Gergen Reservoir, MT Weather Forecast & Current Conditions

Feedback E-mail the Weather

Quick Clicks

Weather World

Gergen Reservoir, MT Weather Maps

°F °C°F °C
Gergen Reservoir Weather Map
UTC Time: 9/27/2026, 12:54
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Gergen Reservoir, MT Regional Weather

Expires:202609271300;;137923
ASUS45 KTFX 271210
RWRMT 
Montana Regional Weather Roundup
National Weather Service Great Falls MT
600 AM MDT SUN SEP 27 2026

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


MTZ028>42-056>058-271300-
Southcentral and southeast Montana
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Baker          PTCLDY    44  32  62 W3        30.19R                  
Billings       PTCLDY    48  27  44 CALM      30.21R                  
Forsyth        SUNNY     43  35  75 SW6       30.20R                  
Hardin         SUNNY     39  32  75 NW8       30.19S WCI  34          
Harlowton      FAIR      35  25  66 NW5       30.19R WCI  31          
Livingston     PTCLDY    30  24  78 W3        30.20S                  
Miles City     CLEAR     41  35  79 NW7       30.19R                  
$$

Regional Reports...Dakotas/MN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Williston      CLEAR     42  32  67 W9        30.13R                  
Minot          CLEAR     47  34  60 SW9       30.08R                  
Dickinson      PTCLDY    44  35  70 NW8       30.13R                  
Beach            N/A     43  28  56 W3        30.19R                  
Bowman         FAIR      46  32  57 N9        30.17R                  
Crosby         FAIR      43  36  75 NW12      30.11R                  
Glen Ullin     FAIR      43  37  81 CALM      30.13R                  
Hettinger      CLOUDY    49  42  77 N3        30.17R                  
Tioga          FAIR      37  30  75 S7        30.14R WCI  32          
Watford City   FAIR      45  34  65 W9        30.15R                  
Bismarck       MOCLDY    51  47  86 CALM      30.13R                  
Grand Forks    CLEAR     50  48  93 SW6       30.02R                  
Fargo          CLOUDY    62  62 100 NW6       30.05R                  
Buffalo SD       N/A     51  38  60 N14       30.16R                  
Rapid City     CLOUDY    57  47  69 N13       30.12R                  
Intl Falls     CLOUDY    56  56 100 MISG      30.02R                  
Duluth         CLOUDY    57  52  83 VRB5      30.09                   
Minneapolis    CLOUDY    58  57  97 SE6       30.09                   
$$

Regional Reports...WY/CO/ID/WA/OR
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Buffalo WY     PTCLDY    48  37  65 NW9       30.20R                  
Cody           MOCLDY    47  22  37 NE8       30.21F                  
Gillette       PTCLDY    45  34  65 NW10      30.16R                  
Powell         FAIR      41  18  38 NW16      30.17R                  
Sheridan       PTCLDY    45  38  76 SE3       30.20R                  
Yellowstone La   N/A     38  35  89 CALM      30.27R                  
Boise          CLOUDY    52  34  50 NW3       30.02F                  
Couer d'Alene  PTCLDY    40  37  89 NE13      30.15F WCI  32          
Idaho Falls    MOCLDY    44  41  89 CALM      30.09F                  
Salmon         MOCLDY    36  31  82 CALM      30.15S                  
Spokane        CLOUDY    41  37  86 NE7       30.13S                  
Seattle        CLOUDY    49  46  90 NE13      30.07F                  
Portland       PTCLDY    52  43  71 NW7       29.98F                  
$$

Other Reports
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Atlanta        PTCLDY    56  48  74 NW6       29.96R                  
Anchorage      CLOUDY    46  43  87 S8        29.25S                  
Boston         HVY RAIN  58  57  97 NE29G40   29.77R FOG              
Chicago        FOG       51  49  92 CALM      30.13R VSB 1/4          
Fairbanks      PTCLDY    34  30  86 NE6       29.27F WCI  29          
Great Falls    PTCLDY    33  23  66 N3        30.17F                  
Houston        PTCLDY    72  72 100 N5        29.95R                  
Las Vegas NV   MOCLDY    78  34  20 SW6       29.91R                  
Phoenix AZ     CLOUDY    80  53  39 E6        29.86R                  
Salt Lake City MOCLDY    60  48  64 CALM      30.02R                  
San Diego      MOCLDY    72  69  90 CALM      29.84F                  
San Francisco  MOCLDY    59  52  77 W7        29.89S                  
Washington Dul PTSUNNY   62  51  67 NW10      29.72F                  
$$

