Ismay, MT Weather Forecast & Current Conditions

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Ismay Weather Map
UTC Time: 9/18/2026, 20:46
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Ismay, MT Regional Weather

Expires:202609182100;;673467
ASUS45 KTFX 182010
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
200 PM 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.


MTZ028>42-056>058-182100-
Southcentral and southeast Montana
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Baker          SUNNY     76  58  53 MISG      30.05F                  
Big Timber     PTCLDY    79  39  24 CALM      30.10F                  
Billings       MOSUNNY   80  45  28 W3        30.06F                  
Forsyth        CLEAR     85  48  27 NW7       30.00F                  
Hardin         CLEAR     84  45  24 W9G16     30.01F                  
Harlowton      CLOUDY    77  48  35 E17       30.07S                  
Laurel         CLEAR     81  43  26 CALM      30.07F                  
Livingston     PTSUNNY   76  42  29 W8        30.10F                  
Miles City     SUNNY     81  53  37 MISG      30.00F                  
$$

Regional Reports...Dakotas/MN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Williston      CLOUDY    74  60  61 S12       30.04F                  
Minot          PTSUNNY   70  58  65 SE18      30.06F                  
Dickinson      CLOUDY    71  57  61 SE12G17   30.05F                  
Beach            N/A     77  57  50 SE10      30.05F                  
Bowman         CLOUDY    64  63  94 SE6       30.08S                  
Crosby         CLOUDY    75  61  60 SW13      30.02F                  
Glen Ullin     CLOUDY    66  57  72 SE12      30.06S                  
Hettinger      CLOUDY    64  58  80 E7        30.06F                  
Tioga          PTSUNNY   72  59  64 S16G22    30.07S                  
Watford City   FAIR      75  61  60 VRB7G21   30.04F                  
Bismarck       CLOUDY    65  60  84 E13       30.08F                  
Grand Forks    PTSUNNY   70  58  65 SE15      30.12F                  
Fargo          PTSUNNY   67  58  72 SE15      30.13F                  
Buffalo SD       N/A     72  60  66 E6        30.05F                  
Rapid City     MOSUNNY   72  61  68 N10       30.07F                  
Intl Falls     CLOUDY    61  53  75 SE8       30.24F                  
Duluth         CLOUDY    56  52  86 E13       30.26F                  
Minneapolis    LGT RAIN  61  59  93 E16       30.16                   
$$

Regional Reports...WY/CO/ID/WA/OR
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Buffalo WY     MOSUNNY   79  45  29 MISG      30.11F                  
Cody           PTSUNNY   75  43  31 W5        30.15S                  
Gillette       SUNNY     79  51  37 N7        30.09F                  
Powell         FAIR      79  36  21 E13       30.11F                  
Sheridan       MOSUNNY   82  46  28 NE8       30.07F                  
Yellowstone La   N/A     50  43  77 VRB3      30.35F                  
Boise          CLOUDY    67  44  43 NE10      30.14F                  
Couer d'Alene  SUNNY     72  47  40 VRB3      30.14F                  
Idaho Falls    PTSUNNY   68  52  56 SW6       30.17F                  
Salmon         CLOUDY    64  53  67 NW3       30.15F                  
Spokane        MOSUNNY   72  45  37 NE6       30.13F                  
Seattle        MOSUNNY   64  52  64 SW9       30.21S                  
Portland       CLOUDY    62  53  72 S5        30.23S                  
$$

