Roundup High School, MT Weather Forecast & Current Conditions

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Roundup High School Weather Map
UTC Time: 9/20/2026, 11:35
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Roundup High School, MT Regional Weather

Expires:202609201200;;761992
ASUS45 KTFX 201110
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
500 AM MDT SUN SEP 20 2026

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


MTZ028>42-056>058-201200-
Southcentral and southeast Montana
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Baker          CLOUDY    54  53  97 SE18      30.14S                  
Big Timber     CLOUDY    50  48  93 W5        30.23S                  
Billings       DRIZZLE   52  51  97 NW17      30.16R FOG              
Forsyth        LGT RAIN  58  58 100 NE9       30.08S                  
Hardin         CLOUDY    55  54  94 W13       30.09S FOG              
Harlowton      FAIR      49  47  94 N6        30.18R                  
Laurel         PTSUNNY   54  54 100 NW12G17   30.18R FOG              
Livingston     CLOUDY    46  44  93 W6        30.23R                  
Miles City     LGT RAIN  58  58 100 NE8       30.09S                  
$$

Regional Reports...Dakotas/MN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Williston      CLOUDY    53  50  89 E15       30.22S                  
Minot          MOCLDY    47  47 100 N6        30.26R                  
Dickinson      CLOUDY    55  55 100 E13       30.16S FOG              
Beach            N/A     57  57 100 SE14      30.17S                  
Bowman         CLOUDY    55  55 100 SE13      30.15S FOG              
Crosby         CLOUDY    50  48  93 E7        30.26R                  
Glen Ullin     CLOUDY    55  55 100 E9G16     30.18R                  
Hettinger      RAIN      56  55  97 E17G25    30.15S FOG              
Tioga          FAIR      52  52 100 E12       30.26S                  
Watford City   CLOUDY    54  54 100 E10       30.22R                  
Bismarck       CLOUDY    56  52  86 NE13      30.19S                  
Grand Forks    FOG       47  47 100 N6        30.24R VSB 1/4          
Fargo          FOG       52  52 100 NE13      30.18R VSB 3/4          
Buffalo SD       N/A     54  54 100 E14       30.13R                  
Rapid City     HVY RAIN  56  56 100 SE6       30.12S FOG              
Intl Falls     CLOUDY    50  49  96 NE6       30.24R                  
Duluth         MOCLDY    51  49  92 MISG      30.17R                  
Minneapolis    PTCLDY    56  54  93 NE7       30.09S                  
$$

Regional Reports...WY/CO/ID/WA/OR
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Buffalo WY     LGT RAIN  51  50  96 S3        30.14R FOG              
Cody           CLOUDY    48  46  93 N7        30.22S                  
Gillette       CLOUDY    52  50  93 W3        30.12S                  
Powell         RAIN      46  45  93 NW18      30.17S                  
Sheridan       CLOUDY    54  51  90 NW12      30.12S                  
Yellowstone La   N/A     38  37  97 CALM      30.31S                  
Boise          CLEAR     58  47  66 SE9       30.12S                  
Couer d'Alene  CLEAR     49  45  86 E6        30.13R                  
Idaho Falls    CLEAR     42  41  96 CALM      30.22S                  
Salmon         PTCLDY    46  45  96 S3        30.24R                  
Spokane        CLEAR     57  45  64 SE5       30.11R                  
Seattle        PTCLDY    53  51  93 N5        30.10S                  
Portland       CLEAR     57  54  89 CALM      30.06S                  
$$

Other Reports
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Atlanta        MOCLDY    72  69  90 E5        30.03R                  
Anchorage      LGT RAIN  46  45  93 N6        29.16F                  
Boston         CLOUDY    58  49  72 SE10      30.14S                  
Chicago        TSTM      67  66  97 NE8       29.91F                  
Fairbanks      PTCLDY    45  39  81 NE6       29.30S                  
Great Falls    MOCLDY    50  44  80 S3        30.17S                  
Houston        PTCLDY    73  72  96 CALM      29.93S                  
Las Vegas NV   PTCLDY    72  21  14 SW5       29.95S                  
Phoenix AZ     CLEAR     82  54  37 CALM      29.85S                  
Salt Lake City CLEAR     54  44  69 SE5       30.18R                  
San Diego      CLOUDY    70  62  76 NE3       29.93F                  
San Francisco  MOCLDY    57  54  89 W9        29.95F                  
Washington Dul MOCLDY    70  64  81 S13       29.99S                  
$$

Regional Reports...Alberta
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Calgary        CLEAR     45  41  87 SW3       30.08R                  
Fort McMurray  CLEAR     55  48  76 SW5       29.95R                  
High Level     CLEAR     41  41 100 SE5       29.85S                  
Lethbridge     PTCLDY    54  45  71 S10       30.07S                  
Medicine Hat   CLEAR     46  43  87 E6        30.14S                  
Pincher Creek  CLEAR     45  41  87 W9        30.10S                  
Fort Smith NWT CLEAR     46  45  93 S2        29.80R                  
$$

