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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

38°F

3°C

Humidity 86%
Wind Speed NW 5 mph
Barometer 30.30 in (1028.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 15 Nov 3:56 pm EST
Extended Forecast for

Irvine PA

  • Tonight

    Tonight: Cloudy, with a low around 35. Light northwest wind.

    Low: 35 °F

    Cloudy

  • Monday

    Monday: Cloudy, with a high near 47. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 47 °F

    Cloudy

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 53. Calm wind becoming west around 5 mph.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 35. Light northwest wind.
Monday
Cloudy, with a high near 47. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 28. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 53. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 27. Calm wind.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irvine PA
 41.84°N 79.21°W (Elev. 1217 ft)
Last Update:
1:36 pm EST Nov 15, 2026
Forecast Valid:
4pm EST Nov 15, 2026-6pm EST Nov 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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