Sidney Lake, MT Weather Forecast & Current Conditions

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Sidney Lake, MT Weather Maps

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Sidney Lake Weather Map
UTC Time: 10/24/2026, 18:40
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Sidney Lake, MT Regional Weather

Expires:202610241900;;117876
ASUS45 KTFX 241810
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
1200 PM MDT SAT OCT 24 2026

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


MTZ001>007-043-241900-
West of the divide
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Kalispell      MOSUNNY   45  33  63 SE13      30.24F                  
Missoula       MOSUNNY   45  32  60 SE15      30.27F                  
Butte          MOSUNNY   32  25  75 E3        30.30F                  
Anaconda       PTCLDY    34  29  83 SE13      30.27F WCI  25          
Hamilton       SUNNY     48  34  57 S9        30.25S                  
Mullan Pass    SUNNY     32  24  72 VRB5      30.19F WCI  27          
Plains         MIX PCPN  39  39 100 CALM      30.26F VSB 1            
Ronan          CLEAR     46  36  66 S8        30.24F                  
$$


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

Sidney Lake, MT

Today
Sunny
40°/ 19° 4°/ -7°
0%
Sunday
Cloudy
40°/ 20° 4°/ -7°
0%
Monday
Cloudy
45°/ 25° 7°/ -4°
60%
Tuesday
Snow
38°/ 19° 3°/ -7°
60%
Wednesday
Snow
38°/ 18° 3°/ -8°
30%
Thursday
Snow
38°/ 19° 3°/ -7°
30%
Friday
Snow
40°4°
30%

Day: Mostly sunny. Patchy fog in the morning. Highs in the 40s.

Night: Partly cloudy. Areas of fog after midnight. Lows 19 to 26.

Sula, MT

Today
Cloudy
38°/ 20° 3°/ -7°
0%
Sunday
Cloudy
45°/ 25° 7°/ -4°
0%
Monday
Snow
45°/ 25° 7°/ -4°
70%
Tuesday
Snow
35°/ 20° 2°/ -7°
70%
Wednesday
Snow
38°/ 20° 3°/ -7°
40%
Thursday
Snow
38°/ 20° 3°/ -7°
40%
Friday
Snow
38°3°
30%

Day: Partly cloudy. Patchy fog early in the morning. Highs in the upper 30s to mid 40s.

Night: Partly cloudy. Lows in the 20s.

Dewey, MT

Today
Sunny
35°/ 17° 2°/ -8°
0%
Sunday
Sunny
38°/ 20° 3°/ -7°
0%
Monday
Snow
40°/ 21° 4°/ -6°
70%
Tuesday
Snow
32°/ 16° 0°/ -9°
70%
Wed-Wed Night
Snow
35°2°
20%
Thursday
Sunny
36°/ 18° 2°/ -8°
20%
Friday
Snow
37°3°
30%

Day: Sunny. Areas of fog late in the morning. Highs 35 to 41. South winds up to 10 mph.

Night: Mostly clear. Lows 17 to 25. South winds up to 5 mph with gusts to around 20 mph.

East Missoula, MT

Today
Cloudy
40°/ 32° 4°/ 0°
0%
Sunday
Cloudy
52°/ 32° 11°/ 0°
0%
Monday
Cloudy
45°/ 28° 7°/ -2°
60%
Tuesday
Snow
40°/ 25° 4°/ -4°
60%
Wednesday
Snow
38°/ 20° 3°/ -7°
40%
Thursday
Snow
38°/ 20° 3°/ -7°
40%
Friday
Snow
40°4°
20%

Day: Partly cloudy. Patchy fog in the morning. Highs in the 40s.

Night: Partly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 20s to lower 30s.

Montana City, MT

Today
Sunny
36°/ 20° 2°/ -7°
0%
Sunday
Sunny
35°/ 21° 2°/ -6°
0%
Monday
Sunny
40°/ 23° 4°/ -5°
50%
Tue Night
Snow
23°-5°
50%
Wed-Wed Night
Snow
36°2°
20%
Thursday
Sunny
35°/ 22° 2°/ -6°
20%

Day: Sunny. Patchy dense fog late in the morning. Highs 36 to 42. South winds up to 10 mph.

Night: Mostly clear. Lows 20 to 26. South winds up to 5 mph.

Hamilton, MT

Today
Cloudy
50°/ 28° 10°/ -2°
0%
Sunday
Mostly Cloudy
52°/ 28° 11°/ -2°
0%
Monday
Rain
55°/ 30° 13°/ -1°
70%
Tuesday
Snow
48°/ 28° 9°/ -2°
60%
Wednesday
Rain
48°/ 25° 9°/ -4°
30%
Thursday
Snow
48°/ 25° 9°/ -4°
40%
Friday
Snow
48°9°
30%

Day: Partly cloudy. Patchy fog early in the morning. Highs near 50.