Other Reports
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Atlanta        MOSUNNY   93  66  40 NW5       30.10F HX  96           
Anchorage      LGT RAIN  48  46  93 CALM      29.75F                  
Boston         PTSUNNY   77  53  43 NW14G23   30.01S                  
Chicago        CLOUDY    69  57  65 E14       30.18F                  
Fairbanks      PTSUNNY   48  43  81 NE6       29.75F                  
Great Falls    MOSUNNY   73  49  42 E8        30.12S                  
Houston        MOSUNNY   94  62  34 NE8       30.06F HX  94           
Las Vegas NV   MOSUNNY   92  50  23 VRB5G17   29.96F                  
Phoenix AZ     MOSUNNY   98  65  33 VRB5      29.92F HX 101           
Salt Lake City PTSUNNY   76  56  49 NW22G31   30.04S                  
San Diego      MOSUNNY   77  58  51 W12       30.04F                  
San Francisco  MOSUNNY   66  57  72 NW17      30.13F                  
Washington Dul CLOUDY    80  70  71 NE6       30.07F                  
$$

Regional Reports...Alberta
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Calgary        MOSUNNY   70  43  37 S8        30.16F                  
Fort McMurray  SUNNY     64  50  59 N3        30.13S                  
High Level     MOSUNNY   63  45  51 SW2       30.08F                  
Lethbridge     PTSUNNY   68  48  49 NE8       30.14F                  
Medicine Hat   MOSUNNY   72  50  46 NE8       30.11F                  
Pincher Creek  SUNNY     66  41  39 SE3       30.17F                  
Fort Smith NWT PTSUNNY   57  43  58 SE3       30.10S                  
$$

Regional Reports...Saskatchewan
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Estevan        CLOUDY    70  61  73 SW5       30.04S                  
Prince Albert  MOSUNNY   72  48  43 NW3       30.04S                  
Regina         PTSUNNY   66  57  72 NE5       30.05S                  
Swift Current  SUNNY     73  48  40 N10G20    30.09R                  
$$
  

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

Ismay, MT

Today
Sunny
82°/ 58° 28°/ 14°
70%
Saturday
Thunderstorms
65°/ 55° 18°/ 13°
90%
Sunday
Thunderstorms
62°/ 52° 17°/ 11°
90%
Monday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
80°/ 55° 27°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
82°28°
0%

Day: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph.

Night: Increasing clouds. Chance of showers and slight chance of thunderstorms in the evening, then showers likely and chance of thunderstorms overnight. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 70 percent.

Baker, MT

Today
Sunny
80°/ 52° 27°/ 11°
40%
Saturday
Rain Showers
65°/ 48° 18°/
90%
Sunday
Rain Showers
62°/ 45° 17°/
90%
Monday
Mostly Cloudy
68°/ 45° 20°/
0%
Tuesday
Partly Cloudy
75°/ 48° 24°/
0%
Wednesday
Sunny
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°28°
0%

Day: Sunny. Highs around 80. Southeast winds 5 to 15 mph.

Night: Increasing clouds. Slight chance of showers and thunderstorms late in the evening. Chance of rain showers and slight chance of thunderstorms overnight. Patchy fog after 3 am. Lows in the lower 50s. Southeast winds 5 to 15 mph. Chance of precipitation 40 percent.

Terry, MT

Today
Sunny
82°/ 55° 28°/ 13°
60%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Tuesday
Clear
52°11°
0%
Wednesday
Clear
52°11°
0%
Thursday
Clear
52°11°
0%

Day: Sunny. Highs in the lower 80s. Northwest wind around 5 mph.

Night: Partly cloudy in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 50s. Northeast wind around 5 mph. Chance of rain 60 percent.

Glendive, MT

Today
Sunny
82°/ 58° 28°/ 14°
50%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
80%
Sunday
Rain Showers
62°/ 48° 17°/
80%
Monday
Partly Cloudy
70°/ 50° 21°/ 10°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Rain Showers
82°/ 52° 28°/ 11°
N/A

Day: Sunny. Highs in the lower 80s. Southeast wind around 5 mph.

Night: Partly cloudy with a slight chance of thunderstorms in the evening, then mostly cloudy with a chance of thunderstorms after midnight. Lows in the upper 50s. Northeast wind 5 to 10 mph. Chance of precipitation 50 percent.

