Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Winchester (ITD41)

Lat: 46.25521°NLon: 116.6051°WElev: 3761.0ft.

Rain

44°F

7°C

Humidity 86%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 13 Mar 12:45 PM PDT
Extended Forecast for

Winchester ID

Flood Watch March 13, 01:14pm until March 14, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 13, 01:14pm until March 14, 05:00pm

    NOW until 5:00pm Sat

    Flood Watch

  • This Afternoon

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain before 10pm, then rain, possibly mixed with snow.  Snow level 6200 feet lowering to 5000 feet after midnight . Low around 30. West wind 10 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Saturday

    Saturday: Snow, mainly before 8am.  High near 40. Breezy, with a west wind 17 to 22 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Breezy. Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 23. West wind 6 to 16 mph, with gusts as high as 33 mph.  Little or no snow accumulation expected.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 41. South wind around 6 mph.

    High: 41 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Snow likely before 2am, then snow likely, possibly mixed with rain.  Cloudy, with a low around 33. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 11am, then a chance of rain.  Snow level 5200 feet rising to 8600 feet in the afternoon. Cloudy, with a high near 51. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. Snow level 5700 feet. High near 45. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 10pm, then rain, possibly mixed with snow. Snow level 6200 feet lowering to 5000 feet after midnight . Low around 30. West wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before 8am. High near 40. Breezy, with a west wind 17 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 23. West wind 6 to 16 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 41. South wind around 6 mph.
Sunday Night
Snow likely before 2am, then snow likely, possibly mixed with rain. Cloudy, with a low around 33. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A chance of rain and snow before 11am, then a chance of rain. Snow level 5200 feet rising to 8600 feet in the afternoon. Cloudy, with a high near 51. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 39.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 60.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 42.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
1:07 pm PDT Mar 13, 2026
1pm PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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