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

Marysville, MT

Today
Sunny
36°/ 22° 2°/ -6°
0%
Sunday
Sunny
31°/ 21° -1°/ -6°
0%
Monday
Sunny
39°/ 24° 4°/ -4°
50%
Tue Night
Snow
24°-4°
50%
Wednesday
Snow
35°/ 21° 2°/ -6°
30%
Thursday
Snow
32°/ 21° 0°/ -6°
30%

Day: Sunny. Highs 36 to 42. South winds up to 5 mph with gusts to around 20 mph.

Night: Partly cloudy. Lows in the lower 20s. South winds up to 5 mph shifting to the east with gusts to around 20 mph after midnight.

Canyon Creek, MT

Today
Sunny
37°/ 25° 3°/ -4°
0%
Sunday
Sunny
31°/ 25° -1°/ -4°
0%
Monday
Partly Cloudy
39°/ 30° 4°/ -1°
20%
Tue-Tue Night
Snow
42°6°
40%
Wednesday
Snow
38°/ 25° 3°/ -4°
40%
Thursday
Snow
35°2°
20%
Friday
Snow
35°2°
20%

Day: Sunny. Highs 37 to 43. South winds 5 to 15 mph with gusts to around 30 mph.

Night: Partly cloudy. Lows in the mid 20s. South winds up to 5 mph shifting to the north with gusts to around 20 mph after midnight.

Helena, MT

Today
Sunny
42°/ 22° 6°/ -6°
0%
Sunday
Sunny
40°/ 22° 4°/ -6°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
30%
Tuesday
Snow
48°/ 25° 9°/ -4°
50%
Wednesday
Snow
45°/ 22° 7°/ -6°
20%
Thursday
Snow
45°7°
20%
Friday
Snow
45°7°
20%

Day: Sunny. Patchy fog late in the morning. Highs in the lower 40s. Southeast winds up to 10 mph.

Night: Mostly clear. Areas of fog after midnight. Lows in the lower 20s. Southeast winds up to 5 mph shifting to the northwest after midnight.

Harrison, MT

Today
Sunny
42°/ 22° 6°/ -6°
0%
Sunday
Sunny
42°/ 22° 6°/ -6°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
50%
Tuesday
Snow
45°/ 25° 7°/ -4°
70%
Wednesday
Cloudy
45°7°
0%
Thursday
Cloudy
45°/ 25° 7°/ -4°
20%

Day: Colder, sunny. Areas of fog late in the morning. Highs in the lower 40s. South winds up to 5 mph.

Night: Mostly clear. Areas of fog after midnight. Lows in the lower 20s. South winds up to 5 mph shifting to the west after midnight.

Bannack, MT

Today
Sunny
42°/ 25° 6°/ -4°
0%
Sunday
Sunny
45°/ 25° 7°/ -4°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
50%
Tuesday
Snow
40°/ 25° 4°/ -4°
60%
Wednesday
Cloudy
45°7°
0%
Thursday
Cloudy
45°/ 25° 7°/ -4°
20%

Day: Sunny. Patchy fog late in the morning. Highs in the lower 40s. South winds up to 10 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds up to 5 mph.

Noxon, MT

Today
Cloudy
48°/ 25° 9°/ -4°
0%
Sunday
Mostly Cloudy
48°/ 25° 9°/ -4°
0%
Monday
Rain
48°/ 28° 9°/ -2°
50%
Tuesday
Snow
52°/ 28° 11°/ -2°
60%
Wednesday
Snow
45°/ 25° 7°/ -4°
50%
Thursday
Snow
40°/ 32° 4°/ 0°
40%
Friday
Snow
45°7°
20%

Day: Partly cloudy. Patchy fog in the morning. Highs in the upper 40s to mid 50s.

Night: Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 20s to lower 30s.

Salmon, ID

Today
Sunny
40°/ 20° 4°/ -7°
0%
Sunday
Sunny
48°/ 25° 9°/ -4°
0%
Monday
Snow
48°/ 25° 9°/ -4°
70%
Tuesday
Snow
38°/ 20° 3°/ -7°
70%
Wednesday
Cloudy
40°/ 32° 4°/ 0°
20%
Thursday
Cloudy
52°/ 25° 11°/ -4°
20%
Friday
Snow
52°11°
30%

Day: Mostly sunny. Areas of fog early in the morning. Highs in the 40s.

