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Lewis and Clark County (Helena)
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United States weather

10 day weather forecast for Lewis and Clark County

Wednesday, June 3rd, 2026, at 18:57
today
Patchy rain possible
22° 9°
tomorrow
Sunny
29° 6°
Saturday
Sunny
27° 10°
Sunday
Patchy rain possible
16° 4°
Monday
Patchy rain possible
22° 3°
Tuesday
Partly cloudy
25° 8°
Wednesday
Partly cloudy
23° 9°
 More Details See
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Lewis and Clark County Weather Pages

Lewis and Clark County weather forecast

The weather forecast for Lewis and Clark County for today indicates rainy conditions with temperatures around 22 °C.

Rain is expected on Thursday, Sunday, and Monday.

Wind speeds are expected to be strong, averaging around 24 km/h.

On Friday, a significant warming trend with temperatures reaching 29°C.

Weather today
Lewis and Clark County weather forecast

Lewis and Clark County 14 days weather forecast

This weeks weather in Lewis and Clark County. Click on a date for detailed forecasts
Thu. 4
22°
9°
Patchy rain possible
0.5 mm
Fri. 5
29°
6°
Sunny
0 mm
Sat. 6
27°
10°
Sunny
0 mm
Sun. 7
16°
4°
Patchy rain possible
3.6 mm
Mon. 8
22°
3°
Patchy rain possible
2.7 mm
Tue. 9
25°
8°
Partly cloudy
0.1 mm
Wed. 10
23°
9°
Partly cloudy
0 mm
Thu. 11
24°
8°
Sunny
0 mm
Fri. 12
17°
5°
Partly cloudy
0 mm
Sat. 13
25°
5°
Sunny
0 mm
Sun. 14
21°
12°
Moderate rain
5.4 mm
Mon. 15
7°
5°
Moderate rain
5.9 mm
Tue. 16
18°
3°
Sunny
0 mm
Further Ahead
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Access Lewis and Clark County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Lewis and Clark County long range weather forecast

30 day weather forecast for Lewis and Clark County
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
18°
2
Thundery outbreaks possible
14°
3
Partly cloudy
16°
4
Patchy rain possible
22°
5
Sunny
29°
6
Sunny
27°
7
Patchy rain possible
16°
8
Patchy rain possible
22°
9
Partly cloudy
25°
10
Partly cloudy
23°
11
Sunny
24°
12
Partly cloudy
17°
13
Sunny
25°
14
Moderate rain
21°
15
Moderate rain
7°
16
Sunny
18°
17
Sunny
24°
18
Sunny
25°
19
Cloudy
26°
20
Moderate or heavy rain shower
20°
21
Partly cloudy
13°
22
Moderate or heavy rain shower
8°
23
Sunny
19°
24
Sunny
23°
25
Partly cloudy
26°
26
Thundery outbreaks possible
22°
27
Thundery outbreaks possible
23°
28
Partly cloudy
24°
29
Sunny
24°
30
Sunny
27°
Important Notice
Our Lewis and Clark County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Lewis and Clark County

The chart displays the expected rainfall values (in mm) over the next 14 days in Lewis and Clark County, highlighting variations in precipitation levels for specific dates. ☔

Lewis and Clark County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Lewis and Clark County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Lewis and Clark County?

Get accurate weather forecasts for Lewis and Clark County, located at latitude 46.593 and longitude -112.036. Stay updated with localized weather information tailored for Lewis and Clark County.

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