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United States weather

Weather in Lewis and Clark County, Montana for April 2026

Your guide to Lewis and Clark County weather in April - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Lewis and Clark County usually enjoys a light touch of snow in April.
    According to Lewis and Clark County snow forecast for April 2026, 4 snowy days are expected until the end of the month. The closest date with snow is Thursday, April 23.

    • Temperatures

  • Until now, April 2026 in Lewis and Clark County has been nearly identical to the historical average, with a temperature of 10.8 °F (showing only a slight deviation of -0.1 °F).

  • The forecast for the upcoming days in Lewis and Clark County predicts a temperature of 12.8 °F, which is slightly above the historical average.

  • In general, the average temperature in Lewis and Clark County at the beginning of April is 9.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 9 °F by the end of April.

    • Rain 🌧️

  • Lewis and Clark County experiences moderate rainfall in April, with an average of 8 rainy days and a total precipitation of 27.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
19
Dry days
Average rainy days
8
Rainy days
Average snowy days
3
Snow days
Average temperatures
11°/-1°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Lewis and Clark County Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy moderate snow
7°
2
Light freezing rain
5°
3
Patchy rain possible
6°
4
Partly cloudy
10°
5
Sunny
12°
6
Sunny
14°
7
Overcast
15°
8
Patchy rain possible
10°
9
Heavy rain at times
11°
10
Overcast
19°
11
Overcast
17°
12
Patchy rain possible
11°
13
Moderate snow
9°
14
Sunny
12°
15
Sunny
15°
16
Patchy rain possible
7°
17
Light freezing rain
3°
18
Sunny
12°
19
Overcast
14°
20
Sunny
24°
21
Sunny
26°
22
Patchy rain possible
18°
23
Heavy snow
3°
24
Light snow showers
3°
25
Patchy rain possible
4°
26
Light snow showers
4°
27
Patchy rain possible
9°
28
Patchy rain possible
14°
29
Patchy rain possible
14°
30
Patchy rain possible
15°

Temperatures trend during April in Lewis and Clark County

See the weather trend as well as the moving average line

April weather in Lewis and Clark County day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Patchy moderate snow
Patchy moderate snow
 7° /-1° 13.1 mm 0.8 cm
Apr. 2 Light freezing rain
Light freezing rain
 5° /-2° 10.3 mm 5.8 cm
Apr. 3 Patchy rain possible
Patchy rain possible
 6° /-4° 0.2 mm 0 cm
Apr. 4 Partly cloudy
Partly cloudy
 10° /-4° 0 mm 0 cm
Apr. 5 Sunny
Sunny
 12° /-4° 0 mm 0 cm
Apr. 6 Sunny
Sunny
 14° /-1° 0 mm 0 cm
Apr. 7 Overcast
Overcast
 15° /-1° 0 mm 0 cm
Apr. 8 Patchy rain possible
Patchy rain possible
 10° /-1° 0.6 mm 0 cm
Apr. 9 Heavy rain at times
Heavy rain at times
 11° /-1° 0.6 mm 0 cm
Apr. 10 Overcast
Overcast
 19° /0° 1.4 mm 0 cm
Apr. 11 Overcast
Overcast
 17° /5° 6.8 mm 0 cm
Apr. 12 Patchy rain possible
Patchy rain possible
 11° /3° 0.5 mm 0 cm
Apr. 13 Moderate snow
Moderate snow
 9° /0° 1.8 mm 1.1 cm
Apr. 14 Sunny
Sunny
 12° /-1° 0 mm 0 cm
Apr. 15 Sunny
Sunny
 15° /0° 0 mm 0 cm
Apr. 16 Patchy rain possible
Patchy rain possible
 7° /-2° 0.3 mm 0 cm
Apr. 17 Light freezing rain
Light freezing rain
 3° /-3° 6.1 mm 2.6 cm
Apr. 18 Sunny
Sunny
 12° /-4° 0 mm 0 cm
Apr. 19 Overcast
Overcast
 14° /-2° 0 mm 0 cm
Apr. 20 Sunny
Sunny
 24° /7° 0 mm 0 cm
Apr. 21 Sunny
Sunny
 26° /7° 0 mm 0 cm
Apr. 22 Patchy rain possible
Patchy rain possible
 18° /4° 4.4 mm 0 cm
Apr. 23 Heavy snow
Heavy snow
 3° /-5° 10.6 mm 6.4 cm
Apr. 24 Light snow showers
Light snow showers
 3° /-8° 0.7 mm 0.5 cm
Apr. 25 Patchy rain possible
Patchy rain possible
 4° /-7° 0 mm 0 cm
Apr. 26 Light snow showers
Light snow showers
 4° /-4° 0.4 mm 0.2 cm
Apr. 27 Patchy rain possible
Patchy rain possible
 9° /-6° 0.1 mm 0 cm
Apr. 28 Patchy rain possible
Patchy rain possible
 14° /-3° 0.3 mm 0 cm
Apr. 29 Patchy rain possible
Patchy rain possible
 14° /0° 1.5 mm 0 cm
Apr. 30 Patchy rain possible
Patchy rain possible
 15° /1° 0.5 mm 0 cm
Next
Important Notice
Our weather forecast for Lewis and Clark County in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Lewis and Clark County forecast closer to your planned date for the most up-to-date weather information.
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Lewis and Clark County in April - FAQ

What are the expected maximum and minimum temperatures in Lewis and Clark County during April?

Prepare for cooler days with highs just around 11° and colder nights, dipping below -1°.

How much rainfall should be expected in Lewis and Clark County during April?

In April, Lewis and Clark County can expect light to moderate rainfall, totaling 27.4 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Lewis and Clark County in April 2026?

Lewis and Clark County experiences an average snowfall of 5.3 cm during April, occurring over 3 days.

What are the typical wind conditions in Lewis and Clark County during April?

The average wind speed in Lewis and Clark County during April is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Lewis and Clark County snow forecast April 2026

Track daily snowfall levels and discover Lewis and Clark County’s snowy potential this April ❄️
On average, Lewis and Clark County sees 3 snowy days during April, with approximately 5.3 cm of total snowfall.

April rainfall patterns in Lewis and Clark County

Explore the daily rainfall trends and prepare for Lewis and Clark Countys April weather 💧
Typically, Lewis and Clark County has 8 rainy days in April with a total of 27.4 mm of rainfall.

UV exposure in Lewis and Clark County during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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Helena
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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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