Dillon, MT 59725 Weather

Beaverhead County6:38 AM MDT45.23°N, 112.64°W

Current conditions

Mostly Sunny
40°
Mostly Sunny
Feels like 37°
High 68°·Low 42°
WindSSW 5 mph
Humidity87%
Dew point36°
Visibility10 mi
Cloud cover49%
UV index0 Low
Sunrise7:56 AM
Sunset6:35 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Thursday

    Mostly sunny, with a high near 68. South southwest wind 3 to 10 mph, with gusts as high as 20 mph.

  • Thursday Night

    Rain after 1am. Mostly cloudy. Low around 42, with temperatures rising to around 46 overnight. Southwest wind 5 to 8 mph. Chance of precipitation is 80%.

  • Friday

    Rain. Cloudy, with a high near 51. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

National Weather Service forecast updated 3 hrs ago.

Hourly

Hourly forecast
  1. Now Mostly Sunny 40°
  2. 7 AM Mostly Sunny 40°
  3. 8 AM Mostly Sunny 38°
  4. 9 AM Sunny 42°
  5. 10 AM Sunny 50°
  6. 11 AM Sunny 55°
  7. 12 PM Sunny 59°
  8. 1 PM Sunny 64°
  9. 2 PM Sunny 65°
  10. 3 PM Mostly Sunny 66°
  11. 4 PM Mostly Sunny 68°
  12. 5 PM Mostly Sunny 66°
  13. 6 PM Partly Cloudy 64°
  14. 7 PM Partly Cloudy 60°
  15. 8 PM Mostly Clear 53°13%
  16. 9 PM Partly Cloudy 51°11%
  17. 10 PM Partly Cloudy 50°
  18. 11 PM Partly Cloudy 49°
  19. Fri12 AM Mostly Cloudy 49°12%
  20. 1 AM Slight Chance Light Rain 48°15%
  21. 2 AM Chance Light Rain 47°31%
  22. 3 AM Chance Light Rain 47°49%
  23. 4 AM Light Rain 47°81%
  24. 5 AM Light Rain Likely 46°68%

10-day forecast

Details
  1. TonightOct 21 Partly Cloudy Partly Cloudy38°
  2. TodayOct 22 Mostly Sunny Mostly Sunny81%42°68°
  3. FriOct 23 Rain Rain97%27°51°
  4. SatOct 24 Mostly Sunny Mostly Sunny25°44°
  5. SunOct 25 Sunny Sunny26°49°
  6. MonOct 26 Mostly Sunny Mostly Sunny14%26°51°
  7. TueOct 27 Slight Chance Rain And Snow Slight Chance Rain And Snow23%26°49°
  8. WedOct 28 Mostly Sunny Mostly Sunny47°
  9. ThuOct 29 Mostly sunny Mostly sunny30°47°
  10. FriOct 30 Cloudy Cloudy33°54°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news near Dillon

More weather news
  • WSAZ+ | First Alert Weather Day as strong cold front is set to move in

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    wsaz.com·5 days ago
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  • First Alert Weather: Scattered rain Thursday ahead of strong cold front

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  • Sunshine Returns, Slow Warmup Ahead

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    KBZK News·7 days ago
  • WSAZ+ | First Alert Weather Day due to later storms

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    wsaz.com·7 days ago
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  • First weather warning of the day takes effect

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  • Up to 16″ of snow could hit I-70 by Friday morning in Colorado

    Denver Gazette Early-opener contenders might actually get some decent snow over the next five days, likely to be followed another storm ahead that’s expected to hit between October 21 and 22 at this time. Per the…

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  • WSAZ+ | Summer-like feel mid-week before strong cold front

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Air quality

4
Good
Fine particles (PM2.5)

Air quality is satisfactory, and air pollution poses little or no risk.

Dillon, MT reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:56 AM
Sunset 6:35 PM
Daylight 10 h 38 min (−2 min 58 s tomorrow)
Waxing Gibbous · 85% lit
Moonrise 4:48 PM Moonset 3:56 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low53° / 28°
Record high78° (2003)
Record low9° (1895)
Wettest0.50 in (1961)
Month to date0.51 in (normal 0.69 in)

Dillon U Of Montana Western, records since 1895. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Forecasters' discussion

From the National Weather Service office in TFX, issued 19 hrs ago

Key Messages

- It will be mostly dry across North-central, Central, and Southwestern Montana through the day on Thursday.

- It will be windy across North-central Montana on Friday.

- Widespread precipitation returns late Thursday through Friday.

- Temperatures will be well-above seasonal averages through Thursday with temperatures cooling down Friday through this weekend.

Discussion

/Issued 501 AM MDT Wed Oct 21 2026/

- Meteorological Overview:

Today over Southwestern Montana there remains Southwest flow aloft with weak zonal flow (west-east) over North-central, and Central Montana. Due to slightly stronger warm air advection today temperatures will rebound to above seasonal averages. Across North- central and Central Montana it will be dry with a low chance for showers across Southwestern Montana today. See the Forecast Confidence & Scenarios Section for details. On Thursday there remains southerly flow aloft and an upper-level trough associated with a Pacific Cold front begins to move over North-central, Central, and Southwestern Montana by Thursday evening. This will allow temperatures to remain above seasonal averages with mostly dry weather until Thursday evening. Thursday evening into Friday morning precipitation will gradually spread over North-central, Central, and Southwestern Montana.

On Friday the upper-level trough merges with a shortwave trough moving south from Canada. This combined with the cold front that moved through will bring widespread precipitation and cooler temperatures (below seasonal averages) to the area. Due to the cold front that moved through Thursday evening into Friday morning snow-levels will lower and the precipitation that falls in mountain areas on Friday will transition from rain to snow by Friday evening. On Friday there is an increasing pressure gradient and strong low-level and mid-level winds. This will bring windy conditions to North-central Montana on Friday. On Saturday an upper-level ridge begins to build in over North-central, Central, and Southwestern Montana. This will allow the area to dry out with cool temperatures lingering.

On Sunday the upper-level ridge remains over North-central, Central, and Southwestern Montana. This will keep dry and cool (below seasonal averages) weather for the area on Sunday. Monday through Tuesday an upper-level trough moves over North-central, Central, and Southwestern Montana. This will bring cooler temperatures and widespread precipitation to the area on Monday and Tuesday. -IG

- Forecast Confidence & Scenarios:

Aviation

21/18Z TAF Period

VFR conditions will continue at all terminals during this TAF period. Generally, cloud cover will be limited to a few high level clouds and winds will be mild. However, KWYS is expected to have a period of increased mid-level cloud cover between 0900-1600Z. -ESH

Preliminary Point Temps

GTF 45 74 42 50 / 0 0 30 100 CTB 39 70 38 46 / 0 0 60 90 HLN 39 71 43 51 / 10 0 40 100 BZN 38 70 40 51 / 0 0 30 100 WYS 29 62 32 46 / 10 10 70 100 DLN 38 66 41 48 / 10 0 80 100 HVR 37 73 40 55 / 0 0 20 100 LWT 45 75 43 52 / 0 0 20 100

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.