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Westby, MT Weather

It is 34°F in Westby, MT, observed at 2:45 AM MDT. Today: Cloudy then Slight Chance Light Rain, high 52°F, low 33°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Westby, MT current weather

34°F

Mostly Cloudy

H 52° / L 33°Feels like 27°

  • No rain expected in the next 12 hours

Observed at Comertown Turn-Off MT-5 MP 13.4 (9.9 mi away), 10/31/2026, 2:45 AM MDT

Hourly forecast

NWS, updated 10/31/2026, 12:25 AM PT

  1. Now34°10%
  2. 4 AM35°10%
  3. 5 AM34°10%
  4. 6 AM35°
  5. 7 AM35°
  6. 8 AM36°
  7. 9 AM40°
  8. 10 AM44°
  9. 11 AM46°
  10. 12 PM48°14%
  11. 1 PM50°16%
  12. 2 PM51°14%
  13. 3 PM52°11%
  14. 4 PM52°11%
  15. 5 PM51°15%
  16. 6 PM48°14%
  17. 7 PM47°17%
  18. 8 PM46°17%
  19. 9 PM46°28%
  20. 10 PM46°33%
  21. 11 PM45°40%
  22. 12 AM45°52%Sun
  23. 1 AM45°47%
  24. 1 AM45°48%
  25. 2 AM44°40%
  26. 3 AM44°36%
  27. 4 AM44°31%
  28. 5 AM42°
  29. 6 AM44°
  30. 7 AM44°
  31. 8 AM46°
  32. 9 AM49°
  33. 10 AM50°
  34. 11 AM51°
  35. 12 PM52°
  36. 1 PM52°
  37. 2 PM52°
  38. 3 PM52°
  39. 4 PM53°
  40. 5 PM49°22%
  41. 6 PM48°22%
  42. 7 PM47°22%
  43. 8 PM46°22%
  44. 9 PM45°22%
  45. 10 PM45°22%
  46. 11 PM44°64%
  47. 12 AM43°64%Mon
  48. 1 AM43°64%

7-day forecast

Tap a day for details

  • Today10/3116% chance of precipitationLow 33°High 52°

    Saturday: A slight chance of rain between 2pm and 3pm. Cloudy, with a high near 52. East wind 6 to 9 mph. Chance of precipitation is 20%.

    Overnight: Cloudy. Low around 33, with temperatures rising to around 35 overnight. East wind around 7 mph.

    Cloudy then Slight Chance Light Rain
  • Sun11/164% chance of precipitationLow 38°High 53°

    Sunday: Patchy fog before noon. Cloudy, with a high near 53. North wind around 6 mph.

    Sunday Night: Rain likely. Cloudy, with a low around 38. Northeast wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Patchy Fog then Cloudy
  • Mon11/259% chance of precipitationLow 27°High 47°

    Monday: Rain likely. Cloudy, with a high near 47. North wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

    Monday Night: Mostly cloudy, with a low around 27. Northwest wind 7 to 17 mph, with gusts as high as 31 mph.

    Light Rain Likely
  • Tue11/3Low 28°High 49°

    Tuesday: Mostly sunny, with a high near 49. Northwest wind 6 to 10 mph.

    Tuesday Night: Partly cloudy, with a low around 28. West wind around 6 mph.

    Mostly Sunny
  • Wed11/4Low 26°High 48°

    Wednesday: Mostly sunny, with a high near 48. Northwest wind 5 to 10 mph.

    Wednesday Night: Partly cloudy, with a low around 26. North wind 3 to 7 mph.

    Mostly Sunny
  • Thu11/5Low 28°High 47°

    Thursday: Mostly sunny, with a high near 47. Southeast wind 3 to 10 mph, with gusts as high as 18 mph.

    Thursday Night: Partly cloudy, with a low around 28. Southeast wind around 8 mph.

    Mostly Sunny
  • Fri11/6Low High 49°

    Friday: Partly sunny, with a high near 49.

    Partly Sunny

Forecast for 48.871, -104.055 from the NWS GGW office, updated 10/31/2026, 12:25 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. Now34°Mostly Cloudy10%7 mph
  2. 4 AM35°Cloudy10%7 mph
  3. 5 AM34°Mostly Cloudy10%7 mph
  4. 6 AM35°Cloudy7%7 mph
  5. 7 AM35°Cloudy6%7 mph
  6. 8 AM36°Cloudy6%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 weather in Westby, MT right now?
The latest observation from Comertown Turn-Off MT-5 MP 13.4 was 34°F, reported at 10/31/2026, 2:45 AM MDT.
What is the high temperature today in Westby, MT?
The National Weather Service forecast for saturday calls for a high near 52°F. Cloudy then Slight Chance Light Rain.
Will it rain in Westby, MT in the next 24 hours?
The hourly forecast shows a 52% chance of precipitation around 11/01/2026, 12:00 AM MDT.
What time is sunrise and sunset in Westby, MT today?
Sunrise is about 7:42 AM MDT and sunset is about 5:37 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Westby, MT?
At Westby, the 1991 to 2020 normal high in October is 54°F and the normal low is 29°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

Sheridan County, week of 10/27/2026

9% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:42 AM
Sunset
5:37 PM
Daylight
9 hr 55 min
Moon
Waning Gibbous 72% lit
First light (civil dawn)
7:09 AM
Last light (civil dusk)
6:10 PM
Moonrise
10:21 PM
Moonset
2:06 PM

Normal October weather

Climate

Normal October high 54°, low 29°, precipitation 0.97 in for the month. 1991 to 2020 normals at Westby, 0 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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