Wibaux, MT

Today
Sunny
78°/ 55° 26°/ 13°
40%
Saturday
Rain Showers
62°/ 50° 17°/ 10°
80%
Sunday
Rain Showers
60°16°
80%
Sun Night-Mon
Mostly Cloudy
48°
0%
Mon Night
Cloudy
48°
0%
Tue-Tue Night
Clear
75°24°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%

Day: Sunny. Highs in the upper 70s. Southeast wind 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers after midnight. Lows in the mid 50s. East wind 5 to 10 mph. Chance of rain 40 percent.

Ekalaka, MT

Today
Sunny
78°/ 58° 26°/ 14°
50%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Sunday
Rain Showers
60°/ 50° 16°/ 10°
100%
Monday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Tuesday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Highs in the upper 70s. Southeast winds 5 to 10 mph.

Night: Mostly cloudy. Slight chance of rain showers late in the evening. Slight chance of thunderstorms in the late evening and overnight. Chance of rain showers overnight. Patchy fog overnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Broadus, MT

Today
Sunny
82°/ 58° 28°/ 14°
80%
Saturday
Thunderstorms
65°/ 55° 18°/ 13°
100%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
90%
Monday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Thunderstorms
78°/ 55° 26°/ 13°
20%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Rain Showers
82°28°
20%

Day: Sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.

Night: Chance of showers and thunderstorms in the evening, then rain showers and slight chance of thunderstorms overnight. Lows in the upper 50s. Southeast winds 5 to 10 mph in the evening shifting to the northwest overnight. Chance of precipitation 80 percent.

Colstrip, MT

Today
Sunny
82°/ 58° 28°/ 14°
80%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
100%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
90%
Monday
Partly Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
82°/ 52° 28°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°28°
0%

Day: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph.

Night: Chance of rain showers in the evening. Chance of thunderstorms through the night. Rain showers overnight. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall in the late evening and overnight, then some thunderstorms may produce heavy rainfall after 3 am. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Sidney, MT

Today
Sunny
80°/ 55° 27°/ 13°
40%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
70%
Sunday
Rain Showers
65°/ 48° 18°/
60%
Mon-Mon Night
Cloudy
72°22°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wed Night
Rain Showers
52°11°
N/A
Thursday
Sunny
82°28°
0%

Day: Sunny. Highs around 80. South wind 5 to 10 mph.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 50s. Northeast wind 5 to 10 mph. Chance of rain 40 percent.

Buffalo, SD

Afternoon
Cloudy
72°/ 55° 22°/ 13°
50%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Sunday
Rain Showers
58°/ 48° 14°/
80%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
78°26°
0%

Day: Partly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A chance of showers after midnight. Patchy fog after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

Circle, MT

Today
Sunny
78°/ 55° 26°/ 13°
40%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Sunday
Rain Showers
62°17°
80%
Sun Night-Mon
Mostly Cloudy
48°
0%
Mon Night
Clear
52°11°
0%
Tuesday
Clear
52°11°
0%
Wednesday
Clear
52°11°
0%
Thursday
Clear
52°11°
0%

Day: Sunny. Highs in the upper 70s. Northwest wind around 5 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of thunderstorms after midnight. Lows in the mid 50s. Northeast wind 5 to 10 mph. Chance of precipitation 40 percent.

Jordan, MT

Today
Sunny
78°/ 55° 26°/ 13°
40%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
80%
Sunday
Rain Showers
62°17°
80%
Sun Night-Mon
Mostly Cloudy
48°
0%
Mon Night
Clear
52°11°
0%
Tuesday
Clear
52°11°
0%
Wednesday
Clear
52°11°
0%
Thursday
Clear
52°11°
0%

Day: Sunny. Highs in the upper 70s. North wind 5 to 10 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Northeast wind around 10 mph. Chance of rain 40 percent.

Lame Deer, MT

Today
Thunderstorms
85°/ 55° 29°/ 13°
80%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
80%
Monday
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
82°/ 52° 28°/ 11°
0%
Wednesday
Sunny
82°/ 52° 28°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Rain Showers
85°29°
20%

Day: Sunny. A 20 percent chance of showers and thunderstorms late in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph.

