Dallmann Lake, MT Weather Forecast & Current Conditions

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Dallmann Lake, MT Weather Maps

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Dallmann Lake Weather Map
UTC Time: 9/26/2026, 09:39
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Dallmann Lake, MT Regional Weather

Expires:202609261000;;077876
ASUS45 KTFX 260910
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
300 AM MDT SAT SEP 26 2026

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


MTZ028>42-056>058-261000-
Southcentral and southeast Montana
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Baker          CLOUDY    60  58  92 SE20      29.76S                  
Big Timber     SUNNY     59  36  41 W31G39    29.91R                  
Billings       MOCLDY    60  45  57 N10       29.87R                  
Forsyth        SUNNY     61  47  61 W13       29.78R                  
Hardin         SUNNY     57  45  62 N12G20    29.82R                  
Harlowton      MOCLDY    54  30  40 N23G30    29.89R                  
Livingston     CLEAR     50  36  58 W9        29.97R                  
Miles City     CLEAR     59  54  83 W6        29.73R                  
$$

Regional Reports...Dakotas/MN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Williston      CLOUDY    60  56  86 S14G24    29.76S                  
Minot          CLOUDY    61  57  87 SE15G24   29.84F                  
Dickinson      CLOUDY    58  57  97 SE15G25   29.78F                  
Beach            N/A     61  61 100 SE17      29.76F                  
Bowman         CLOUDY    61  61 100 S17G26    29.79F                  
Crosby         FAIR      61  57  88 S20G30    29.74S                  
Glen Ullin     CLOUDY    59  59 100 SE12G18   29.82F FOG              
Hettinger      CLOUDY    59  58  96 SE13G22   29.81F FOG              
Tioga          CLOUDY    61  61 100 SE21      29.80S                  
Watford City   CLOUDY    63  61  94 SE15G21   29.77F                  
Bismarck       CLOUDY    59  57  93 SE14      29.88F                  
Grand Forks    CLOUDY    63  58  83 SE13      29.99F                  
Fargo          RAIN      61  59  93 SE12G22   30.00F FOG              
Buffalo SD       N/A     60  58  92 S18       29.78F                  
Rapid City     PTCLDY    59  58  96 SE14      29.82F                  
Intl Falls     MOCLDY    51  51 100 SE6       30.16F                  
Duluth         CLOUDY    52  52 100 E8        30.20  FOG              
Minneapolis    MOCLDY    59  56  89 SE9       30.15F                  
$$

Regional Reports...WY/CO/ID/WA/OR
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Buffalo WY     CLEAR     59  33  37 W10       29.87R                  
Cody           MOCLDY    64  33  31 SW8       29.95R                  
Gillette       CLEAR     59  46  62 SW7       29.84R                  
Powell         FAIR      63  25  23 W8        29.90R                  
Sheridan       CLEAR     63  37  38 CALM      29.81R                  
Yellowstone La   N/A     36  33  89 CALM      30.12S                  
Boise          CLEAR     52  36  54 W8        30.06R                  
Couer d'Alene  MOCLDY    47  38  71 S9        30.06R                  
Idaho Falls    PTCLDY    55  35  47 SW21      30.04R                  
Salmon         CLEAR     46  36  68 CALM      30.07R                  
Spokane        PTCLDY    46  36  68 SW18      30.03S                  
Seattle        PTCLDY    49  45  86 S7        30.15R                  
Portland       MOCLDY    52  46  80 CALM      30.19S                  
$$

Other Reports
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Atlanta        CLEAR     61  56  83 E7        30.02S                  
Anchorage      CLOUDY    50  39  66 W9G23     29.58S                  
Boston         RAIN      57  55  93 NE17      29.93F FOG              
Chicago        PTCLDY    53  50  89 N3        30.22R                  
Fairbanks      PTCLDY    36  32  87 N3        29.56S                  
Great Falls    CLEAR     50  34  54 SW8G24    29.93R                  
Houston        PTCLDY    71  64  78 CALM      29.97F                  
Las Vegas NV   CLEAR     81  37  20 SW12      29.91S                  
Phoenix AZ     PTCLDY    82  58  43 E8        29.88S                  
Salt Lake City PTCLDY    69  37  30 W8        29.96R                  
San Diego      PTCLDY    69  66  90 N3        29.91S                  
San Francisco  PTCLDY    58  53  84 W8        29.94F                  
Washington Dul PTCLDY    58  46  64 NW10      29.92F                  
$$

Regional Reports...Alberta
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Calgary        PTCLDY    41  37  87 VRB2      29.72R                  
Fort McMurray  RAIN      48  46  93 NW10      29.39F                  
High Level     LGT RAIN  43  41  93 N12G17    29.77S                  
Lethbridge     PTCLDY    45  36  70 SW9G17    29.78R                  
Medicine Hat   CLEAR     52  37  58 SW17G23   29.72S                  
Pincher Creek  CLEAR     46  32  57 W15       29.79R                  
Fort Smith NWT LGT RAIN  45  43  93 NE17G24   29.72F                  
$$

Regional Reports...Saskatchewan
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Estevan        CLOUDY    61  57  88 SE10G20   29.78S                  
Prince Albert  CLOUDY    63  55  77 S9G17     29.61F                  
Regina         CLOUDY    59  55  88 S13       29.74R                  
Saskatoon      PTCLDY    59  48  67 SW13      29.60R                  
Swift Current  CLOUDY    55  39  54 W14G21    29.72F                  
$$
  

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

Dallmann Lake, MT

Today
Sunny
68°/ 42° 20°/ 6°
0%
Sunday
Partly Cloudy
62°/ 42° 17°/ 6°
10%
Monday
Mostly Cloudy
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
72°/ 42° 22°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Rain Showers
65°18°
20%

Day: Sunny, cooler. Highs in the upper 60s. North winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.

