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Basin, MT 59631 Weather

Today: Patchy Fog then Mostly Sunny, high 38°F, low 25°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Basin, MT 59631 current weather

25°F

Patchy Fog

Forecast for this hour. No recent report from a nearby station.

H 38° / L 25°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/29/2026, 2:31 AM PT

Hourly forecast

NWS, updated 10/29/2026, 2:31 AM PT

  1. Now25°
  2. 9 AM25°
  3. 10 AM29°
  4. 11 AM33°
  5. 12 PM35°
  6. 1 PM37°
  7. 2 PM37°
  8. 3 PM38°
  9. 4 PM37°
  10. 5 PM36°
  11. 6 PM32°
  12. 7 PM29°
  13. 8 PM28°
  14. 9 PM27°
  15. 10 PM27°
  16. 11 PM27°
  17. 12 AM26°Fri
  18. 1 AM26°
  19. 2 AM26°
  20. 3 AM26°
  21. 4 AM26°
  22. 5 AM26°
  23. 6 AM25°
  24. 7 AM26°
  25. 8 AM26°
  26. 9 AM27°
  27. 10 AM30°
  28. 11 AM33°
  29. 12 PM36°
  30. 1 PM39°
  31. 2 PM39°
  32. 3 PM41°
  33. 4 PM40°
  34. 5 PM39°
  35. 6 PM35°15%
  36. 7 PM34°15%
  37. 8 PM34°15%
  38. 9 PM34°15%
  39. 10 PM33°15%
  40. 11 PM33°15%
  41. 12 AM32°Sat
  42. 1 AM31°
  43. 2 AM31°
  44. 3 AM31°
  45. 4 AM30°
  46. 5 AM30°
  47. 6 AM30°
  48. 7 AM29°

10-day forecast

Tap a day for details

  • Today10/29Low 25°High 38°

    Today: Patchy fog before 10am. Mostly sunny, with a high near 38. South wind around 6 mph.

    Tonight: Mostly cloudy, with a low around 25. East wind around 6 mph.

    Patchy Fog then Mostly Sunny
  • Fri10/3015% chance of precipitationLow 29°High 41°

    Friday: Partly sunny, with a high near 41. Southeast wind around 6 mph.

    Friday Night: A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and midnight. Mostly cloudy, with a low around 29. South southwest wind around 6 mph. Chance of precipitation is 20%.

    Partly Sunny
  • Sat10/3174% chance of precipitationLow 31°High 41°

    Saturday: Partly sunny, with a high near 41. Southwest wind around 5 mph.

    Saturday Night: Rain and snow likely after midnight. Mostly cloudy, with a low around 31. South southeast wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than half an inch possible.

    Partly Sunny
  • Sun11/179% chance of precipitationLow 24°High 34°

    Sunday: Rain and snow. Cloudy, with a high near 34. West northwest wind 3 to 7 mph. New snow accumulation of 1 to 2 inches possible.

    Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 24. West northwest wind 7 to 12 mph, with gusts as high as 20 mph. New snow accumulation of 1 to 2 inches possible.

    Rain And Snow
  • Mon11/216% chance of precipitationLow 25°High 36°

    Monday: A slight chance of snow before 11am. Mostly sunny, with a high near 36.

    Monday Night: Partly cloudy, with a low around 25.

    Slight Chance Light Snow then Mostly Sunny
  • Tue11/3Low 26°High 41°

    Tuesday: Mostly sunny, with a high near 41.

    Tuesday Night: Partly cloudy, with a low around 26.

    Mostly Sunny
  • Wed11/4Low 26°High 41°

    Wednesday: Mostly sunny, with a high near 41.

    Wednesday Night: Partly cloudy, with a low around 26.

    Mostly Sunny
  • Thu11/5Model blendLow 26°High 52°

    Thursday: Partly cloudy. High near 52°. Low that night near 26°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend13% chance of precipitationLow 25°High 50°

    Friday: Partly cloudy. High near 50°. Low that night near 25°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend11% chance of precipitationLow 25°High 49°

    Saturday: Partly cloudy. High near 49°. Low that night near 25°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 46.300, -112.398 from the NWS TFX office, updated 10/29/2026, 2:31 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KBTM (Butte/Mooney Arpt, 24 mi), model run 10/29/2026, 2:00 AM MDT

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. Now25°Patchy Fog0%5 mph
  2. 9 AM25°Patchy Fog0%6 mph
  3. 10 AM29°Partly Sunny0%3 mph
  4. 11 AM33°Partly Sunny0%5 mph
  5. 12 PM35°Mostly Sunny0%6 mph
  6. 1 PM37°Mostly Sunny0%6 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 high temperature today in Basin, MT 59631?
The National Weather Service forecast for today calls for a high near 38°F. Patchy Fog then Mostly Sunny.
Will it rain in Basin, MT 59631 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 is the 10-day forecast for Basin, MT 59631?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 49°F to 52°F. Model guidance this far out often changes.
What time is sunrise and sunset in Basin, MT 59631 today?
Sunrise is about 8:07 AM MDT and sunset is about 6:19 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Basin, MT 59631?
At Boulder, the 1991 to 2020 normal high in October is 57°F and the normal low is 28°F.

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: None reported

Drought

By county

Jefferson County, week of 10/20/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
8:07 AM
Sunset
6:19 PM
Daylight
10 hr 12 min
Moon
Waning Gibbous 87% lit
First light (civil dawn)
7:35 AM
Last light (civil dusk)
6:50 PM
Moonrise
8:33 PM
Moonset
12:44 PM

Normal October weather

Climate

Normal October high 57°, low 28°, precipitation 0.64 in for the month. 1991 to 2020 normals at Boulder, 14 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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