Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles WSW Swain NY

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 51. Light west wind.

    Low: 51 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 79. Southwest wind around 5 mph becoming calm  in the morning.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Calm wind becoming south around 6 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Mostly sunny, with a high near 82. Southwest wind around 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 64. South wind 3 to 6 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 80. South wind around 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm.  Low around 64. Southwest wind 3 to 5 mph.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers then
    Mostly Cloudy

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 78. West wind around 6 mph.  Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51. Light west wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Southwest wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 58. Calm wind becoming south around 6 mph after midnight.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 64. South wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 80. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 8pm. Low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 80%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. West wind around 6 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 62. Chance of precipitation is 80%.
Saturday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night
A chance of thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Swain NY
 42.47°N 77.93°W (Elev. 1998 ft)
9:57 pm EDT Aug 3, 2026
12am EDT Aug 4, 2026-6pm EDT Aug 10, 2026
 
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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