Forecast Monster: Real-Time Local Weather Forecasts

Forecast Monster

Great Falls, MT

Monday, August 18, 2025 at 11:47 AM

CLEAR

77°C

Feels like 78°C

Sunny

High: 79°C

Low: 52°C

Today's Details

Wind

1mph

Gusts

1mph

Cloud Cover

11%

UV Index

5

Humidity

39%

Precipitation

0%

Sunrise

7:25AM

Sunset

9:31PM

Hourly Forecast

11:00AM

MOSTLY_CLEAR
75°C

Mostly sunny

12:00PM

CLEAR
78°C

Sunny

1:00PM

CLEAR
81°C

Sunny

2:00PM

CLEAR
84°C

Sunny

3:00PM

CLEAR
86°C

Sunny

4:00PM

PARTLY_CLOUDY
87°C

Partly sunny

5:00PM

MOSTLY_CLEAR
88°C

Mostly sunny

6:00PM

PARTLY_CLOUDY
87°C

Partly sunny

7:00PM

PARTLY_CLOUDY
86°C

Partly sunny

8:00PM

MOSTLY_CLEAR
83°C

Mostly sunny

9:00PM

CLEAR
77°C

Clear

10:00PM

CLEAR
73°C

Clear

11:00PM

CLEAR
71°C

Clear

12:00AM

CLEAR
68°C

Clear

1:00AM

CLEAR
66°C

Clear

2:00AM

CLEAR
65°C

Clear

3:00AM

CLEAR
64°C

Clear

4:00AM

CLEAR
62°C

Clear

5:00AM

CLEAR
62°C

Clear

6:00AM

CLEAR
61°C

Clear

7:00AM

CLEAR
61°C

Sunny

8:00AM

CLEAR
65°C

Sunny

9:00AM

CLEAR
71°C

Sunny

10:00AM

CLEAR
76°C

Sunny

Live Great Falls, MT Weather Radar

2025-08-18 11:52 CDT

10-Day Forecast for Great Falls, MT

Find a detailed, 10-day weather forecast for Great Falls, MT below. Click the row to expand the forecast for that day and night.

Daytime
Partly sunny

Partly sunny

High: 88°C

Low: 55°C

Humidity: 42%

Clouds: 60%

UV Index: 7 (High)

Rain: 5%

Wind: 12 mph

Nighttime
Clear

Clear

Humidity: 52%

Clouds: 30%

Rain: 15%

Wind: 11 mph

Sun Events

Sunrise:

7:25AM

Sunset:

9:31PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

1:39AM

Moonset:

7:13PM

Additional Details

Feels Like High

88°C

Feels Like Low

55°C

Heat Index

88°C

Daytime
Sunny

Sunny

High: 95°C

Low: 61°C

Humidity: 33%

Clouds: 40%

UV Index: 7 (High)

Wind: 6 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 44%

Clouds: 84%

Rain: 20%

Wind: 5 mph

Sun Events

Sunrise:

7:27AM

Sunset:

9:29PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

2:43AM

Moonset:

8:02PM

Additional Details

Feels Like High

95°C

Feels Like Low

61°C

Heat Index

95°C

Daytime
Partly sunny

Partly sunny

High: 89°C

Low: 59°C

Humidity: 35%

Clouds: 60%

UV Index: 7 (High)

Rain: 5%

Wind: 10 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 47%

Clouds: 51%

Rain: 5%

Wind: 8 mph

Sun Events

Sunrise:

7:28AM

Sunset:

9:27PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

3:58AM

Moonset:

8:38PM

Additional Details

Feels Like High

89°C

Feels Like Low

57°C

Heat Index

89°C

Daytime
Sunny

Sunny

High: 80°C

Low: 55°C

Humidity: 46%

Clouds: 24%

UV Index: 7 (High)

Wind: 8 mph

Nighttime
Clear

Clear

Humidity: 54%

Clouds: 18%

Wind: 12 mph

Sun Events

Sunrise:

7:29AM

Sunset:

9:25PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

5:17AM

Moonset:

9:04PM

Additional Details

Feels Like High

80°C

Feels Like Low

54°C

Heat Index

80°C

Daytime
Sunny

Sunny

High: 78°C

Low: 54°C

Humidity: 45%

Clouds: 15%

UV Index: 7 (High)

Wind: 13 mph

Nighttime
Clear

Clear

Humidity: 53%

Clouds: 5%

Wind: 14 mph

Sun Events

Sunrise:

7:31AM

Sunset:

9:23PM

Moon Events

Phase:

🌑

new moon

Moonrise:

6:36AM

Moonset:

9:25PM

Additional Details

Feels Like High

78°C

Feels Like Low

54°C

Heat Index

78°C

Windy

Daytime
Sunny

Sunny

High: 83°C

Low: 55°C

Humidity: 40%

Clouds: 15%

UV Index: 7 (High)

Wind: 8 mph

Nighttime
Clear

Clear

Humidity: 51%

Clouds: 20%

Wind: 7 mph

Sun Events

Sunrise:

7:32AM

Sunset:

9:22PM

Moon Events

Phase:

🌑

new moon

Moonrise:

7:52AM

Moonset:

9:41PM

Additional Details

Feels Like High

83°C

Feels Like Low

55°C

Heat Index

83°C

Daytime
Sunny

Sunny

High: 87°C

Low: 59°C

Humidity: 37%

Clouds: 34%

UV Index: 7 (High)

Wind: 8 mph

Nighttime
Clear

Clear

Humidity: 51%

Clouds: 29%

Wind: 7 mph

Sun Events

Sunrise:

7:33AM

Sunset:

9:20PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

9:04AM

Moonset:

9:56PM

Additional Details

Feels Like High

87°C

Feels Like Low

59°C

Heat Index

87°C

Daytime
Sunny

Sunny

High: 86°C

Low: 59°C

Humidity: 37%

Clouds: 25%

UV Index: 7 (High)

Wind: 11 mph

Nighttime
Clear

Clear

Humidity: 49%

Clouds: 25%

Wind: 10 mph

Sun Events

Sunrise:

7:35AM

Sunset:

9:18PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

10:14AM

Moonset:

10:10PM

Additional Details

Feels Like High

86°C

Feels Like Low

59°C

Heat Index

86°C

Daytime
Partly sunny

Partly sunny

High: 83°C

Low: 58°C

Humidity: 38%

Clouds: 40%

UV Index: 6 (High)

Wind: 14 mph

Nighttime
Clear with periodic clouds

Clear with periodic clouds

Humidity: 49%

Clouds: 36%

Wind: 13 mph

Sun Events

Sunrise:

7:36AM

Sunset:

9:16PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

11:22AM

Moonset:

10:24PM

Additional Details

Feels Like High

83°C

Feels Like Low

57°C

Heat Index

83°C

Windy

Daytime
Partly sunny

Partly sunny

High: 81°C

Low: 56°C

Humidity: 38%

Clouds: 35%

UV Index: 6 (High)

Wind: 14 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 57%

Clouds: 40%

Wind: 8 mph

Sun Events

Sunrise:

7:37AM

Sunset:

9:14PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

12:30PM

Moonset:

10:40PM

Additional Details

Feels Like High

81°C

Feels Like Low

55°C

Heat Index

81°C

Windy

Great Falls, MT Weather

Get accurate weather forecasts for Great Falls and other locations in MT. Plan your day with detailed hourly and 7-day weather predictions, current conditions, and weather alerts.