Great Falls, MT Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Great Falls, MT in one place.
Rain showers likely before noon, then showers and thunderstorms. Mostly cloudy, with a high near 71. West northwest wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
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: May 27, 2026 8:47 PM MDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Great Falls, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 8:47 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Great Falls
Wednesday looks like the warmest upcoming period in Great Falls at 74 degrees F.
Sunday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday Night at about 17 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 8:47 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
Showers and thunderstorms before midnight, then rain. Cloudy, with a low around 44. West wind around 17 mph, with gusts as high as 25 mph.
Rain likely before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 60. West southwest wind around 16 mph, with gusts as high as 28 mph.
A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 41.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 64.
A chance of rain. Mostly cloudy, with a low around 42.
A slight chance of rain. Partly sunny, with a high near 68.
A slight chance of rain before midnight. Partly cloudy, with a low around 43.
Partly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Showers And Thunderstorms
|
71°F |
5 to 13 mph
WNW
|
|
Saturday Night
May 30
|
Showers And Thunderstorms then Rain
|
44°F |
17 mph
W
|
|
Sunday
May 31
|
Rain Likely then Showers And Thunderstorms Likely
|
60°F |
16 mph
WSW
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms then Chance Light Rain
|
41°F |
8 to 14 mph
W
|
|
Monday
Jun 1
|
Chance Light Rain then Chance Showers And Thunderstorms
|
64°F |
6 to 10 mph
WNW
|
|
Monday Night
Jun 1
|
Chance Light Rain
|
42°F |
3 to 12 mph
NW
|
|
Tuesday
Jun 2
|
Slight Chance Light Rain
|
68°F |
3 to 9 mph
WNW
|
|
Tuesday Night
Jun 2
|
Slight Chance Light Rain then Partly Cloudy
|
43°F |
3 to 10 mph
NNE
|
|
Wednesday
Jun 3
|
Partly Sunny
|
74°F |
2 to 8 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Great Falls.
