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Fallon, MT Weather
It is 54°F in Fallon, MT, observed at 5:30 PM MDT. Tonight: Mostly Clear, low 29°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).
Fallon, MT current weather
54°F
Mostly Clear
H -- / L 29°Feels like 54°
No rain expected in the next 12 hours
Observed at BUFFALO RAPIDS/TERRY (9.1 mi away), 10/27/2026, 5:30 PM MDT
Hourly forecast
NWS, updated 10/27/2026, 3:11 PM PT
7-day forecast
Tap a day for details
Today10/27Low 29°High
Tonight: Mostly clear, with a low around 29. Southwest wind around 6 mph.
Mostly ClearWed10/28Low 27°High 58°
Wednesday: Sunny, with a high near 58. West wind 5 to 12 mph, with gusts as high as 22 mph.
Wednesday Night: Mostly clear, with a low around 27. Northeast wind around 2 mph.
SunnyThu10/29Low 27°High 53°
Thursday: Sunny, with a high near 53. Northeast wind 2 to 7 mph.
Thursday Night: Partly cloudy, with a low around 27. Northeast wind around 8 mph.
SunnyFri10/30Low 37°High 54°
Friday: Partly sunny, with a high near 54. East northeast wind 8 to 14 mph, with gusts as high as 25 mph.
Friday Night: Mostly cloudy, with a low around 37. East southeast wind 5 to 10 mph, with gusts as high as 22 mph.
Partly SunnySat10/3119% chance of precipitationLow 37°High 58°
Saturday: Partly sunny, with a high near 58. South wind around 5 mph.
Saturday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 37. Northeast wind around 3 mph. Chance of precipitation is 20%.
Partly SunnySun11/161% chance of precipitationLow 37°High 57°
Sunday: A chance of rain. Mostly cloudy, with a high near 57. East wind 2 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday Night: Rain likely. Mostly cloudy, with a low around 37. Northeast wind around 12 mph, with gusts as high as 22 mph.
Chance Light RainMon11/258% chance of precipitationLow 31°High 51°
Monday: Rain likely. Mostly cloudy, with a high near 51.
Monday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 31.
Light Rain LikelyTue11/326% chance of precipitationLow High 52°
Tuesday: A chance of rain. Partly sunny, with a high near 52.
Chance Light Rain
Forecast for 46.836, -105.126 from the NWS GGW office, updated 10/27/2026, 3:11 PM 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
- Now49°Mostly Clear0%6 mph
- 7 PM45°Mostly Clear0%6 mph
- 8 PM39°Mostly Clear0%5 mph
- 9 PM38°Mostly Clear0%5 mph
- 10 PM36°Mostly Clear0%5 mph
- 11 PM35°Mostly Clear0%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
NWS hourly forecast updated 10/27/2026, 3:11 PM PT
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
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 countyPrairie County, week of 10/20/2026
67% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:36 AM
- Sunset
- 5:52 PM
- Daylight
- 10 hr 16 min
- Moon
- Waning Gibbous 96% lit
- First light (civil dawn)
- 7:04 AM
- Last light (civil dusk)
- 6:23 PM
- Moonrise
- 6:14 PM
- Moonset
- 9:44 AM
Normal October weather
ClimateNormal October high 59°, low 33°, precipitation 0.92 in for the month. 1991 to 2020 normals at Terry, 9 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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Frequently asked questions
- What is the weather in Fallon, MT right now?
- The latest observation from BUFFALO RAPIDS/TERRY was 54°F, reported at 10/27/2026, 5:30 PM MDT.
- Will it rain in Fallon, MT 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 time is sunrise and sunset in Fallon, MT today?
- Sunrise is about 7:36 AM MDT and sunset is about 5:52 PM MDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Fallon, MT?
- At Terry, the 1991 to 2020 normal high in October is 59°F and the normal low is 33°F.
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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