Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

SALTER (SAWC2)

Lat: 37.65119°NLon: 108.537°WElev: 8147.0ft.

NA

51°F

11°C

Humidity 20%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 13 May 01:24 AM MDT
Extended Forecast for

Lewis CO

  • Overnight

    Overnight: Mostly clear, with a low around 49. East northeast wind around 10 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. East northeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 47. South wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 25 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44. West wind 5 to 15 mph becoming east northeast after midnight.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Breezy.

    High: 79 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 49. East northeast wind around 10 mph.
Wednesday
Mostly sunny, with a high near 82. East northeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. South wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 77. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 44. West wind 5 to 15 mph becoming east northeast after midnight.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 79. Breezy.
Saturday Night
Mostly clear, with a low around 44. Breezy.
Sunday
Sunny, with a high near 74. Breezy.
Sunday Night
Partly cloudy, with a low around 39. Breezy.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewis CO
 37.5°N 108.67°W (Elev. 6680 ft)
1:36 am MDT May 13, 2026
2am MDT May 13, 2026-6pm MDT May 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database