Billings, MT

Today
Sunny
68°/ 48° 20°/ 9°
0%
Sunday
Partly Cloudy
62°/ 48° 17°/ 9°
20%
Monday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Rain Showers
65°18°
20%

Day: Sunny, cooler. Highs in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 15 mph.

Ryegate, MT

Today
Sunny
68°/ 42° 20°/ 6°
0%
Sunday
Mostly Cloudy
62°/ 45° 17°/ 7°
10%
Monday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
68°/ 42° 20°/ 6°
0%
Thursday
Sunny
65°/ 42° 18°/ 6°
0%
Friday
Rain Showers
65°18°
20%

Day: Sunny, cooler. Highs in the upper 60s. West winds 10 to 20 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.

Big Timber, MT

Today
Sunny
70°/ 45° 21°/ 7°
0%
Sunday
Mostly Cloudy
62°/ 42° 17°/ 6°
0%
Monday
Rain Showers
68°/ 42° 20°/ 6°
20%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 42° 22°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Rain Showers
65°18°
20%

Day: Sunny, cooler. Highs around 70. West winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph.

Harlowton, MT

Today
Sunny
68°/ 40° 20°/ 4°
0%
Sunday
Mostly Cloudy
62°/ 42° 17°/ 6°
20%
Monday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
68°/ 42° 20°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Rain Showers
65°18°
20%

Day: Mostly sunny. Cooler. Highs in the upper 60s. West winds 10 to 20 mph.

Night: Decreasing clouds. Lows around 40. Northwest winds 5 to 15 mph.

Joliet, MT

Today
Sunny
70°/ 42° 21°/ 6°
0%
Sunday
Partly Cloudy
62°/ 42° 17°/ 6°
20%
Monday
Rain Showers
65°/ 42° 18°/ 6°
20%
Tuesday
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
72°/ 42° 22°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Mostly Cloudy
65°18°
0%

Day: Sunny, cooler. Highs around 70. Northeast winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. North winds 5 to 15 mph.

Melville, MT

Today
Partly Cloudy
65°/ 42° 18°/ 6°
0%
Sunday
Mostly Cloudy
58°/ 42° 14°/ 6°
10%
Monday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
65°/ 42° 18°/ 6°
0%
Thursday
Sunny
62°/ 42° 17°/ 6°
0%
Friday
Rain Showers
60°16°
20%

Day: Increasing clouds. Cooler. Highs in the mid 60s. West winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. North winds 5 to 15 mph in the evening shifting to the east 5 to 10 mph overnight.

Fishtail, MT

Today
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Rain Showers
62°/ 45° 17°/ 7°
20%
Monday
Thunderstorms
65°/ 42° 18°/ 6°
40%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
70°/ 45° 21°/ 7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
20%
Friday
Rain Showers
65°18°
30%

Day: Sunny, cooler. Highs in the upper 60s. East winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph in the evening shifting to the south overnight.

Red Lodge, MT

Today
Sunny
65°/ 42° 18°/ 6°
0%
Sunday
Mostly Cloudy
60°/ 42° 16°/ 6°
20%
Monday
Thunderstorms
62°/ 42° 17°/ 6°
50%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
65°/ 45° 18°/ 7°
0%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Rain Showers
62°17°
30%

Day: Sunny, cooler. Highs in the mid 60s. Northeast winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph.

Roundup, MT

Today
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Cloudy
62°/ 45° 17°/ 7°
20%
Monday
Partly Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
70°/ 45° 21°/ 7°
0%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Rain Showers
65°18°
20%

Day: Mostly sunny. Cooler. Highs in the upper 60s. West winds 5 to 15 mph.

Night: Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph.

Bridger, MT

Today
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Partly Cloudy
65°/ 45° 18°/ 7°
20%
Monday
Rain Showers
68°/ 45° 20°/ 7°
30%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 45° 22°/ 7°
0%
Friday
Partly Cloudy
68°20°
0%

Day: Sunny, cooler. Highs in the lower 70s. North winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the mid 40s. North winds 5 to 15 mph.

Livingston, MT

Today
Sunny
68°/ 42° 20°/ 6°
0%
Sunday
Cloudy
65°/ 40° 18°/ 4°
10%
Monday
Thunderstorms
68°/ 38° 20°/ 3°
20%
Tuesday
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
72°/ 40° 22°/ 4°
0%
Thursday
Sunny
70°/ 40° 21°/ 4°
0%
Friday
Rain Showers
65°18°
20%

Day: Mostly sunny. Cooler. Highs in the upper 60s. West winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph in the evening shifting to the east overnight.

