Split Reservoir, MT Weather Forecast & Current Conditions

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Split Reservoir, MT Weather Maps

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Split Reservoir Weather Map
UTC Time: 9/21/2026, 14:14
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Split Reservoir, MT Regional Weather

Expires:202609211500;;820991
ASUS45 KTFX 211410
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
800 AM MDT MON SEP 21 2026

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


MTZ017>020-022>027-061-062-211500-
Northeast Montana
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Glasgow        CLOUDY    54  51  90 SE12      30.19R                  
Glendive       CLOUDY    53  52  96 E6        30.24R                  
Jordan           N/A     55  52  89 SE5       30.19R                  
Malta          CLOUDY    55  55 100 E5        30.15F                  
Plentywood     SUNNY     50  50 100 SE7       30.24S                  
Poplar         CLOUDY    55  52  88 SE8       30.22S                  
Scobey         CLOUDY    54  52  94 S9        30.21S                  
Sidney         CLOUDY    55  51  86 CALM      30.25R                  
Wolf Point     PTSUNNY   55  52  89 NE6       30.22S                  
$$


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

Split Reservoir, MT

Today
Mostly Cloudy
68°/ 45° 20°/
0%
Tuesday
Sunny
75°/ 48° 24°/
0%
Wednesday
Partly Cloudy
78°/ 48° 26°/
0%
Thu Night-Fri
Clear
55°13°
0%
Fri Night-Sat
Cloudy
48°
0%
Sat Night-Sun
Rain Showers
42°
N/A

Day: Mostly cloudy this morning, then becoming mostly sunny. Highs in the upper 60s. Southeast wind 5 to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast wind 5 to 10 mph.

Winnett, MT

Today
Mostly Cloudy
70°/ 45° 21°/
0%
Tuesday
Partly Cloudy
78°/ 50° 26°/ 10°
0%
Wednesday
Partly Cloudy
80°/ 52° 27°/ 11°
0%
Thursday
Clear
52°11°
0%
Friday
Clear
52°/ 50° 11°/ 10°
0%
Saturday
Sunny
68°/ 42° 20°/
0%
Sunday
Rain Showers
68°20°
N/A

Day: Mostly cloudy this morning, then clearing. Highs around 70. South wind 10 to 15 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast wind 5 to 10 mph.

Colstrip, MT

Today
Mostly Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
40%
Wednesday
Rain Showers
78°/ 50° 26°/ 10°
30%
Thursday
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
72°/ 45° 22°/
0%
Sunday
Sunny
70°21°
0%

Day: Mostly cloudy. Patchy fog early in the morning. Highs around 70. Southeast winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 40s. East winds 5 to 15 mph.

Roundup, MT

Today
Partly Cloudy
68°/ 45° 20°/
0%
Tuesday
Partly Cloudy
78°/ 48° 26°/
0%
Wednesday
Partly Cloudy
80°/ 50° 27°/ 10°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 48° 28°/
20%
Saturday
Sunny
70°/ 42° 21°/
20%
Sunday
Rain Showers
65°18°
20%

Day: Decreasing clouds. Areas of fog early in the morning, then patchy fog late in the morning. Highs in the upper 60s. South winds 5 to 10 mph.

Night: Mostly clear. Patchy fog overnight. Lows in the mid 40s. Southeast winds 5 to 10 mph in the evening shifting to the southwest overnight.

Hilger, MT

Today
Sunny
75°/ 48° 24°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 55° 26°/ 13°
0%
Thursday
Clear
55°13°
0%
Friday
Clear
55°/ 48° 13°/
20%
Saturday
Sunny
68°/ 42° 20°/
20%
Sunday
Rain
65°18°
20%

Day: Mostly sunny. Patchy fog in the morning. Highs in the mid 70s. Southeast winds 5 to 15 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 5 to 15 mph with gusts to around 30 mph.

