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Plan your week in Lewis And Clark County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Lewis And Clark County 7-Day Weather Forecast

Wednesday, Oct 21, 2026

Daytime
51°F

Sunny / Clear

Feels like 51°F

Humidity

54%

Wind Speed

4.7 mph

Precipitation

0 in

Pressure

1018 hPa

UV Index

3

Visibility

10 mi

Cloud Cover

2%

Dew Point

42°F

7-Day Weather Forecast

Today

Oct 21

Sunny / Clear
62°H
51°L
0%

Thu

Oct 22

Sunny / Clear
62°H
44°L
0%

Fri

Oct 23

Sunny / Clear
57°H
34°L
63%

Sat

Oct 24

Sunny / Clear
33°H
23°L
30%

Sun

Oct 25

Sunny / Clear
35°H
28°L
0%

Mon

Oct 26

Sunny / Clear
37°H
25°L
0%

Tue

Oct 27

Sunny / Clear
45°H
35°L
0%

24-Hour Forecast

5 PM

51°

0%

6 PM

55°

0%

7 PM

58°

0%

8 PM

60°

0%

9 PM

62°

0%

10 PM

62°

0%

11 PM

61°

0%

12 AM

56°

0%

1 AM

52°

0%

2 AM

51°

0%

3 AM

50°

0%

4 AM

50°

0%

5 AM

49°

0%

6 AM

48°

0%

7 AM

48°

0%

8 AM

47°

0%

9 AM

46°

0%

10 AM

46°

0%

11 AM

45°

0%

12 PM

44°

0%

1 PM

45°

0%

2 PM

45°

0%

3 PM

48°

0%

4 PM

52°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

143.3° SE

Sustained Wind

4.7 mph

Wind Gusts

4.7 mph

7-Day Temp Range

Week's Hottest

62°F

Max Rain Prob

63%

Expected 7-Day Swings

23°
62°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Lewis And Clark County · 46.83°N, 112.19°W
Radar Page
Coordinates46.8261°N, 112.1926°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index3Moderate Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Lewis And Clark County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Lewis And Clark County Climate & Weather

Weather forecast for Lewis And Clark County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.