Regional Reports...Alberta
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Calgary        PTCLDY    30  28  93 S6        30.09S WCI  24          
Fort McMurray  CLEAR     36  34  93 SW9       29.78R WCI  29          
High Level     CLEAR     27  27 100 CALM      29.75F                  
Lethbridge     PTCLDY    28  27  93 SW2       30.13F                  
Medicine Hat   CLEAR     34  32  93 SW6       30.17R WCI  29          
Pincher Creek  CLEAR     28  25  86 NW5       30.13F WCI  23          
Fort Smith NWT CLOUDY    36  34  93 NW18G28   29.53R WCI  25          
$$

Regional Reports...Saskatchewan
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Estevan        CLEAR     41  39  93 NW9       30.10R                  
Prince Albert  PTCLDY    43  37  81 W9        29.98R                  
Regina         PTCLDY    39  37  93 W10       30.11R WCI  32          
Saskatoon      PTCLDY    37  34  87 SW12      30.06R WCI  30          
Swift Current  CLEAR     36  36 100 SW9       30.14R WCI  29          
$$
  

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

Gergen Reservoir, MT

Today
Rain Showers
68°/ 52° 20°/ 11°
40%
Monday
Rain Showers
70°/ 48° 21°/ 9°
20%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Partly Cloudy
65°18°
0%

Day: Partly sunny. A 20 percent chance of rain showers early in the afternoon. Highs in the upper 60s. East winds 10 to 20 mph.

Night: Mostly cloudy. 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 10 to 20 mph. Chance of precipitation 40 percent.

Buffalo, SD

Today
Mostly Cloudy
68°/ 52° 20°/ 11°
90%
Monday
Thunderstorms
72°/ 50° 22°/ 10°
50%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
70°/ 48° 21°/ 9°
0%
Saturday
Rain Showers
62°17°
20%

Day: Becoming mostly cloudy. Highs in the upper 60s. Northeast winds 10 to 20 mph. Gusts up to 35 mph this afternoon.

Night: Cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.

Baker, MT

Today
Rain Showers
68°/ 50° 20°/ 10°
40%
Monday
Rain Showers
70°/ 45° 21°/ 7°
20%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 42° 22°/ 6°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly sunny in the morning, then mostly cloudy with a 20 percent chance of rain showers early in the afternoon. Partly sunny late in the afternoon. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Mostly cloudy. Slight chance of rain showers in the evening, then chance of showers and thunderstorms overnight. Lows around 50. Southeast winds 10 to 20 mph. Chance of precipitation 40 percent.

Broadus, MT

Today
Rain Showers
68°/ 55° 20°/ 13°
30%
Monday
Partly Cloudy
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Friday
Sunny
72°/ 50° 22°/ 10°
0%
Saturday
Rain Showers
65°18°
20%

Day: Increasing clouds. A 20 percent chance of rain showers early in the afternoon. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Mostly cloudy. Slight chance of thunderstorms late in the evening. Slight chance of rain showers in the late evening and overnight, then chance of rain showers after 3 am. Patchy fog after 3 am. Lows in the mid 50s. Southeast winds 5 to 15 mph. Chance of precipitation 30 percent.

Belle Fourche, SD

Today
Cloudy
68°/ 55° 20°/ 13°
80%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
50%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
72°/ 50° 22°/ 10°
0%
Saturday
Rain Showers
65°18°
20%

Day: Partly cloudy and breezy. Highs in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph, increasing to east 15 to 25 mph with gusts up to 35 mph this afternoon.

Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Breezy with lows in the mid 50s. Southeast winds 20 to 30 mph. Chance of rain 80 percent.

Sundance, WY

Today
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Thunderstorms
72°/ 48° 22°/ 9°
50%
Tuesday
Cloudy
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
70°/ 48° 21°/ 9°
0%
Saturday
Rain Showers
62°17°
20%

Day: Partly cloudy. A slight chance of showers this afternoon. Highs in the upper 60s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.

Night: Partly cloudy with a chance of showers in the evening, then mostly cloudy with showers likely after midnight. Lows in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 60 percent.

Moorcroft, WY

Today
Mostly Cloudy
72°/ 52° 22°/ 11°
50%
Monday
Thunderstorms
75°/ 45° 24°/ 7°
40%
Tuesday
Sunny
75°/ 45° 24°/ 7°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
72°/ 45° 22°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Rain Showers
68°20°
20%

Day: Becoming mostly cloudy. Highs in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph.

Colony, WY

Today
Cloudy
68°/ 52° 20°/ 11°
50%
Monday
Thunderstorms
75°/ 50° 24°/ 10°
60%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Rain Showers
65°18°
20%

Day: Partly cloudy. Highs in the upper 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph, increasing to east 15 to 20 mph with gusts up to 30 mph this afternoon.

Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Miles City, MT

Today
Partly Cloudy
68°/ 52° 20°/ 11°
20%
Monday
Mostly Cloudy
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Partly Cloudy
65°18°
0%

Day: Partly sunny. Highs in the upper 60s. East winds 5 to 15 mph.

