Mill Lake, MT Weather Forecast & Current Conditions

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Mill Lake Weather Map
UTC Time: 9/18/2026, 11:37
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Mill Lake, MT Regional Weather

Expires:202609181200;;652320
ASUS45 KTFX 181110
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
500 AM MDT FRI SEP 18 2026

NOTE: "FAIR" indicates few or no clouds below 12,000 feet with no
significant weather and/or obstructions to visibility.


MTZ001>007-043-181200-
West of the divide
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Kalispell      CLEAR     44  44 100 SW3       30.09R                  
Missoula       CLEAR     48  46  93 CALM      30.11S                  
Butte          MOCLDY    44  43  96 CALM      30.21F                  
Anaconda       CLOUDY    53  44  72 S8        30.16S                  
Hamilton       MOCLDY    48  46  93 SE3       30.12R                  
Mullan Pass    CLEAR     47  43  86 NW3       30.20R                  
Plains         SUNNY     48  48 100 CALM      30.10R                  
Ronan          SUNNY     46  46 100 N7        30.08S                  
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Mill Lake, MT

Today
Thunderstorms
60°/ 40° 16°/
90%
Saturday
Thunderstorms
62°/ 38° 17°/
90%
Sunday
Sunny
65°/ 40° 18°/
0%
Monday
Sunny
68°/ 40° 20°/
0%
Tuesday
Sunny
65°/ 40° 18°/
0%
Wednesday
Sunny
65°/ 40° 18°/
0%
Thursday
Sunny
68°20°
0%

Day: Slight chance of rain in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Patchy fog in the morning. Chance of precipitation 70 percent. Highs in the 60s.

Night: Rain showers likely and a slight chance of thunderstorms in the evening, then rain likely after midnight. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 90 percent. Lows in the 40s.

Hamilton, MT

Today
Thunderstorms
75°/ 50° 24°/ 10°
50%
Saturday
Thunderstorms
65°/ 48° 18°/
50%
Sunday
Sunny
70°/ 48° 21°/
0%
Monday
Sunny
80°/ 48° 27°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thursday
Sunny
80°27°
0%

Day: Mostly cloudy. Patchy fog in the morning. A 50 percent chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 70s.

Night: Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Patchy fog after midnight. Chance of precipitation 50 percent. Lows near 50.

East Missoula, MT

Today
Thunderstorms
68°/ 52° 20°/ 11°
50%
Saturday
Thunderstorms
72°/ 40° 22°/
50%
Sunday
Sunny
68°/ 40° 20°/
0%
Monday
Sunny
70°/ 52° 21°/ 11°
0%
Tuesday
Sunny
68°/ 40° 20°/
0%
Wednesday
Sunny
68°/ 52° 20°/ 11°
0%
Thursday
Sunny
70°21°
0%

Day: Mostly cloudy. Areas of fog in the morning. Chance of rain showers and a slight chance of thunderstorms late in the afternoon. Chance of precipitation 50 percent. Highs in the upper 60s to mid 70s.

Night: Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Areas of fog after midnight. Chance of precipitation 50 percent. Lows in the 40s to lower 50s.

Noxon, MT

Today
Mostly Cloudy
70°/ 45° 21°/
50%
Saturday
Rain
70°/ 45° 21°/
50%
Sunday
Sunny
75°/ 45° 24°/
0%
Monday
Sunny
75°/ 45° 24°/
0%
Tuesday
Cloudy
82°/ 45° 28°/
0%
Wednesday
Cloudy
70°/ 45° 21°/
0%
Thursday
Cloudy
75°24°
0%

Day: Mostly cloudy. Areas of fog early in the morning. Highs in the 70s.

Night: Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Chance of precipitation 50 percent. Lows in the mid 40s to lower 50s.

Anaconda, MT

Today
Thunderstorms
72°/ 40° 22°/
100%
Saturday
Thunderstorms
55°/ 38° 13°/
70%
Sunday
Sunny
65°/ 38° 18°/
0%
Monday
Sunny
68°/ 40° 20°/
0%
Tuesday
Sunny
68°/ 38° 20°/
0%
Wednesday
Sunny
68°/ 38° 20°/
0%
Thursday
Sunny
70°21°
0%

Day: Areas of rain in the morning. Rain showers likely and a chance of thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation 70 percent. Highs in the 60s to lower 70s. North winds to 15 mph in the afternoon.

Night: Rain showers likely and a slight chance of thunderstorms. Areas of fog after midnight. Chance of precipitation near 100 percent. Lows in the 40s.

