Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Clear

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 02 Mar 06:35 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 58 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. East wind 3 to 6 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely after 10pm.  Cloudy, with a low around 45. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain.  High near 51. Calm wind becoming west 5 to 9 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 10am.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 58. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 36. Light and variable wind.
Tuesday
Partly sunny, with a high near 59. East wind 3 to 6 mph.
Tuesday Night
Rain likely after 10pm. Cloudy, with a low around 45. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 51. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 50.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 53.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 47.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
2:42 am PST Mar 2, 2026
6am PST Mar 2, 2026-6pm PDT Mar 8, 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