Zortman, MT

Today
Mostly Cloudy
65°/ 48° 18°/
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Clear
55°13°
0%
Friday
Clear
55°/ 50° 13°/ 10°
0%
Saturday
Sunny
62°/ 42° 17°/
0%
Sunday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy this morning, then becoming mostly sunny. Areas of fog this morning. Patchy fog this afternoon. Highs in the mid 60s. South wind 10 to 15 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the upper 40s. South wind 10 to 15 mph.

Rocky Boy, MT

Today
Sunny
69°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
74°/ 55° 23°/ 13°
0%
Thursday
Clear
55°13°
0%
Friday
Clear
55°/ 48° 13°/
20%
Saturday
Sunny
61°/ 42° 16°/
20%
Sunday
Partly Cloudy
59°15°
0%

Day: Mostly sunny. Patchy fog in the morning. Highs 69 to 75. Southeast winds 5 to 15 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 5 to 15 mph with gusts to around 35 mph.

Hysham, MT

Today
Partly Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
75°/ 52° 24°/ 11°
40%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
30%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
72°/ 45° 22°/
0%
Sunday
Sunny
68°20°
0%

Day: Decreasing clouds. Areas of fog early in the morning. Highs around 70. Southeast winds 5 to 10 mph.

Night: Mostly clear. Patchy fog after 3 am. Lows in the mid 40s. East winds 5 to 15 mph.

Malta, MT

Today
Mostly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Partly Cloudy
78°/ 48° 26°/
0%
Thu Night-Fri
Clear
55°13°
0%
Fri Night
Rain Showers
48°
N/A
Sat-Sat Night
Cloudy
68°20°
0%
Sunday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy this morning, then clearing. Highs around 70. Southeast wind 5 to 10 mph, increasing to around 15 mph this afternoon.

Night: Mostly clear. Lows in the upper 40s. Southeast wind 10 to 15 mph.

Snowy and Judith Mountains, MT

Today
Sunny
63°/ 45° 17°/
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Sunny
68°/ 52° 20°/ 11°
0%
Thursday
Clear
52°11°
0%
Friday
Clear
52°/ 45° 11°/
20%
Saturday
Sunny
57°/ 38° 14°/
20%
Sunday
Rain
55°13°
20%

Day: Warmer, sunny. Patchy fog in the morning. Highs 63 to 71. South winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows in the mid 40s. South winds 5 to 15 mph with gusts to around 30 mph.

Custer, MT

Today
Cloudy
70°/ 45° 21°/
0%
Tuesday
Partly Cloudy
78°/ 52° 26°/ 11°
40%
Wednesday
Rain Showers
80°/ 52° 27°/ 11°
20%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
72°/ 48° 22°/
0%
Sunday
Rain Showers
70°21°
20%

Day: Cloudy in the morning then becoming partly sunny early in the afternoon then becoming sunny late in the afternoon. Areas of fog early in the morning, then patchy fog late in the morning. Highs around 70. South winds 5 to 10 mph.

Night: Mostly clear. Patchy fog after 3 am. Lows in the mid 40s. East winds 5 to 10 mph.

Glasgow, MT

Today
Mostly Cloudy
68°/ 48° 20°/
0%
Tuesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Partly Cloudy
78°/ 50° 26°/ 10°
0%
Thu Night-Fri
Clear
55°13°
0%
Fri Night-Sat
Cloudy
52°11°
0%
Sat Night-Sun
Cloudy
42°
0%

Day: Mostly cloudy this morning, then becoming mostly sunny. Highs in the upper 60s. Southeast wind 10 to 15 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast wind 10 to 15 mph.

Ryegate, MT

Today
Cloudy
68°/ 45° 20°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thursday
Sunny
82°/ 50° 28°/ 10°
0%
Friday
Sunny
82°/ 48° 28°/
20%
Saturday
Sunny
68°/ 42° 20°/
20%
Sunday
Rain Showers
65°18°
20%

Day: Cloudy in the morning then becoming partly sunny early in the afternoon then becoming sunny late in the afternoon. Areas of fog early in the morning, then patchy fog late in the morning. Highs in the upper 60s. South winds 5 to 10 mph.