Salmon, ID

Today
Thunderstorms
60°/ 52° 16°/ 11°
90%
Saturday
Thunderstorms
55°/ 40° 13°/
70%
Sunday
Cloudy
65°/ 40° 18°/
0%
Monday
Sunny
68°/ 52° 20°/ 11°
0%
Tuesday
Rain
68°/ 40° 20°/
20%
Wednesday
Sunny
68°/ 40° 20°/
0%
Thursday
Sunny
70°21°
0%

Day: Areas of rain in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Chance of precipitation 90 percent. Highs in the 60s. West winds to 15 mph in the afternoon.

Night: Rain showers likely and a chance of thunderstorms. Chance of precipitation 90 percent. Lows in the 40s to lower 50s.

Powell, ID

Today
Thunderstorms
59°/ 39° 15°/
70%
Saturday
Rain
60°/ 38° 16°/
50%
Sunday
Sunny
66°/ 39° 19°/
0%
Monday
Sunny
67°/ 40° 19°/
0%
Tuesday
Rain
65°/ 38° 18°/
20%
Wednesday
Sunny
64°/ 38° 18°/
0%
Thursday
Sunny
68°20°
0%

Day: Mostly cloudy. Areas of fog in the morning. A 50 percent chance of showers and thunderstorms in the afternoon. Highs 59 to 74.

Night: Rain showers likely and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Patchy fog in the evening, then areas of fog after midnight. Chance of precipitation 70 percent. Lows 39 to 52.

Kalispell, MT

Today
Cloudy
70°/ 45° 21°/
0%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Sunday
Sunny
70°/ 45° 21°/
0%
Monday
Sunny
70°/ 45° 21°/
0%
Tuesday
Cloudy
70°/ 45° 21°/
0%
Wednesday
Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Cloudy
68°20°
0%

Day: Partly cloudy. Patchy fog early in the morning. Highs in the 70s.

Night: Mostly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s.

Kooskia, ID

Today
Cloudy
65°/ 48° 18°/
40%
Saturday
Sunny
67°/ 55° 19°/ 13°
0%
Sunday
Sunny
72°/ 48° 22°/
0%
Monday
Sunny
85°/ 48° 29°/
0%
Tuesday
Sunny
82°/ 48° 28°/
0%
Wednesday
Sunny
82°/ 48° 28°/
0%
Thursday
Sunny
85°29°
0%

Day: Partly cloudy. Highs 65 to 79.

Night: Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s to mid 50s.

Pierce, ID

Today
Mostly Cloudy
68°/ 40° 20°/
20%
Saturday
Mostly Cloudy
68°/ 40° 20°/
0%
Sunday
Sunny
82°/ 40° 28°/
0%
Monday
Sunny
75°/ 40° 24°/
0%
Tuesday
Sunny
70°/ 38° 21°/
0%
Wednesday
Sunny
70°/ 38° 21°/
0%
Thursday
Cloudy
75°24°
0%

Day: Mostly cloudy. Areas of fog early in the morning. Patchy fog late in the morning. Highs in the upper 60s to mid 70s.

Night: Mostly cloudy. Patchy fog in the evening, then areas of fog after midnight. A 20 percent chance of rain in the evening. Lows in the 40s.

Dewey, MT

Today
Thunderstorms
53°/ 39° 12°/
100%
Saturday
Thunderstorms
46°/ 38° /
90%
Sunday
Sunny
56°13°
0%
Sun Night-Mon
Clear
40°
0%
Mon Night
Cloudy
38°
0%
Tuesday
Sunny
58°/ 37° 14°/
0%
Wednesday
Clear
59°15°
0%
Thursday
Clear
59°15°
0%

Day: Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall late in the afternoon. Highs 53 to 63. South winds up to 5 mph shifting to the north in the afternoon. Chance of precipitation 90 percent.

Night: Rain showers and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows 39 to 45. North winds up to 10 mph. Chance of precipitation near 100 percent.

Kamiah, ID

Today
Rain Showers
68°/ 48° 20°/
20%
Saturday
Sunny
68°/ 48° 20°/
0%
Sunday
Sunny
75°24°
0%
Sun Night
Clear
48°
0%
Friday
Clear
48°
0%
Saturday
Clear
48°
0%
Sunday
Clear
48°
0%
Thursday
Clear
48°
0%

Day: Partly cloudy. A chance of rain showers in the morning. Highs in the upper 60s to upper 70s. Chance of precipitation 20 percent.

Night: Partly cloudy. Lows in the upper 40s to mid 50s.

Shoup, ID

Today
Thunderstorms
60°/ 45° 16°/
90%
Saturday
Thunderstorms
55°/ 45° 13°/
90%
Sunday
Cloudy
68°/ 45° 20°/
0%
Monday
Sunny
70°/ 45° 21°/
0%
Tuesday
Sunny
68°/ 45° 20°/
0%
Wednesday
Sunny
68°/ 45° 20°/
0%
Thursday
Sunny
70°21°
0%

Day: Areas of rain in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Chance of precipitation 90 percent. Highs in the 60s.

Night: Rain showers likely and a chance of thunderstorms in the evening, then rain likely after midnight. Chance of precipitation 90 percent. Lows in the mid 40s to lower 50s.

Kellogg, ID

Today
Rain Showers
75°/ 45° 24°/
20%
Saturday
Sunny
78°/ 48° 26°/
0%
Sunday
Sunny
78°26°
0%
Sun Night
Clear
48°
0%
Friday
Clear
48°
0%
Saturday
Clear
48°
0%
Sunday
Clear
48°
0%
Thursday
Clear
48°
0%

Day: Partly cloudy with a 20 percent chance of rain showers. Highs in the lower to mid 70s.

Night: Partly cloudy. Lows in the mid 40s to lower 50s.

Riggins, ID

Today
Thunderstorms
65°/ 50° 18°/ 10°
70%
Saturday
Mostly Cloudy
78°/ 50° 26°/ 10°
0%
Sunday
Sunny
74°/ 50° 23°/ 10°
0%
Monday
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Sunny
85°/ 50° 29°/ 10°
0%
Wednesday
Sunny
85°/ 50° 29°/ 10°
0%
Thursday
Sunny
88°31°
0%

Day: Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the mid 60s to upper 70s.

Night: Rain showers likely and a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Chance of precipitation 70 percent. Lows in the 50s.

Marysville, MT

Today
Thunderstorms
61°/ 44° 16°/
70%
Saturday
Thunderstorms
52°/ 42° 11°/
50%
Sunday
Sunny
62°17°
0%
Sun Night
Clear
45°
0%
Friday
Clear
45°
0%
Saturday
Clear
45°
0%
Sunday
Clear
45°
0%
Thursday
Clear
45°
0%

Day: Partly sunny. Slight chance of rain showers late in the morning. Chance of rain showers early in the afternoon, then chance of thunderstorms late in the afternoon. Highs 61 to 69. West winds up to 5 mph shifting to the northeast in the afternoon. Chance of precipitation 50 percent.

Night: Rain showers likely and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 44 to 50. North winds up to 10 mph. Chance of precipitation 70 percent.

Lewiston, ID

Today
Rain Showers
72°/ 55° 22°/ 13°
20%
Saturday
Sunny
72°/ 55° 22°/ 13°
0%
Sunday
Sunny
78°26°
0%
Sun Night
Clear
55°13°
0%
Friday
Clear
55°13°
0%
Saturday
Clear
55°13°
0%
Sunday
Clear
55°13°
0%
Thursday
Clear
55°13°
0%

Day: Partly cloudy with a chance of rain showers in the morning, then sunny in the afternoon. Highs in the lower 70s to lower 80s. Chance of precipitation 20 percent.

Night: Partly cloudy. Lows in the lower to mid 50s.

Bannack, MT

Today
Thunderstorms
63°/ 48° 17°/
70%
Saturday
Thunderstorms
55°/ 42° 13°/
90%
Sunday
Partly Cloudy
63°17°
0%
Sun Night-Mon
Clear
42°
0%
Mon Night
Cloudy
45°
0%
Tue Night
Cloudy
45°
0%
Wednesday
Clear
70°21°
0%
Thursday
Clear
70°21°
0%

Day: Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 63 to 69. South winds up to 5 mph shifting to the east in the afternoon. Chance of precipitation 70 percent.

Night: Rain showers likely and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the upper 40s. North winds up to 10 mph. Chance of precipitation 70 percent.

Libby, MT

Today
Cloudy
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
75°/ 45° 24°/
0%
Sunday
Sunny
75°/ 45° 24°/
0%
Monday
Sunny
75°/ 45° 24°/
0%
Tuesday
Cloudy
82°/ 45° 28°/
0%
Wednesday
Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Cloudy
82°28°
0%

Day: Partly cloudy. Highs in the mid 70s to lower 80s.

Night: Partly cloudy. Lows in the 40s to lower 50s.

Montana City, MT

Today
Thunderstorms
59°/ 43° 15°/
100%
Saturday
Thunderstorms
48°/ 38° /
100%
Sunday
Sunny
59°15°
0%
Sun Night
Clear
40°
0%
Mon Night
Clear
40°
0%
Tuesday
Rain
63°/ 42° 17°/
20%
Wednesday
Clear
63°17°
0%
Thursday
Clear
63°17°
0%

Day: Partly sunny. Slight chance of rain showers early in the morning, then chance of rain showers in the late morning and early afternoon. Rain showers likely and chance of thunderstorms late in the afternoon. Highs 59 to 67. Southwest winds up to 5 mph shifting to the northeast in the afternoon. Chance of precipitation 70 percent.

Night: Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows 43 to 49. North winds up to 10 mph. Chance of precipitation near 100 percent.

Names listed above may include county names.

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