Lewis and Clark County (Helena)
Tomorrow
Tomorrow weather in Lewis and Clark County
Wednesday, September 30th, 2026
17°
Overcast
Feels like 11° · Low 7°
The weather tomorrow in Lewis and Clark County will be colder than today, with max temperatures of 17°.
The wind tomorrow will get stronger and reach 22 km/h.
17° / 7°
Temp
17%
Rain
22 km/h
Wind
54%
Humidity
Lewis and Clark County Weather Pages
Lewis and Clark County hourly forecast for tomorrow
Scroll right to see more weather forecasts for Lewis and Clark County tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 07:00 AM | 07:25 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:10 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | | | |  |  |  | | | | |  | | | |  | | |  | | | | | Next |
| temperatures | 11.8° | 11.7° | 11.7° | 10.9° | 10.6° | 9.8° | 11.7° | 11.6° | Sunrise | 11.3° | 12.9° | 13.2° | 14.4° | 15.7° | 16.6° | 16.6° | 17° | 16.6° | 16° | 15.3° | 11.3° | Sunset | 7.7° | 7° | 6.9° | 7.3° | |
| Feels like | 9.3° | 9.2° | 9.1° | 8.8° | 8.7° | 8.5° | 10° | 10.1° | 9.9° | 11° | 11.2° | 11.1° | 11.3° | 11.4° | 11.1° | 11.1° | 10.4° | 10.5° | 10.3° | 8.9° | 5.4° | 4.6° | 6.2° | 4.8° | |||
| wind speed | 11 km/h | 12 km/h | 12 km/h | 10 km/h | 10 km/h | 8 km/h | 7 km/h | 7 km/h | 7 km/h | 6 km/h | 6 km/h | 10 km/h | 15 km/h | 19 km/h | 20 km/h | 21 km/h | 22 km/h | 19 km/h | 16 km/h | 10 km/h | 3 km/h | 4 km/h | 5 km/h | 5 km/h | |||
| wind degree | 221° | 210° | 226° | 239° | 243° | 232° | 219° | 236° | 248° | 246° | 257° | 266° | 296° | 309° | 313° | 311° | 303° | 291° | 302° | 345° | 337° | 281° | 269° | 313° | |||
| wind direction | SW | SSW | SW | WSW | WSW | SW | SW | SW | WSW | WSW | WSW | W | WNW | NW | NW | NW | WNW | WNW | WNW | NNW | NNW | WNW | W | NW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 14% | 14% | 7% | 15% | 16% | 18% | 13% | 12% | 13% | 9% | 10% | 9% | 10% | 5% | 10% | 10% | 10% | 1% | 1% | 2% | 10% | 19% | 19% | 18% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 58% | 58% | 59% | 62% | 63% | 68% | 60% | 61% | 64% | 56% | 54% | 49% | 42% | 39% | 38% | 34% | 35% | 35% | 35% | 49% | 65% | 70% | 72% | 70% | |||
| dew point | 3.8° | 3.9° | 3.9° | 3.9° | 3.9° | 4.1° | 4.2° | 4.4° | 4.8° | 4.4° | 4.2° | 3.8° | 2.9° | 2.5° | 2.3° | 1.2° | 1.1° | 0.5° | -0.1° | 0.9° | 1.6° | 2° | 2.1° | 2.2° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 100% | 52% | 99% | 100% | 100% | 89% | 75% | 77% | 71% | 75% | 79% | 100% | 57% | 100% | 100% | 100% | 5% | 0% | 2% | 61% | 100% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.9 | 1.4 | 3.7 | 3.1 | 3.1 | 3.3 | 2.4 | 1.1 | 0.4 | 0 | 0 | 0 | 0 | 0 |
Weather in Lewis and Clark County tomorrow
The weather in Lewis and Clark County tomorrow is expected to be noticeably cooler than usual, with a forecast temperature of 17 °F, compared to an average of 20 °F for September 30th in recent years.
temperatures
17 °F
rain
0.1 mm
wind
22 km/h
UV
Moderate
Lewis and Clark County daylight overview ☀️
Tomorrow in Lewis and Clark County, The sun rises at 07:25 and sets at 19:10, giving a total daylight duration of 11 hours and 45 minutes.
Top locations in Lewis and Clark County
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What to wear tomorrow in Lewis and Clark County? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's Lewis and Clark County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather tomorrow in Lewis and Clark County - FAQ
What is the maximum temperature for tomorrow in Lewis and Clark County?
The maximum temperature for tomorrow in Lewis and Clark County is expected to be 17° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in Lewis and Clark County? 🌧️
Yes, there is a 17% chance of rain in Lewis and Clark County tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in Lewis and Clark County? 🌀
The wind in Lewis and Clark County is expected to blow at 22 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Lewis and Clark County tomorrow?
Given the forecast of 17 °F with a 17% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Lewis and Clark County tomorrow.
What is the sunrise and sunset time for Lewis and Clark County tomorrow?
The sun is expected to rise at 07:25 and set at 19:10 in Lewis and Clark County.
How accurate is the weather forecast Lewis and Clark County tomorrow? ✅
Lewis and Clark County weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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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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