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Great Falls, MT 59401 Weather

Today: Areas Of Fog then Mostly Cloudy, high 50°F, low 30°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Great Falls, MT 59401 current weather

34°F

Areas Of Fog

Forecast for this hour. No recent report from a nearby station.

H 50° / L 30°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/30/2026, 11:31 PM PT

Hourly forecast

NWS, updated 10/30/2026, 11:31 PM PT

  1. Now34°16%
  2. 3 AM33°16%
  3. 4 AM32°15%
  4. 5 AM32°14%
  5. 6 AM31°13%
  6. 7 AM32°10%
  7. 8 AM32°
  8. 9 AM34°
  9. 10 AM38°
  10. 11 AM41°
  11. 12 PM43°
  12. 1 PM44°
  13. 2 PM47°
  14. 3 PM48°
  15. 4 PM48°
  16. 5 PM49°
  17. 6 PM46°
  18. 7 PM45°11%
  19. 8 PM43°13%
  20. 9 PM41°10%
  21. 10 PM40°
  22. 11 PM40°
  23. 12 AM39°Sun
  24. 1 AM39°
  25. 1 AM39°
  26. 2 AM38°
  27. 3 AM37°
  28. 4 AM36°
  29. 5 AM36°
  30. 6 AM35°
  31. 7 AM36°
  32. 8 AM36°
  33. 9 AM39°
  34. 10 AM41°13%
  35. 11 AM42°21%
  36. 12 PM43°33%
  37. 1 PM43°35%
  38. 2 PM44°78%
  39. 3 PM44°62%
  40. 4 PM44°78%
  41. 5 PM42°90%
  42. 6 PM41°90%
  43. 7 PM41°90%
  44. 8 PM41°90%
  45. 9 PM41°90%
  46. 10 PM41°90%
  47. 11 PM41°67%
  48. 12 AM41°67%Mon

10-day forecast

Tap a day for details

  • Today10/3116% chance of precipitationLow 30°High 50°

    Saturday: Areas of fog before 9am. Mostly cloudy, with a high near 50. Southeast wind around 2 mph.

    Overnight: Areas of fog and a slight chance of drizzle before 2am, then areas of fog and a slight chance of snow. Mostly cloudy, with a low around 30. East wind around 2 mph. Chance of precipitation is 20%.

    Areas Of Fog then Mostly Cloudy
  • Sun11/190% chance of precipitationLow 34°High 45°

    Sunday: Patchy fog before 8am, then rain. Cloudy, with a high near 45. North wind 0 to 5 mph. Chance of precipitation is 90%.

    Sunday Night: Rain before 5am. Mostly cloudy, with a low around 34. Northwest wind around 5 mph. Chance of precipitation is 90%.

    Light Rain
  • Mon11/212% chance of precipitationLow 32°High 54°

    Monday: Mostly sunny, with a high near 54. West southwest wind around 6 mph.

    Monday Night: Mostly clear, with a low around 32. South southwest wind 3 to 8 mph.

    Mostly Sunny
  • Tue11/3Low 32°High 57°

    Tuesday: Mostly sunny, with a high near 57. Southwest wind 5 to 12 mph, with gusts as high as 24 mph.

    Tuesday Night: Partly cloudy, with a low around 32.

    Mostly Sunny
  • Wed11/4Low 31°High 53°

    Wednesday: Mostly sunny, with a high near 53.

    Wednesday Night: Partly cloudy, with a low around 31.

    Mostly Sunny
  • Thu11/5Low 33°High 54°

    Thursday: Partly sunny, with a high near 54.

    Thursday Night: Partly cloudy, with a low around 33.

    Partly Sunny
  • Fri11/6Low High 54°

    Friday: Mostly sunny, with a high near 54.

    Mostly Sunny
  • Sat11/7Model blendLow 34°High 53°

    Saturday: Mostly sunny. High near 53°. Low that night near 34°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blendLow 34°High 55°

    Sunday: Partly cloudy. High near 55°. Low that night near 34°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Mon11/9Model blendLow 34°High 52°

    Monday: Partly cloudy. High near 52°. Low that night near 34°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 47.510, -111.276 from the NWS TFX office, updated 10/30/2026, 11:31 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KGTF (Great Falls Intl, 6 mi), model run 10/30/2026, 8:00 PM MDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now34°Areas Of Fog16%1 mph
  2. 3 AM33°Areas Of Fog16%1 mph
  3. 4 AM32°Areas Of Fog15%1 mph
  4. 5 AM32°Areas Of Fog14%0 mph
  5. 6 AM31°Areas Of Fog13%0 mph
  6. 7 AM32°Areas Of Fog10%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Great Falls, MT 59401?
The National Weather Service forecast for saturday calls for a high near 50°F. Areas Of Fog then Mostly Cloudy.
Will it rain in Great Falls, MT 59401 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 is the 10-day forecast for Great Falls, MT 59401?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 52°F to 55°F. Model guidance this far out often changes.
What time is sunrise and sunset in Great Falls, MT 59401 today?
Sunrise is about 8:07 AM MDT and sunset is about 6:09 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Great Falls, MT 59401?
At Great Falls 16st, the 1991 to 2020 normal high in October is 59°F and the normal low is 36°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.26 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Montana hazards

Severe 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 county

Cascade County, week of 10/27/2026

2% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
8:07 AM
Sunset
6:09 PM
Daylight
10 hr 1 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
7:35 AM
Last light (civil dusk)
6:41 PM
Moonrise
10:57 PM
Moonset
2:29 PM

Normal October weather

Climate

Normal October high 59°, low 36°, precipitation 1.13 in for the month. 1991 to 2020 normals at Great Falls 16st, 2 mi away.

Other places nearby

Data sources

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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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