---
title: "10 Day Weather Forecast for Westby, MT"
description: "Get the latest 10 day weather forecast for Westby, MT. Stay prepared with accurate and up-to-date weather information to plan your week ahead."
location: "Westby, MT"
canonical: "https://www.weatherbug.com/weather-forecast/10-day-weather/westby-mt-59275"
coordinates: ["48.846,-104.1945"]
temperature_units: "°F"
last_updated: "2026-05-31T19:09:00.0000000Z"
source: "WeatherBug"
---

# 10 Day Weather Forecast for Westby, MT

Get the latest 10-day weather forecast for Westby, MT, including day and night conditions, high and low temperatures, wind speed and direction and precipitation chances.
Forecast issued on 2026-05-31T19:09:00+00:00.

## 10 Day Weather Forecast

| Date       | Day Forecast                                     | Night Forecast                                 | High °F | Low °F |

| ---------- | ------------------------------------------------ |------------------------------------------------| -------: | -------: |

| Sun, May 31 | Showers likely with a chance of thunderstorms. Breezy. Near steady temperature in the lower 70s. Southeast wind around 25 mph with gusts up to 35 mph. Chance of rain 70 percent. | Showers likely with a chance of thunderstorms in the evening  then a slight chance of showers after midnight. Breezy with lows in the mid 40s. Southeast wind 15 to 25 mph. Chance of rain 60 percent. | 73°F | 49°F |
| Mon, Jun 1 | Mostly cloudy with a slight chance of showers in the morning  then partly sunny in the afternoon. Breezy with highs in the lower 60s. Southwest wind 20 to 25 mph. Chance of rain 20 percent. | A slight chance of showers in the evening  then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southwest wind 15 to 20 mph  becoming south around 10 mph after midnight. Chance of rain 40 percent. | 56°F | 47°F |
| Tue, Jun 2 | A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. South wind 10 to 15 mph. Chance of rain 50 percent. | A slight chance of showers. Lows in the mid 40s. | 66°F | 46°F |
| Wed, Jun 3 | A chance of showers. Highs in the lower 70s. | Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. | 68°F | 47°F |
| Thu, Jun 4 | Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. | A chance of showers with a slight chance of thunderstorms. Lows in the upper 40s. | 73°F | 53°F |
| Fri, Jun 5 | A chance of showers. Highs in the upper 70s. | A slight chance of showers. Lows in the lower 50s. | 75°F | 55°F |
| Sat, Jun 6 | Mostly sunny. Highs in the mid 80s. | Partly cloudy. Low temperature around 60F. Dew point will be around 53F with an average humidity of 61%. Winds will be 13 mph from the E. | 81°F | 60°F |
| Sun, Jun 7 | Sunny. High temperature around 82F. Dew point will be around 49F with an average humidity of 42%. Winds will be 8 mph from the S. | Mostly clear with a chance of rain. Chance of precipitation 50%. Low temperature around 56F. Dew point will be around 48F with an average humidity of 59%. Winds will be 2 mph from the S. | 82°F | 56°F |
| Mon, Jun 8 | Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 76F. Dew point will be around 47F with an average humidity of 45%. Winds will be 5 mph from the SW. | Clear. Low temperature around 56F. Dew point will be around 49F with an average humidity of 62%. Winds will be 2 mph from the SW. | 76°F | 56°F |
| Tue, Jun 9 | Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 79F. Dew point will be around 49F with an average humidity of 45%. Winds will be 6 mph from the S. | Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 51F with an average humidity of 63%. Winds will be 2 mph from the S. | 79°F | 58°F |



## Source Information
- Source: "https://www.weatherbug.com/weather-forecast/10-day-weather/westby-mt-59275"
- Last Updated: "2026-05-31T19:09:00+00:00"