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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Wellsville, Wellsville Municipal Airport (KELZ)

Lat: 42.11°NLon: 77.98°WElev: 2123ft.

Light Rain

69°F

21°C

Humidity 90%
Wind Speed S 9 mph
Barometer 29.87 in (1010.3 mb)
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 2 Aug 8:56 am EDT
Extended Forecast for

Andover NY

Flood Watch August 2, 10:00am until August 3, 02:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 71. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers. Low around 61. South wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers then
    Showers
    Likely

  • Monday

    Monday: A slight chance of showers between 8am and 11am. Partly sunny, with a high near 73. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 77 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. South wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 71. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 61. South wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers between 8am and 11am. Partly sunny, with a high near 73. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers after 2pm. Sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 60. Light south wind.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. South wind 5 to 8 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Andover NY
 42.15°N 77.78°W (Elev. 1798 ft)
Last Update:
7:57 am EDT Aug 2, 2026
Forecast Valid:
9am EDT Aug 2, 2026-6pm EDT Aug 8, 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