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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

LOOKOUT (LKTI1)

Lat: 47.45792°NLon: 115.70577°WElev: 5140.0ft.

NA

50°F

10°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

3 Miles NNW Lookout Pass MT

  • Today

    Today: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Light and variable wind.
Tonight
Mostly clear, with a low around 49. Calm wind.
Monday
Sunny, with a high near 77. Light and variable wind.
Monday Night
Mostly clear, with a low around 51. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 66.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lookout Pass MT
 47.46°N 115.72°W (Elev. 3789 ft)
Last Update:
2:21 am PDT Sep 20, 2026
Forecast Valid:
5am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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