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Dayton, MT 59931 Weather

It is 37°F in Dayton, MT 59931, observed at 12:43 PM MDT. Today: Partly Sunny, high 44°F, low 33°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Dayton, MT 59931 current weather

37°F

Partly Sunny

H 44° / L 33°Feels like 37°

  • No rain expected in the next 12 hours

Observed at JETTE (10.5 mi away), 10/30/2026, 12:43 PM MDT

Hourly forecast

NWS, updated 10/30/2026, 11:27 AM PT

  1. Now42°
  2. 3 PM44°
  3. 4 PM44°
  4. 5 PM43°
  5. 6 PM41°
  6. 7 PM39°10%
  7. 8 PM37°10%
  8. 9 PM37°
  9. 10 PM37°
  10. 11 PM37°
  11. 12 AM37°Sat
  12. 1 AM37°
  13. 2 AM36°
  14. 3 AM36°
  15. 4 AM35°
  16. 5 AM35°
  17. 6 AM35°
  18. 7 AM33°
  19. 8 AM33°
  20. 9 AM34°
  21. 10 AM38°
  22. 11 AM41°
  23. 12 PM43°
  24. 1 PM44°
  25. 2 PM45°
  26. 3 PM46°
  27. 4 PM47°
  28. 5 PM45°
  29. 6 PM43°
  30. 7 PM41°
  31. 8 PM38°
  32. 9 PM37°
  33. 10 PM37°
  34. 11 PM37°
  35. 12 AM36°Sun
  36. 1 AM36°
  37. 1 AM35°
  38. 2 AM35°
  39. 3 AM35°
  40. 4 AM36°10%
  41. 5 AM35°20%
  42. 6 AM34°20%
  43. 7 AM34°20%
  44. 8 AM35°20%
  45. 9 AM37°20%
  46. 10 AM39°20%
  47. 11 AM41°53%
  48. 12 PM42°53%

7-day forecast

Tap a day for details

  • Today10/3010% chance of precipitationLow 33°High 44°

    This Afternoon: Partly sunny, with a high near 44. North northeast wind around 3 mph.

    Tonight: Mostly cloudy, with a low around 33. Northwest wind around 2 mph.

    Partly Sunny
  • Sat10/3120% chance of precipitationLow 34°High 47°

    Saturday: Mostly sunny, with a high near 47. North northeast wind around 3 mph.

    Saturday Night: A slight chance of rain after 5am. Mostly cloudy, with a low around 34. North wind around 3 mph. Chance of precipitation is 20%.

    Mostly Sunny
  • Sun11/153% chance of precipitationLow 32°High 43°

    Sunday: A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain and snow. Mostly cloudy, with a high near 43. Northwest wind around 5 mph. Chance of precipitation is 50%.

    Sunday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Slight Chance Rain And Snow then Chance Rain And Snow
  • Mon11/2Low 32°High 44°

    Monday: Mostly sunny, with a high near 44.

    Monday Night: Mostly cloudy, with a low around 32.

    Mostly Sunny
  • Tue11/3Low 33°High 44°

    Tuesday: Partly sunny, with a high near 44.

    Tuesday Night: Mostly cloudy, with a low around 33.

    Partly Sunny
  • Wed11/4Low 34°High 46°

    Wednesday: Mostly sunny, with a high near 46.

    Wednesday Night: Partly cloudy, with a low around 34.

    Mostly Sunny
  • Thu11/513% chance of precipitationLow 35°High 47°

    Thursday: Mostly sunny, with a high near 47.

    Thursday Night: Mostly cloudy, with a low around 35.

    Mostly Sunny

Forecast for 47.918, -114.252 from the NWS MSO office, updated 10/30/2026, 11:27 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now42°Partly Sunny0%3 mph
  2. 3 PM44°Partly Sunny0%3 mph
  3. 4 PM44°Partly Sunny0%3 mph
  4. 5 PM43°Partly Sunny0%2 mph
  5. 6 PM41°Mostly Cloudy8%2 mph
  6. 7 PM39°Cloudy10%1 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Dayton, MT 59931 right now?
The latest observation from JETTE was 37°F, reported at 10/30/2026, 12:43 PM MDT.
What is the high temperature today in Dayton, MT 59931?
The National Weather Service forecast for this afternoon calls for a high near 44°F. Partly Sunny.
Will it rain in Dayton, MT 59931 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Dayton, MT 59931 today?
Sunrise is about 8:19 AM MDT and sunset is about 6:21 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Dayton, MT 59931?
At Bigfork 13 S, the 1991 to 2020 normal high in October is 55°F and the normal low is 38°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.03 in
Snow
0.00 in
Ice
--

Nearby hazards

Montana hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: Bras Fire (1,688 acres)

Drought

By county

Lake County, week of 10/27/2026

6% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
8:19 AM
Sunset
6:21 PM
Daylight
10 hr 3 min
Moon
Waning Gibbous 77% lit
First light (civil dawn)
7:47 AM
Last light (civil dusk)
6:54 PM
Moonrise
9:46 PM
Moonset
2 PM

Normal October weather

Climate

Normal October high 55°, low 38°, precipitation 2.41 in for the month. 1991 to 2020 normals at Bigfork 13 S, 11 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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