Night: Rain showers and chance of thunderstorms through the night. Patchy fog after 3 am. Some thunderstorms may produce heavy rainfall in the evening and overnight. Some thunderstorms may produce heavy rainfall after 3 am. Lows in the mid 50s. Northwest winds 5 to 10 mph. Chance of precipitation 80 percent.

Hysham, MT

Today
Sunny
82°/ 58° 28°/ 14°
90%
Saturday
Thunderstorms
62°/ 55° 17°/ 13°
100%
Sunday
Thunderstorms
62°/ 52° 17°/ 11°
90%
Monday
Partly Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°28°
0%

Day: Sunny. Highs in the lower 80s. North winds 5 to 10 mph.

Night: Chance of rain showers in the evening. Chance of thunderstorms through the night. Rain showers overnight. Some thunderstorms may produce heavy rainfall early in the evening. Some thunderstorms may produce heavy rainfall in the late evening and overnight. Lows in the upper 50s. North winds 5 to 10 mph. Chance of precipitation 90 percent.

Lemmon, SD

Afternoon
Cloudy
70°/ 52° 21°/ 11°
0%
Saturday
Rain Showers
65°/ 50° 18°/ 10°
70%
Sunday
Rain Showers
58°/ 48° 14°/
90%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Cloudy
75°/ 52° 24°/ 11°
20%
Thursday
Cloudy
78°26°
0%

Day: Cloudy. Highs around 70. East winds 5 to 10 mph.

Night: Cloudy. Lows in the lower 50s. East winds 5 to 10 mph.

Wolf Point, MT

Today
Sunny
82°/ 55° 28°/ 13°
20%
Saturday
Rain Showers
68°/ 50° 20°/ 10°
60%
Sunday
Rain Showers
65°/ 48° 18°/
60%
Monday
Sunny
72°/ 50° 22°/ 10°
0%
Tue Night
Cloudy
52°11°
0%
Wednesday
Clear
82°28°
0%
Thursday
Clear
82°28°
0%

Day: Sunny. Highs in the lower 80s. Northeast wind around 5 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 50s. Northeast wind 10 to 15 mph. Chance of rain 20 percent.

Culbertson, MT

Today
Sunny
78°/ 55° 26°/ 13°
30%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Rain Showers
62°/ 48° 17°/
60%
Mon-Mon Night
Cloudy
72°22°
0%
Tue-Tue Night
Cloudy
78°26°
0%
Wednesday
Clear
82°28°
0%
Thursday
Clear
82°28°
0%

Day: Sunny. Near steady temperature in the upper 70s. Southwest wind 5 to 10 mph.

Night: Partly cloudy with a chance of showers in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 50s. Northeast wind 5 to 10 mph. Chance of rain 30 percent.

Usta, SD

Afternoon
Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
70%
Sunday
Rain Showers
60°/ 48° 16°/
80%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Cloudy
70°/ 52° 21°/ 11°
0%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
30%
Thursday
Cloudy
78°26°
0%

Day: Cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Cloudy. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Belle Fourche, SD

Afternoon
Cloudy
75°/ 55° 24°/ 13°
50%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Sunday
Thunderstorms
60°/ 48° 16°/
90%
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
78°26°
0%

Day: Partly cloudy. Highs in the mid 70s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

Moorcroft, WY

Afternoon
Sunny
82°/ 52° 28°/ 11°
70%
Saturday
Thunderstorms
68°/ 48° 20°/
70%
Sunday
Thunderstorms
62°/ 45° 17°/
70%
Monday
Rain Showers
68°/ 45° 20°/
40%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Thunderstorms
80°/ 48° 27°/
20%
Thursday
Sunny
82°28°
0%

Day: Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Night: Showers likely with a chance of thunderstorms. Lows in the lower 50s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Names listed above may include county names.

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