Great Falls, MT Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Great Falls, MT in one place.
A chance of rain showers between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 74. Southwest wind 3 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Great Falls, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 2:32 PM MDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Great Falls, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:32 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Great Falls
Saturday looks like the warmest upcoming period in Great Falls at 74 degrees F.
Monday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 25 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:32 PM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 41. West wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Rain showers likely. Partly sunny, with a high near 55. Northwest wind 8 to 14 mph, with gusts as high as 20 mph.
Rain. Mostly cloudy, with a low around 35. North wind 8 to 13 mph, with gusts as high as 18 mph.
Rain. Mostly cloudy, with a high near 48.
A chance of rain before midnight. Mostly cloudy, with a low around 32.
Mostly sunny, with a high near 59.
Partly cloudy, with a low around 38.
A slight chance of rain after noon. Partly sunny, with a high near 59.
A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
74°F |
3 to 14 mph
SW
|
|
Saturday Night
Apr 11
|
Chance Rain Showers
|
41°F |
8 to 14 mph
W
|
|
Sunday
Apr 12
|
Rain Showers Likely
|
55°F |
8 to 14 mph
NW
|
|
Sunday Night
Apr 12
|
Light Rain
|
35°F |
8 to 13 mph
N
|
|
Monday
Apr 13
|
Light Rain
|
48°F |
10 mph
NW
|
|
Monday Night
Apr 13
|
Chance Light Rain then Mostly Cloudy
|
32°F |
8 mph
NNE
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
59°F |
8 to 20 mph
SW
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
38°F |
14 to 18 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Slight Chance Light Rain
|
59°F |
15 to 25 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Light Rain then Chance Rain And Snow
|
35°F |
12 to 21 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Great Falls.