Regional Reports...Saskatchewan
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Estevan        CLOUDY    50  50 100 E9        30.27R                  
Prince Albert  CLEAR     39  39 100 NE3       30.20F                  
Regina         MOCLDY    48  46  93 SE9       30.26S                  
Saskatoon      CLEAR     46  43  87 SE6       30.20S                  
Swift Current  MOCLDY    45  43  93 SE7       30.20S                  
$$
  

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

Roundup High School, MT

Today
Rain Showers
62°/ 48° 17°/
90%
Monday
Partly Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wednesday
Partly Cloudy
80°/ 50° 27°/ 10°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
72°22°
0%

Day: Patchy fog early in the morning. Rain showers early in the morning, then scattered rain showers in the late morning and afternoon. Highs in the lower 60s. North winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Mostly cloudy. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the upper 40s. East winds 5 to 10 mph in the evening becoming light overnight.

Ryegate, MT

Today
Rain Showers
65°/ 48° 18°/
30%
Monday
Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Sunny
82°/ 50° 28°/ 10°
0%
Saturday
Sunny
72°22°
0%

Day: Mostly cloudy. Patchy fog early in the morning. Scattered rain showers in the morning, then isolated rain showers in the afternoon. Highs in the mid 60s. Northwest winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. Chance of precipitation 30 percent.

Night: Mostly cloudy. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the upper 40s. Southeast winds 5 to 10 mph.

Billings, MT

Today
Rain Showers
62°/ 48° 17°/
100%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
20%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Saturday
Sunny
75°24°
0%

Day: Patchy fog early in the morning. Rain showers early in the morning, then numerous rain showers late in the morning. Scattered rain showers in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Winnett, MT

Today
Rain Showers
62°/ 48° 17°/
80%
Monday
Mostly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wed Night
Clear
52°11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Fri Night-Sat
Cloudy
52°11°
0%

Day: Showers, mainly this morning. Highs in the lower 60s. North wind 5 to 10 mph. Chance of rain 80 percent.

Night: Mostly cloudy. Lows in the upper 40s. Southeast wind around 5 mph.

Hilger, MT

Today
Rain
63°/ 44° 17°/
50%
Monday
Partly Cloudy
75°/ 48° 24°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 52° 28°/ 11°
0%

Day: Cloudy with chance of rain in the morning, then partly sunny with slight chance of rain early in the afternoon. Mostly sunny late in the afternoon. Highs 63 to 69. North winds up to 5 mph shifting to the east in the afternoon. Chance of rain 50 percent.

Night: Partly cloudy. Patchy fog after midnight. Lows 44 to 50. Southeast winds 5 to 10 mph.

Custer, MT

Today
Rain Showers
65°/ 48° 18°/
100%
Monday
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Partly Cloudy
82°/ 52° 28°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
75°24°
0%

Day: Patchy fog early in the morning. Rain showers in the morning, then numerous rain showers in the afternoon. Highs in the mid 60s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the upper 40s. Northeast winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 20 percent.

Columbus, MT

Today
Rain Showers
65°/ 45° 18°/
30%
Monday
Partly Cloudy
72°/ 42° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
20%
Wednesday
Partly Cloudy
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 48° 27°/
0%
Friday
Sunny
82°/ 48° 28°/
0%
Saturday
Sunny
75°24°
0%

Day: Mostly cloudy. Patchy fog early in the morning. Scattered rain showers in the morning, then isolated rain showers in the afternoon. Highs in the mid 60s. Northwest winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. East winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 20 percent.

Harlowton, MT

Today
Rain Showers
68°/ 45° 20°/
20%
Monday
Partly Cloudy
72°/ 45° 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°/
0%
Saturday
Sunny
72°22°
0%

Day: Patchy fog early in the morning. Mostly cloudy with isolated rain showers in the morning and early afternoon, then mostly sunny late in the afternoon. Highs in the upper 60s. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. Southeast winds 5 to 10 mph.

Colstrip, MT

Today
Thunderstorms
62°/ 48° 17°/
100%
Monday
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
85°/ 55° 29°/ 13°
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Rain showers in the morning, then rain showers and isolated thunderstorms in the afternoon. Highs in the lower 60s. East winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog in the late evening and overnight. Lows in the upper 40s. East winds 5 to 10 mph. Chance of precipitation 20 percent.

Jordan, MT

Today
Rain Showers
62°/ 45° 17°/
90%
Monday
Mostly Cloudy
68°/ 48° 20°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wed Night
Clear
52°11°
0%
Thursday
Clear
52°11°
0%
Fri Night
Clear
52°11°
0%
Saturday
Sunny
72°22°
0%

Day: Showers, mainly this morning. Highs in the lower 60s. East wind 5 to 10 mph. Chance of rain 90 percent.

