Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Dansville, Dansville Municipal Airport (KDSV)

Lat: 42.57°NLon: 77.71°WElev: 659ft.

Overcast

54°F

12°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.89 in (1012.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 21 Jun 4:54 am EDT
Extended Forecast for

Portageville NY

  • Overnight

    Overnight: A slight chance of showers.  Mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 4am.  Mostly cloudy, with a low around 53. Calm wind.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers.  High near 66. East wind 3 to 6 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Northwest wind 5 to 8 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Light west wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light northwest wind.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers. High near 66. East wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 72. Northwest wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 52. Light west wind.
Wednesday
Sunny, with a high near 74. Light northwest wind.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Portageville NY
 42.53°N 78.1°W (Elev. 1401 ft)
3:57 am EDT Jun 21, 2026
5am EDT Jun 21, 2026-6pm EDT Jun 27, 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