Night: Mostly clear. Patchy fog overnight. Lows in the mid 40s. East winds 5 to 10 mph in the evening shifting to the northwest overnight.

Billings, MT

Today
Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
40%
Wednesday
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
20%
Saturday
Sunny
72°/ 45° 22°/
0%
Sunday
Rain Showers
68°20°
20%

Day: Cloudy in the morning then becoming partly sunny early in the afternoon then becoming sunny late in the afternoon. Areas of fog early in the morning, then patchy fog late in the morning. Highs around 70. Southeast winds 5 to 10 mph.

Night: Mostly clear. Patchy fog overnight. Lows in the upper 40s. North winds 5 to 10 mph.

Circle, MT

Today
Sunny
68°/ 45° 20°/
0%
Tuesday
Sunny
75°/ 48° 24°/
0%
Wednesday
Rain Showers
78°/ 50° 26°/ 10°
30%
Thu Night-Fri
Clear
55°13°
0%
Fri Night-Sat
Cloudy
52°11°
0%
Sat Night-Sun
Cloudy
42°
0%

Day: Mostly sunny. Highs in the upper 60s. Southeast wind 5 to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast wind 10 to 15 mph.

Raynesford, MT

Today
Sunny
75°/ 45° 24°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Clear
52°11°
0%
Friday
Clear
52°/ 45° 11°/
20%
Sat Night
Rain
38°
30%
Sunday
Rain
65°18°
20%

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. South winds up to 10 mph with gusts to around 25 mph.

Night: Mostly clear. Lows in the mid 40s. South winds 5 to 15 mph with gusts to around 35 mph.

Judith Gap, MT

Today
Partly Cloudy
68°/ 42° 20°/
0%
Tuesday
Sunny
75°/ 48° 24°/
0%
Wednesday
Sunny
75°/ 48° 24°/
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Sunny
78°/ 45° 26°/
20%
Saturday
Sunny
65°/ 38° 18°/
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Decreasing clouds. Areas of fog early in the morning, then patchy fog late in the morning. Highs in the upper 60s. South winds 5 to 15 mph.

Night: Mostly clear. Lows in the lower 40s. Southeast winds 5 to 15 mph.

Chinook, MT

Today
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thu Night
Cloudy
52°11°
0%
Friday
Sunny
78°/ 48° 26°/
20%
Sat-Sat Night
Cloudy
65°18°
0%
Sunday
Partly Cloudy
62°17°
0%

Day: Partly sunny in the morning then clearing. Patchy fog early in the morning. Highs in the lower 70s. Southeast winds 10 to 20 mph.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 10 to 20 mph.

Harlowton, MT

Today
Partly Cloudy
72°/ 42° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thursday
Sunny
78°/ 48° 26°/
0%
Friday
Sunny
80°/ 48° 27°/
20%
Saturday
Sunny
68°/ 40° 20°/
20%
Sunday
Rain Showers
65°18°
20%

Day: Decreasing clouds. Areas of fog early in the morning, then patchy fog late in the morning. Highs in the lower 70s. Southeast winds 5 to 10 mph.

Night: Partly cloudy. Patchy fog overnight. Lows in the lower 40s. Southeast winds 5 to 15 mph in the evening shifting to the northwest 5 to 10 mph overnight.

Hardin, MT

Today
Cloudy
72°/ 42° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
50%
Wednesday
Rain Showers
78°/ 48° 26°/
30%
Thursday
Sunny
85°/ 50° 29°/ 10°
0%
Friday
Sunny
85°/ 48° 29°/
0%
Saturday
Sunny
75°/ 42° 24°/
0%
Sunday
Sunny
72°22°
0%

Day: Cloudy in the morning then becoming partly sunny early in the afternoon then becoming sunny late in the afternoon. Areas of fog early in the morning, then patchy fog late in the morning. Highs in the lower 70s. Southeast winds 5 to 10 mph.

Night: Mostly clear. Lows in the lower 40s. Southeast winds 5 to 10 mph.

Names listed above may include county names.

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