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

Hysham, MT

Today
Thunderstorms
62°/ 48° 17°/
100%
Monday
Partly Cloudy
70°/ 48° 21°/
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
85°/ 55° 29°/ 13°
0%
Saturday
Sunny
75°24°
0%

Day: Patchy fog early in the morning. Rain showers in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. Highs in the lower 60s. Northeast winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the upper 40s. East winds 5 to 10 mph. Chance of precipitation 20 percent.

Judith Gap, MT

Today
Rain Showers
62°/ 45° 17°/
20%
Monday
Partly Cloudy
70°/ 45° 21°/
0%
Tuesday
Sunny
75°/ 48° 24°/
0%
Wednesday
Sunny
75°/ 48° 24°/
0%
Thursday
Sunny
75°/ 48° 24°/
0%
Friday
Sunny
78°/ 48° 26°/
0%
Saturday
Rain Showers
68°20°
20%

Day: Patchy fog early in the morning. Mostly cloudy with isolated rain showers in the morning and early afternoon, then mostly sunny late in the afternoon. Highs in the lower 60s. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Increasing clouds. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. South winds 5 to 15 mph.

Raynesford, MT

Today
Rain
68°/ 45° 20°/
20%
Monday
Sunny
75°/ 48° 24°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wed Night
Cloudy
50°10°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°/ 48° 26°/
0%
Saturday
Rain
68°20°
20%

Day: Mostly cloudy with a 20 percent chance of rain early in the morning, then mostly sunny in the late morning and afternoon. Highs in the upper 60s. Southwest winds up to 5 mph shifting to the northeast in the afternoon.

Night: Mostly clear. Lows in the mid 40s. Southeast winds up to 10 mph shifting to the south after midnight. Gusts up to 25 mph.

Joliet, MT

Today
Rain Showers
65°/ 42° 18°/
40%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
20%
Wednesday
Partly Cloudy
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Friday
Sunny
82°/ 50° 28°/ 10°
0%
Saturday
Sunny
75°24°
0%

Day: Mostly cloudy. Patchy fog early in the morning. Scattered rain showers in the morning, then isolated rain showers in the afternoon. Highs in the mid 60s. Northwest winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the lower 40s. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Snowy and Judith Mountains, MT

Today
Rain
55°/ 42° 13°/
50%
Monday
Sunny
63°/ 45° 17°/
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Clear
68°20°
0%
Friday
Clear
68°/ 48° 20°/
0%
Saturday
Rain
59°15°
20%

Day: Cloudy with chance of rain in the morning, then partly sunny with slight chance of rain in the afternoon. Highs 55 to 61. North winds up to 5 mph. Chance of rain 50 percent.

Night: Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. Southeast winds up to 10 mph with gusts to around 25 mph.

Hardin, MT

Today
Rain Showers
62°/ 45° 17°/
100%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
20%
Wednesday
Rain Showers
80°/ 48° 27°/
20%
Thursday
Sunny
82°/ 50° 28°/ 10°
0%
Friday
Sunny
85°/ 50° 29°/ 10°
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Rain showers in the morning and early afternoon, then numerous rain showers late in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Mostly cloudy. Scattered rain showers early in the evening, then isolated rain showers late in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. Northeast winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 30 percent.

Pryor, MT

Today
Rain Showers
62°/ 45° 17°/
100%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
80°/ 48° 27°/
20%
Wednesday
Rain Showers
80°/ 48° 27°/
20%
Thursday
Sunny
85°/ 52° 29°/ 11°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Rain showers in the morning and early afternoon, then numerous rain showers late in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Cloudy. Scattered rain showers early in the evening, then isolated rain showers late in the evening. Areas of dense fog in the late evening and overnight. Lows in the mid 40s. Northwest winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 50 percent.

Melville, MT

Today
Rain Showers
62°/ 45° 17°/
20%
Monday
Sunny
68°/ 45° 20°/
0%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Sunny
75°/ 50° 24°/ 10°
0%
Saturday
Rain Showers
68°20°
20%

Day: Patchy fog early in the morning. Partly sunny with isolated rain showers. Highs in the lower 60s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. South winds 5 to 10 mph. Chance of precipitation 20 percent.

Big Timber, MT

Today
Rain Showers
65°/ 45° 18°/
20%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wednesday
Sunny
78°/ 48° 26°/
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
72°22°
0%

Day: Mostly cloudy. Patchy fog early in the morning. Isolated rain showers in the morning and early afternoon. Highs in the mid 60s. West winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Red Lodge, MT

Today
Rain Showers
58°/ 42° 14°/
40%
Monday
Sunny
65°/ 45° 18°/
0%
Tuesday
Sunny
72°/ 50° 22°/ 10°
30%
Wednesday
Rain Showers
72°/ 48° 22°/
20%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
70°21°
0%

Day: Mostly cloudy. Patchy fog early in the morning. Scattered rain showers in the morning, then isolated rain showers in the afternoon. Highs in the upper 50s. Northwest winds 5 to 15 mph. Chance of precipitation 40 percent.

Night: Mostly cloudy. Isolated rain showers early in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the lower 40s. Northwest winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 20 percent.

Names listed above may include county names.

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