Checked
Garrison, MT 59731 Weather
It is 33°F in Garrison, MT 59731, observed at 2 AM MDT. Today: Partly Sunny, high 41°F, low 33°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).
Garrison, MT 59731 current weather
33°F
Partly Sunny
H 41° / L 33°Feels like 33°
Observed at Garrison I-90 MP 174.4 (6 mi away), 10/31/2026, 2:00 AM MDT
7-day forecast
Tap a day for details
Today10/3112% chance of precipitationLow 33°High 41°
Saturday: Partly sunny, with a high near 41. South southwest wind around 2 mph.
Overnight: Mostly cloudy, with a low around 33. South wind around 2 mph.
Partly SunnySun11/190% chance of precipitationLow 32°High 36°
Sunday: Rain and snow. Cloudy, with a high near 36. North wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday Night: Rain and snow before 5am. Cloudy, with a low around 32. West northwest wind 7 to 10 mph. Chance of precipitation is 80%.
Rain And SnowMon11/2Low 27°High 38°
Monday: Mostly sunny, with a high near 38.
Monday Night: Partly cloudy, with a low around 27.
Mostly SunnyTue11/3Low 29°High 41°
Tuesday: Partly sunny, with a high near 41.
Tuesday Night: Partly cloudy, with a low around 29.
Partly SunnyWed11/4Low 30°High 42°
Wednesday: Mostly sunny, with a high near 42.
Wednesday Night: Partly cloudy, with a low around 30.
Mostly SunnyThu11/5Low 28°High 41°
Thursday: Partly sunny, with a high near 41.
Thursday Night: Mostly cloudy, with a low around 28.
Partly SunnyFri11/615% chance of precipitationLow High 40°
Friday: A slight chance of snow between 11am and 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 40.
Slight Chance Light Snow
Forecast for 46.600, -112.749 from the NWS MSO office, updated 10/31/2026, 1:01 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.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Garrison, MT 59731 right now?
- The latest observation from Garrison I-90 MP 174.4 was 33°F, reported at 10/31/2026, 2:00 AM MDT.
- What is the high temperature today in Garrison, MT 59731?
- The National Weather Service forecast for saturday calls for a high near 41°F. Partly Sunny.
- What time is sunrise and sunset in Garrison, MT 59731 today?
- Sunrise is about 8:11 AM MDT and sunset is about 6:17 PM MDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Garrison, MT 59731?
- At Deer Lodge 3 W, the 1991 to 2020 normal high in October is 55°F and the normal low is 26°F.
Nearby hazards
Montana hazardsSevere 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 countyPowell County, week of 10/27/2026
No drought or abnormal dryness in this county.
Sun and moon
Local time, center of the area
- Sunrise
- 8:11 AM
- Sunset
- 6:17 PM
- Daylight
- 10 hr 5 min
- Moon
- Waning Gibbous 72% lit
- First light (civil dawn)
- 7:40 AM
- Last light (civil dusk)
- 6:48 PM
- Moonrise
- 11:08 PM
- Moonset
- 2:31 PM
Normal October weather
ClimateNormal October high 55°, low 26°, precipitation 1.00 in for the month. 1991 to 2020 normals at Deer Lodge 3 W, 15 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
See something wrong? Request a correction
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.
Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.
DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.
Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.