Cobb, MT Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cobb, MT in one place.
Sunny, with a high near 73. North wind around 7 mph.
Local Weather Overview
This forecast page for Cobb, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 16, 2026 3:56 PM MDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Cobb, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 3:56 PM MDT
- Forecast office
- MSO
- Source
- NOAA / NWS
Daily Outlook
This Week in Cobb
Thursday looks like the warmest upcoming period in Cobb at 78 degrees F.
Tonight is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday at about 1 to 14 mph ESE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 3:56 PM MDT
- Coverage
- 8 days
- Time zone
- America/Denver
- Forecast office
- MSO
- Radar station
- KMSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog after 3am. Mostly clear, with a low around 44. West southwest wind 1 to 9 mph.
Patchy fog before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. East southeast wind 1 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Showers and thunderstorms likely before 9pm, then a chance of rain between 9pm and 10pm. Mostly cloudy, with a low around 47. South southwest wind 2 to 12 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely after noon. Partly sunny, with a high near 72. West wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms before midnight, then rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain likely before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain before midnight. Mostly clear, with a low around 44.
Sunny, with a high near 75.
Clear, with a low around 45.
Sunny, with a high near 77.
Mostly clear, with a low around 45.
Sunny, with a high near 75.
Mostly clear, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Sep 16
|
Sunny
|
73°F |
7 mph
N
|
|
Tonight
Sep 16
|
Mostly Clear then Patchy Fog
|
44°F |
1 to 9 mph
WSW
|
|
Thursday
Sep 17
|
Patchy Fog then Slight Chance Showers And Thunderstorms
|
78°F |
1 to 14 mph
ESE
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
47°F |
2 to 12 mph
SSW
|
|
Friday
Sep 18
|
Partly Sunny then Showers And Thunderstorms Likely
|
72°F |
1 to 7 mph
W
|
|
Friday Night
Sep 18
|
Showers And Thunderstorms then Light Rain Likely
|
46°F |
1 to 5 mph
SW
|
|
Saturday
Sep 19
|
Light Rain Likely then Chance Showers And Thunderstorms
|
70°F |
3 mph
SSE
|
|
Saturday Night
Sep 19
|
Slight Chance Light Rain then Mostly Clear
|
44°F |
5 mph
SW
|
|
Sunday
Sep 20
|
Sunny
|
75°F |
3 mph
S
|
|
Sunday Night
Sep 20
|
Clear
|
45°F |
3 mph
WSW
|
|
Monday
Sep 21
|
Sunny
|
77°F |
5 mph
SW
|
|
Monday Night
Sep 21
|
Mostly Clear
|
45°F |
2 to 6 mph
WSW
|
|
Tuesday
Sep 22
|
Sunny
|
75°F |
3 mph
SW
|
|
Tuesday Night
Sep 22
|
Mostly Clear
|
44°F |
3 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cobb.