National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Fair

78°F

26°C

Humidity 48%
Wind Speed Calm
Barometer 30.21 in (1023.6 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 3 Aug 11:54 am EDT
Extended Forecast for

Swain NY

  • This Afternoon

    This Afternoon: Widespread haze. Sunny, with a high near 79. Northwest wind 3 to 5 mph.

    High: 79 °F

    Haze

  • Tonight

    Tonight: Widespread haze before midnight. Clear, with a low around 55. Light southwest wind.

    Low: 55 °F

    Haze then
    Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Southeast wind around 6 mph.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. South wind 3 to 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Widespread haze. Sunny, with a high near 79. Northwest wind 3 to 5 mph.
Tonight
Widespread haze before midnight. Clear, with a low around 55. Light southwest wind.
Monday
Sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. Calm wind.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Light and variable wind.
Wednesday
Partly sunny, with a high near 82. Southeast wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 61. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swain NY
 42.49°N 77.89°W (Elev. 1982 ft)
Last Update:
10:36 am EDT Aug 3, 2025
Forecast Valid:
12pm EDT Aug 3, 2025-6pm EDT Aug 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation