Siamese Lakes, MT Weather Forecast & Current Conditions

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Siamese Lakes, MT Weather Maps

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Siamese Lakes Weather Map
UTC Time: 10/12/2026, 23:05
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Siamese Lakes, MT Regional Weather

Expires:202610122300;;992452
ASUS45 KTFX 122210
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
400 PM MDT MON OCT 12 2026

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


MTZ001>007-043-122300-
West of the divide
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Kalispell      SUNNY     47  27  45 VRB6      29.98S                  
Missoula       PTSUNNY   45  29  53 CALM      29.98F                  
Butte          CLOUDY    34  27  75 S6        29.96S WCI  29          
Anaconda       CLOUDY    35  26  71 S5        29.96R WCI  31          
Hamilton       PTSUNNY   43  32  65 SE9       29.99R                  
Mullan Pass    CLOUDY    30  28  92 CALM      29.94S                  
Plains         CLEAR     48  34  57 S5        30.00S                  
Ronan          PTCLDY    43  30  61 CALM      29.99F                  
$$


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

Siamese Lakes, MT

Tonight
Clear
20°-7°
0%
Tuesday
Sunny
50°/ 25° 10°/ -4°
0%
Wednesday
Cloudy
55°/ 28° 13°/ -2°
0%
Thursday
Sunny
58°/ 30° 14°/ -1°
0%
Friday
Sunny
65°/ 35° 18°/ 2°
0%
Saturday
Cloudy
65°/ 35° 18°/ 2°
0%
Sunday
Cloudy
60°/ 35° 16°/ 2°
0%
Monday
Rain
58°14°
20%

Night: Mostly clear. Patchy fog after midnight. Lows in the 20s.

Hamilton, MT

Tonight
Clear
25°-4°
0%
Tuesday
Sunny
55°/ 20° 13°/ -7°
0%
Wednesday
Cloudy
60°/ 25° 16°/ -4°
0%
Thursday
Sunny
65°/ 30° 18°/ -1°
0%
Friday
Sunny
70°/ 30° 21°/ -1°
0%
Saturday
Sunny
70°/ 35° 21°/ 2°
0%
Sunday
Sunny
60°/ 35° 16°/ 2°
0%
Monday
Rain
65°18°
20%

Night: Mostly clear. Patchy fog in the evening. Areas of fog after midnight. Lows in the lower to mid 20s.

Pierce, ID

Tonight
Clear
18°-8°
0%
Tuesday
Sunny
50°/ 20° 10°/ -7°
0%
Wednesday
Cloudy
55°/ 25° 13°/ -4°
0%
Thursday
Sunny
65°/ 28° 18°/ -2°
0%
Friday
Sunny
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
72°/ 30° 22°/ -1°
0%
Sunday
Sunny
60°/ 30° 16°/ -1°
0%
Monday
Rain
55°13°
30%

Night: Mostly clear. Patchy fog early in the evening, then areas of fog in the late evening and overnight. Lows 18 to 25.

Kalispell, MT

Tonight
Clear
20°-7°
0%
Tuesday
Sunny
50°/ 32° 10°/ 0°
0%
Wednesday
Cloudy
55°/ 25° 13°/ -4°
0%
Thursday
Sunny
58°/ 28° 14°/ -2°
0%
Friday
Sunny
60°/ 42° 16°/ 6°
0%
Saturday
Cloudy
65°/ 30° 18°/ -1°
0%
Sunday
Sunny
58°/ 30° 14°/ -1°
0%
Monday
Rain
58°14°
20%

Night: Mostly clear. Patchy fog in the late evening and overnight. Lows in the 20s.

East Missoula, MT

Tonight
Cloudy
18°-8°
0%
Tuesday
Cloudy
45°/ 20° 7°/ -7°
0%
Wednesday
Cloudy
50°/ 25° 10°/ -4°
0%
Thursday
Sunny
55°/ 28° 13°/ -2°
0%
Friday
Sunny
58°/ 30° 14°/ -1°
0%
Saturday
Sunny
60°/ 30° 16°/ -1°
0%
Sunday
Sunny
58°/ 30° 14°/ -1°
0%
Monday
Cloudy
55°13°
0%

Night: Partly cloudy. Areas of fog in the late evening and overnight. Lows 18 to 25.

Kellogg, ID

Today
Sunny
55°/ 25° 13°/ -4°
0%
Tuesday
Sunny
58°/ 35° 14°/ 2°
0%
Wednesday
Sunny
62°/ 32° 17°/ 0°
0%
Thursday
Clear
32°0°
0%
Friday
Clear
32°/ 35° 0°/ 2°
0%
Saturday
Cloudy
35°2°
0%
Sunday
Cloudy
35°2°
0%

Day: Mostly sunny. Highs in the lower to mid 50s.

Night: Mostly clear. Widespread frost overnight. Lows in the mid 20s to lower 30s.

Libby, MT

Tonight
Clear
20°-7°
0%
Tuesday
Sunny
62°/ 25° 17°/ -4°
0%
Wednesday
Cloudy
58°/ 28° 14°/ -2°
0%
Thursday
Sunny
58°/ 30° 14°/ -1°
0%
Friday
Cloudy
72°/ 42° 22°/ 6°
0%
Saturday
Cloudy
60°/ 30° 16°/ -1°
0%
Sunday
Cloudy
58°/ 30° 14°/ -1°
0%
Monday
Rain
55°13°
20%

Night: Mostly clear. Areas of fog after midnight. Lows in the 20s.

Kooskia, ID

Tonight
Cloudy
28°-2°
0%
Tuesday
Sunny
62°/ 28° 17°/ -2°
0%
Wednesday
Cloudy
58°/ 42° 14°/ 6°
0%
Thursday
Sunny
72°/ 35° 22°/ 2°
0%
Friday
Sunny
68°/ 40° 20°/ 4°
0%
Saturday
Sunny
65°/ 38° 18°/ 3°
0%
Sunday
Sunny
72°/ 38° 22°/ 3°
0%
Monday
Rain
58°14°
30%

Night: Partly cloudy. Patchy fog after midnight. Lows in the upper 20s to mid 30s.

Kamiah, ID

Today
Partly Cloudy
45°/ 28° 7°/ -2°
0%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thu Night
Clear
35°2°
0%
Friday
Clear
65°18°
0%
Sat Night
Clear
65°18°
0%
Sunday
Sunny
60°16°
0%

Day: Partly sunny. Highs in the mid 40s to lower 50s.

Night: Mostly clear. Lows in the upper 20s to mid 30s.

Sula, MT

Tonight
Cloudy
19°-7°
0%
Tuesday
Sunny
45°/ 20° 7°/ -7°
0%
Wednesday
Sunny
50°/ 25° 10°/ -4°
0%
Thursday
Sunny
55°/ 28° 13°/ -2°
0%
Friday
Sunny
60°/ 30° 16°/ -1°
0%
Saturday
Sunny
60°/ 30° 16°/ -1°
0%
Sunday
Cloudy
58°/ 30° 14°/ -1°
0%
Monday
Rain
58°14°
20%

Night: Partly cloudy. Patchy fog late in the evening. Areas of fog after midnight. Lows 19 to 26.

Lewiston, ID

Today
Partly Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
55°/ 30° 13°/ -1°
0%
Wednesday
Sunny
60°/ 38° 16°/ 3°
0%
Thu Night
Clear
38°3°
0%
Friday
Clear
68°20°
0%
Sat Night
Clear
68°20°
0%
Sunday
Sunny
60°16°
0%

Day: Partly sunny. Highs in the upper 40s to upper 50s.

Night: Mostly clear. Areas of frost overnight. Lows in the upper 20s to mid 30s.

Anaconda, MT

Tonight
Cloudy
15°-9°
0%
Tuesday
Sunny
52°/ 18° 11°/ -8°
0%
Wednesday
Sunny
50°/ 25° 10°/ -4°
0%
Thursday
Sunny
50°/ 25° 10°/ -4°
0%
Friday
Sunny
58°/ 30° 14°/ -1°
0%
Saturday
Sunny
60°/ 30° 16°/ -1°
0%
Sunday
Sunny
58°/ 28° 14°/ -2°
0%
Monday
Rain
58°14°
20%

Night: Partly cloudy. Areas of fog in the late evening and overnight. Lows 15 to 22.

Moscow, ID

Today
Sunny
50°/ 25° 10°/ -4°
0%
Tuesday
Sunny
58°/ 35° 14°/ 2°
0%
Wednesday
Sunny
60°/ 35° 16°/ 2°
0%
Thursday
Clear
35°2°
0%
Friday
Clear
35°/ 45° 2°/ 7°
0%
Sat Night-Sun
Cloudy
38°3°
0%

Day: Mostly sunny. Highs in the 50s. Light wind.

Night: Mostly clear. Areas of frost in the evening, then widespread frost overnight. Lows in the mid 20s to lower 30s. Light wind.

Swan Lake, MT

Tonight
Clear
20°-7°
0%
Tuesday
Sunny
52°/ 25° 11°/ -4°
0%
Wednesday
Cloudy
48°/ 28° 9°/ -2°
0%
Thursday
Sunny
50°/ 30° 10°/ -1°
0%
Friday
Sunny
55°/ 35° 13°/ 2°
0%
Saturday
Sunny
55°/ 35° 13°/ 2°
0%
Sunday
Cloudy
50°/ 30° 10°/ -1°
0%
Monday
Rain
50°10°
20%

Night: Mostly clear. Areas of fog in the late evening and overnight. Lows in the 20s.

Coeur d'Alene, ID

Today
Sunny
58°/ 25° 14°/ -4°
0%
Tuesday
Sunny
58°/ 30° 14°/ -1°
0%
Wednesday
Sunny
65°/ 35° 18°/ 2°
0%
Thursday
Clear
35°2°
0%
Friday
Clear
35°/ 45° 2°/ 7°
0%
Sat Night-Sun
Cloudy
35°2°
0%

Day: Sunny. Highs in the mid to upper 50s. Light wind.

Night: Mostly clear. Widespread frost overnight. Lows in the mid 20s to lower 30s. Light wind.

Riggins, ID

Tonight
Mostly Cloudy
30°-1°
0%
Tuesday
Sunny
62°/ 35° 17°/ 2°
0%
Wednesday
Sunny
58°/ 38° 14°/ 3°
0%
Thursday
Sunny
65°/ 52° 18°/ 11°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
75°/ 45° 24°/ 7°
0%
Monday
Rain
58°14°
30%

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s.

Sandpoint, ID

Today
Sunny
50°/ 22° 10°/ -6°
0%
Tuesday
Sunny
55°/ 28° 13°/ -2°
0%
Wednesday
Sunny
58°/ 32° 14°/ 0°
0%
Thursday
Cloudy
32°0°
0%
Friday
Cloudy
32°0°
0%
Sat Night
Cloudy
32°0°
0%
Sunday
Sunny
58°14°
0%

Day: Sunny. Highs in the 50s.

Night: Mostly clear. Widespread frost overnight. Lows in the lower 20s to lower 30s.

Salmon, ID

Tonight
Mostly Cloudy
32°0°
0%
Tuesday
Sunny
48°/ 20° 9°/ -7°
0%
Wednesday
Sunny
62°/ 25° 17°/ -4°
0%
Thursday
Sunny
55°/ 28° 13°/ -2°
0%
Friday
Sunny
60°/ 30° 16°/ -1°
0%
Saturday
Sunny
60°/ 30° 16°/ -1°
0%
Sunday
Cloudy
60°/ 30° 16°/ -1°
0%
Monday
Cloudy
58°14°
0%

Night: Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Patchy fog late in the night. Lows in the 20s to lower 30s.

Marysville, MT

Today
Snow
32°/ 17° 0°/ -8°
20%
Tuesday
Sunny
38°/ 19° 3°/ -7°
0%
Wednesday
Sunny
45°/ 28° 7°/ -2°
0%
Thu-Thu Night
Clear
45°7°
0%
Fri-Fri Night
Clear
55°13°
0%
Saturday
Cloudy
53°12°
0%
Sunday
Cloudy
53°12°
0%

Day: Mostly cloudy with a 20 percent chance of snow. Highs in the lower 30s. Southeast winds up to 10 mph.

Night: Partly cloudy. Patchy fog. Lows 17 to 23. Southwest winds 5 to 15 mph.

Dewey, MT

Today
Snow
29°/ 14° -2°/ -10°
20%
Tuesday
Sunny
36°/ 14° 2°/ -10°
0%
Wednesday
Sunny
42°/ 20° 6°/ -7°
0%
Thu Night-Fri
Clear
21°-6°
0%
Fri Night
Clear
26°-3°
0%
Saturday
Clear
26°-3°
0%
Sunday
Clear
26°-3°
0%

Day: Mostly cloudy with a 20 percent chance of snow. Highs 29 to 35. East winds up to 10 mph.

Night: Mostly cloudy. Patchy fog. Lows 14 to 22. North winds up to 10 mph.

Names listed above may include county names.

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