Night: Mostly cloudy with a 20 percent chance of rain showers. Patchy fog after 3 am. Lows in the lower 50s. East winds 5 to 15 mph.

Lemmon, SD

Today
Rain Showers
68°/ 52° 20°/ 11°
90%
Monday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Tuesday
Cloudy
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Cloudy
62°17°
0%

Day: Partly cloudy with a 20 percent chance of showers. Highs in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Usta, SD

Today
Thunderstorms
68°/ 55° 20°/ 13°
80%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
70%
Tuesday
Cloudy
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Cloudy
62°17°
0%

Day: Partly cloudy with a slight chance of showers. A slight chance of thunderstorms this afternoon. Highs in the upper 60s. Northeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

Night: Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 50s. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 80 percent.

Spearfish, SD

Today
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
70%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Rain Showers
65°18°
20%

Day: Partly cloudy. A slight chance of showers this afternoon. Breezy with highs in the upper 60s. East winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 25 mph with gusts up to 35 mph this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Breezy with lows in the mid 50s. Southeast winds 15 to 25 mph, diminishing to 10 to 15 mph after midnight. Gusts up to 35 mph. Chance of rain 60 percent.

Faith, SD

Today
Thunderstorms
68°/ 55° 20°/ 13°
80%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
70%
Tuesday
Cloudy
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
68°/ 50° 20°/ 10°
0%
Saturday
Cloudy
65°18°
0%

Day: Partly cloudy with a slight chance of showers this morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 60s. Northeast winds 10 to 20 mph. Gusts up to 25 mph, increasing to 35 mph this afternoon. Chance of rain 30 percent.

Night: Cloudy. A chance of showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Breezy with lows in the mid 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent.

Terry, MT

Today
Mostly Cloudy
68°/ 52° 20°/ 11°
30%
Monday
Rain Showers
72°/ 45° 22°/ 7°
20%
Tuesday
Sunny
75°/ 48° 24°/ 9°
0%
Wed Night
Clear
45°7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%

Day: Mostly sunny this morning, then becoming mostly cloudy. Highs in the upper 60s. North wind around 5 mph, becoming east this afternoon.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. East wind 5 to 10 mph. Chance of rain 30 percent.

Gillette, WY

Today
Mostly Cloudy
72°/ 55° 22°/ 13°
50%
Monday
Cloudy
72°/ 48° 22°/ 9°
30%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Saturday
Rain Showers
65°18°
20%

Day: Becoming mostly cloudy. Highs in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 50s. Southeast winds 10 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent.

Sturgis, SD

Today
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°/ 52° 20°/ 11°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
65°18°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Highs in the mid 60s. North winds 5 to 10 mph with gusts up to 20 mph, becoming east 10 to 15 mph with gusts up to 35 mph this afternoon. Chance of rain 20 percent.

Night: Cloudy with showers likely with a slight chance of thunderstorms. Lows in the mid 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

Lead, SD

Today
Rain Showers
65°/ 48° 18°/ 9°
70%
Monday
Thunderstorms
68°/ 45° 20°/ 7°
70%
Tuesday
Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 42° 20°/ 6°
0%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Rain Showers
60°16°
20%

Day: Mostly cloudy. A slight chance of rain showers this afternoon. Highs in the mid 60s. Southeast winds 5 to 10 mph. Gusts up to 25 mph this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 40s. South winds 5 to 10 mph with gusts up to 30 mph. Chance of rain 70 percent.

Ellsworth AFB, SD

Today
Thunderstorms
68°/ 55° 20°/ 13°
80%
Monday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
65°18°
0%

Day: Mostly cloudy. A slight chance of showers this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 60s. Northeast winds 10 to 20 mph. Gusts up to 30 mph this afternoon. Chance of rain 40 percent.

Night: Cloudy. Showers likely with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 80 percent.

Wibaux, MT

Today
Mostly Cloudy
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
68°/ 48° 20°/ 9°
40%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wed Night
Clear
45°7°
0%
Thu Night
Clear
45°7°
0%
Fri-Fri Night
Cloudy
68°20°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Sunny this morning, then becoming mostly cloudy. Highs in the mid 60s. North wind around 5 mph, becoming east this afternoon.

Night: Showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Southeast wind 10 to 15 mph. Chance of rain 70 percent.

Lame Deer, MT

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

Day: Partly sunny. A 20 percent chance of rain showers early in the afternoon. Highs in the lower 70s. East winds 5 to 15 mph.

Night: Mostly cloudy. A 20 percent chance of rain showers in the late evening and overnight. Patchy fog after 3 am. Lows in the upper 40s. Northeast winds 5 to 10 mph.

Names listed above may include county names.

Trending Headlines

Trending Entertainment Headlines

Gergen Reservoir Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Gergen Reservoir Quick Facts

National Two Day Weather Forecast


E-mail the Gergen Reservoir Weather Forecast

Voice your opinion or tell us about page issues...