warnings and storm tracking for Louisville, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Louisville
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Louisville, NY at a glance
Louisville is home to about 3,005 people in St. Lawrence County, across 49 square miles. It ranks 524th by population of 593 places in New York with a forecast here. The nearest neighbour with its own forecast is Massena, 6 miles away.
- County
- St. Lawrence County
- Population
- 3,005 2023 est.
- Land area
- 49 sq mi
- People per sq mi
- 62
- Forecast point
- 44.9077°N, 75.0122°W
How well can the network see Louisville?
The nearest Doppler radar is KTYX (Montague, NY), to the SSW. Its lowest scan passes about 7,700 ft above Louisville. The beam is above the lowest few thousand feet here, so a warning for Louisville can come before anything looks dramatic on radar.
The closest weather station is KMSS (Massena Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Louisville
- Massena, NY6 mi
- Norfolk, NY6 mi
- Stockholm, NY14 mi
- Brasher, NY14 mi
- Potsdam, NY16 mi
- St. Regis Mohawk, NY19 mi
- Lisbon, NY20 mi
- Canton, NY23 mi
Elsewhere in New York
New YorkBrookhavenIslipOyster BayBuffaloNorth HempsteadAll New York forecasts →