Pryor, MT

Today
Sunny
72°/ 42° 22°/ 6°
0%
Sunday
Mostly Cloudy
70°/ 45° 21°/ 7°
0%
Monday
Rain Showers
68°/ 45° 20°/ 7°
20%
Tuesday
Sunny
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 45° 22°/ 7°
0%
Friday
Rain Showers
68°20°
20%

Day: Sunny, cooler. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph.

Judith Gap, MT

Today
Sunny
65°/ 38° 18°/ 3°
0%
Sunday
Partly Cloudy
60°/ 42° 16°/ 6°
20%
Monday
Partly Cloudy
65°/ 40° 18°/ 4°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
65°/ 40° 18°/ 4°
0%
Thursday
Sunny
65°/ 42° 18°/ 6°
0%
Friday
Rain Showers
62°17°
20%

Day: Mostly sunny. Cooler. Highs in the mid 60s. West winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the upper 30s. North winds 5 to 15 mph.

Cooke City, MT

Today
Sunny
65°/ 35° 18°/ 2°
20%
Sunday
Rain Showers
65°/ 35° 18°/ 2°
40%
Monday
Thunderstorms
62°/ 30° 17°/ -1°
80%
Tuesday
Sunny
65°/ 32° 18°/ 0°
0%
Wednesday
Sunny
65°/ 32° 18°/ 0°
0%
Thursday
Sunny
65°/ 32° 18°/ 0°
0%
Friday
Snow Showers
62°17°
20%

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 20 mph. Gusts up to 40 mph in the afternoon.

Night: Mostly cloudy. A 20 percent chance of rain showers after 3 am. Lows in the mid 30s. West winds 5 to 15 mph in the evening shifting to the southeast 5 to 10 mph overnight.

Raynesford, MT

Today
Sunny
65°/ 38° 18°/ 3°
0%
Sunday
Mostly Cloudy
65°/ 45° 18°/ 7°
0%
Monday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Tue Night-Wed
Cloudy
48°9°
0%
Wed Night
Rain
42°6°
20%
Thursday
Sunny
65°/ 42° 18°/ 6°
0%
Friday
Rain
62°17°
20%

Day: Breezy, cooler. Mostly sunny. Highs in the mid 60s. West winds 10 to 15 mph increasing to 10 to 25 mph in the afternoon. Gusts up to 45 mph.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. Northwest winds 5 to 15 mph with gusts to around 35 mph shifting to the west up to 5 mph after midnight.

Custer, MT

Today
Sunny
70°/ 48° 21°/ 9°
0%
Sunday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Monday
Partly Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Mostly Cloudy
65°18°
0%

Day: Sunny, cooler. Highs around 70. South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon.

Night: Mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 15 mph.

Martinsdale, MT

Today
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Mostly Cloudy
62°/ 40° 17°/ 4°
20%
Monday
Partly Cloudy
65°/ 38° 18°/ 3°
0%
Tue Night
Clear
42°6°
0%
Wednesday
Cloudy
65°18°
0%
Thu Night
Cloudy
65°18°
0%
Friday
Rain
60°16°
20%

Day: Cooler. Mostly sunny. Highs around 60. West winds 5 to 15 mph with gusts to around 35 mph.

Night: Mostly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 30 mph shifting to the northeast after midnight.

Clyde Park, MT

Today
Partly Cloudy
65°/ 38° 18°/ 3°
0%
Sunday
Cloudy
62°/ 38° 17°/ 3°
10%
Monday
Partly Cloudy
65°/ 35° 18°/ 2°
0%
Tuesday
Sunny
70°/ 40° 21°/ 4°
0%
Wednesday
Sunny
68°/ 38° 20°/ 3°
0%
Thursday
Sunny
68°/ 38° 20°/ 3°
0%
Friday
Rain Showers
62°17°
20%

Day: Increasing clouds. Cooler. Highs in the mid 60s. West winds 5 to 15 mph.

Night: Mostly cloudy. Lows in the upper 30s. Northwest winds 5 to 15 mph in the evening shifting to the east 5 to 10 mph overnight.

Hilger, MT

Today
Sunny
65°/ 40° 18°/ 4°
0%
Sunday
Mostly Cloudy
65°/ 45° 18°/ 7°
0%
Monday
Partly Cloudy
68°/ 45° 20°/ 7°
0%
Tue Night-Wed
Cloudy
48°9°
0%
Wed Night
Mostly Cloudy
45°7°
0%
Thu-Thu Night
Mostly Cloudy
68°20°
0%
Friday
Rain
62°17°
20%

Day: Breezy, cooler, sunny. Highs in the mid 60s. West winds 15 to 25 mph. Gusts up to 45 mph in the morning.

Night: Partly cloudy. Lows around 40. Northwest winds 5 to 15 mph with gusts to around 30 mph shifting to the west up to 5 mph after midnight.

Names listed above may include county names.

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