Oswego, Montana Weather
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Weather Forecast for Oswego, Montana : Valley County
Issued: 2:07 pm MDT May 11, 2025 Latitude: 48.0586288 Longitude: -105.8811226 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
20% chance of on This Afternoon 20% chance of thunderstorms on Tonight Mostly Sunny on Monday Sunny on Tuesday 80% chance of rain on Wednesday 60% chance of rain on Thursday Mostly Sunny on Friday 20% chance of on Saturday 20% chance of rain on Sunday
High: 93°F Low: 55°F High: 92°F High: 78°F High: 65°F High: 63°F High: 65°F High: 67°F High: 66°F
Low: 54°F Low: 49°F Low: 45°F Low: 38°F Low: 39°F Low: 42°F  
Partly Sunny Thunderstorms Mostly Sunny Sunny Rain Rain Mostly Sunny Partly Sunny Rain
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20% chance of This Afternoon This Afternoon... A 20 percent chance of showers before 5pm. Partly sunny, with a high near 93. Breezy, with a west southwest wind 19 to 24 mph decreasing to 5 to 10 mph. Winds could gust as high as 34 mph.
20% chance of thunderstorms Tonight Tonight... A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 92. Light and variable wind becoming west southwest 15 to 20 mph in the morning. Winds could gust as high as 29 mph.
50% chance of rain Monday Night Monday Night... A 50 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 54. North northwest wind 8 to 11 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 78. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
50% chance of rain Tuesday Night Tuesday Night... A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 49. North wind 9 to 13 mph, with gusts as high as 18 mph.
80% chance of rain Wednesday Wednesday... Showers. High near 65. North wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
70% chance of rain Wednesday Night Wednesday Night... Showers likely. Cloudy, with a low around 45. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
60% chance of rain Thursday Thursday... Showers likely. Cloudy, with a high near 63. Breezy, with a north northwest wind 13 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 65. North northwest wind 6 to 9 mph.
10% chance of rain Friday Night Friday Night... A slight chance of showers. Mostly cloudy, with a low around 39.
20% chance of Saturday Saturday... A chance of showers. Partly sunny, with a high near 67.
20% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 42.
20% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 66.
Sun Almanac for Oswego, Montana
Sunrise: 05:29 AM
Sunset: 8:31 PM
Civil Sunrise:04:52 AM
Civil Sunset: 9:07 PM
Nautical Sunrise: 04:05 AM
Nautical Sunset: 9:55 PM
Astro Sunrise: 03:07 AM
Astro Sunset: 10:53 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.