Night: Mostly clear. Lows in the 20s.

Bynum, MT

Today
Sunny
42°/ 25° 6°/ -4°
0%
Sunday
Partly Cloudy
35°/ 25° 2°/ -4°
0%
Monday
Partly Cloudy
42°/ 30° 6°/ -1°
20%
Tuesday
Rain
48°/ 28° 9°/ -2°
40%
Wed-Wed Night
Snow
42°6°
50%
Thu-Thu Night
Snow
38°3°
40%
Friday
Snow
42°6°
20%

Day: Mostly sunny. Highs in the lower 40s. South winds up to 10 mph with gusts to around 30 mph.

Night: Mostly cloudy. Patchy fog after midnight. Lows in the mid 20s. East winds up to 5 mph shifting to the north after midnight.

Toston, MT

Today
Sunny
42°/ 22° 6°/ -6°
0%
Sunday
Sunny
42°/ 22° 6°/ -6°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
40%
Tuesday
Snow
45°/ 25° 7°/ -4°
50%
Wednesday
Snow
45°/ 23° 7°/ -5°
20%
Thursday
Sunny
45°/ 24° 7°/ -4°
20%
Friday
Snow
45°7°
20%

Day: Colder, sunny. Patchy fog late in the morning. Highs in the lower 40s. South winds 5 to 10 mph.

Night: Mostly clear. Patchy fog after midnight. Lows 22 to 28. Southeast winds up to 5 mph.

Kalispell, MT

Today
Cloudy
48°/ 20° 9°/ -7°
0%
Sunday
Mostly Cloudy
48°/ 20° 9°/ -7°
0%
Monday
Mostly Cloudy
48°/ 32° 9°/ 0°
50%
Tuesday
Snow
45°/ 32° 7°/ 0°
50%
Wednesday
Snow
45°/ 19° 7°/ -7°
60%
Thursday
Snow
40°/ 17° 4°/ -8°
40%
Friday
Snow
52°11°
20%

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

Night: Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 20s.

Trident, MT

Today
Sunny
34°/ 22° 1°/ -6°
0%
Sunday
Sunny
35°/ 22° 2°/ -6°
0%
Monday
Sunny
40°/ 30° 4°/ -1°
40%
Tuesday
Snow
37°/ 28° 3°/ -2°
70%
Wednesday
Snow
34°1°
20%
Thursday
Snow
34°/ 25° 1°/ -4°
20%

Day: Colder, sunny. Highs 34 to 40. South winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows in the lower 20s. Southeast winds up to 5 mph.

Cameron, MT

Today
Sunny
42°/ 25° 6°/ -4°
0%
Sunday
Sunny
41°/ 25° 5°/ -4°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
50%
Tuesday
Snow
45°/ 25° 7°/ -4°
70%
Wednesday
Cloudy
45°7°
0%
Thursday
Cloudy
45°/ 28° 7°/ -2°
20%
Friday
Snow
48°9°
40%

Day: Sunny. Areas of fog late in the morning. Highs in the lower 40s. South winds up to 5 mph.

Night: Mostly clear. Patchy fog after midnight. Lows in the mid 20s. Southeast winds up to 10 mph.

Big Sky, MT

Today
Sunny
35°/ 22° 2°/ -6°
0%
Sunday
Sunny
38°/ 25° 3°/ -4°
0%
Monday
Sunny
39°/ 25° 4°/ -4°
60%
Tuesday
Snow
32°/ 20° 0°/ -7°
70%
Wednesday
Snow
34°/ 25° 1°/ -4°
20%
Thu Night
Snow
28°-2°
20%
Friday
Snow
37°3°
50%

Day: Sunny. Highs 35 to 41. South winds up to 5 mph.

Night: Mostly clear. Lows in the lower 20s. Southeast winds up to 5 mph with gusts to around 20 mph.

Bozeman, MT

Today
Sunny
42°/ 22° 6°/ -6°
0%
Sunday
Sunny
42°/ 22° 6°/ -6°
0%
Monday
Sunny
50°/ 28° 10°/ -2°
50%
Tuesday
Snow
45°/ 25° 7°/ -4°
70%
Wednesday
Sunny
45°/ 25° 7°/ -4°
20%
Thursday
Sunny
45°/ 25° 7°/ -4°
20%

Day: Sunny. Areas of fog late in the morning. Highs in the lower 40s. Light winds.

Night: Mostly clear. Areas of fog after midnight. Lows in the lower 20s. Southeast winds up to 5 mph.

Names listed above may include county names.

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