Lewis and Clark County (Helena)
Today
Today weather in Lewis and Clark County
Tuesday, September 29th, 2026
20°
Overcast
Feels like 15° · Low 7°
Mild temperatures are expected in Lewis and Clark County Today, peaking at around 20 °F and dropping to 6 °F by night. It'll be quite breezy in Lewis and Clark County Today with average wind speeds of 20 km/h. There's a slight chance of rain at 6%.
20° / 7°
Temp
6%
Rain
20 km/h
Wind
45%
Humidity
Lewis and Clark County Weather Pages
Lewis and Clark County hourly forecast for today
Scroll right to see more weather forecasts for Lewis and Clark County today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 07:00 AM | 07:24 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 | 07:12 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | | |  |  | | | | | | | | | | | |  |  | | | | Next |
| temperatures | 8.3° | 7.9° | 7.6° | 7.3° | 7.1° | 6.9° | 6.8° | 6.5° | Sunrise | 7.4° | 11.1° | 13.3° | 15.3° | 17.3° | 18.5° | 19.9° | 20.2° | 19.5° | 19.3° | 18.2° | 15.3° | Sunset | 12.7° | 12.3° | 12.2° | 12.2° | |
| Feels like | 6.2° | 5.6° | 5.3° | 5° | 4.8° | 4.7° | 4.7° | 4.5° | 5.4° | 9° | 10° | 11.4° | 13.1° | 13.4° | 15° | 14.5° | 14° | 14.4° | 13.6° | 11.7° | 9.9° | 9.7° | 9.6° | 9.7° | |||
| wind speed | 12 km/h | 13 km/h | 13 km/h | 12 km/h | 12 km/h | 11 km/h | 10 km/h | 10 km/h | 10 km/h | 8 km/h | 7 km/h | 7 km/h | 9 km/h | 15 km/h | 16 km/h | 21 km/h | 20 km/h | 18 km/h | 17 km/h | 11 km/h | 11 km/h | 10 km/h | 11 km/h | 10 km/h | |||
| wind degree | 201° | 202° | 207° | 205° | 199° | 202° | 208° | 204° | 205° | 208° | 218° | 240° | 246° | 272° | 257° | 270° | 271° | 276° | 275° | 253° | 218° | 216° | 222° | 231° | |||
| wind direction | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | WSW | WSW | W | WSW | W | W | W | W | WSW | SW | SW | SW | SW | |||
| 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 | 2% | 3% | 3% | 3% | 4% | 3% | 4% | 3% | 7% | 10% | 9% | 8% | 9% | 7% | 8% | 9% | 10% | 10% | 7% | 11% | 13% | 14% | 14% | 13% | |||
| 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 | 50% | 53% | 56% | 58% | 59% | 58% | 58% | 57% | 52% | 40% | 32% | 25% | 23% | 25% | 27% | 30% | 32% | 34% | 37% | 46% | 54% | 56% | 56% | 56% | |||
| dew point | -1.4° | -1.2° | -0.7° | -0.4° | -0.3° | -0.7° | -0.9° | -1.4° | -1.9° | -1.9° | -2.9° | -4.7° | -4° | -1.6° | 0.3° | 2.1° | 2.4° | 3° | 3.4° | 3.6° | 3.8° | 3.8° | 3.8° | 3.7° | |||
| 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 | 3% | 4% | 10% | 5% | 3% | 0% | 8% | 6% | 64% | 100% | 98% | 93% | 100% | 85% | 88% | 100% | 100% | 100% | 78% | 100% | 100% | 100% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.7 | 1.7 | 2.5 | 3.4 | 3 | 2.9 | 2.1 | 1.1 | 0.4 | 0 | 0 | 0 | 0 | 0 |
Weather in Lewis and Clark County today
The weather in Lewis and Clark County today is expected to be much cooler than usual, with a forecast temperature of 20 °F, compared to an average of 26 °F for September 29th in recent years.
temperatures
20 °F
rain
0 mm
wind
20 km/h
UV
Moderate
Lewis and Clark County daylight overview ☀️
Today in Lewis and Clark County, The sun rises at 07:24 and sets at 19:12, giving a total daylight duration of 11 hours and 48 minutes.
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What to wear today in Lewis and Clark County? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Lewis and Clark County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in Lewis and Clark County - FAQ
What is the maximum temperature for today in Lewis and Clark County?
The maximum temperature for today in Lewis and Clark County is expected to be 20° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Lewis and Clark County? 🌧️
Yes, there is a 6% chance of rain in Lewis and Clark County today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Lewis and Clark County? 🌀
The wind in Lewis and Clark County is expected to blow at 20 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Lewis and Clark County today?
Given the forecast of 20 °F with a 6% chance of rain, we advise checking our "What to wear today" 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 today.
What is the sunrise and sunset time for Lewis and Clark County today?
The sun is expected to rise at 07:24 and set at 19:12 in Lewis and Clark County.
How accurate is the weather forecast Lewis and Clark County today? ✅
Lewis and Clark County weather forecast for today 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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