Valley County, MT Weather Forecast
County weather hub
Rain Showers Likely
Compare major city weather across Valley County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain showers likely. Cloudy, with a low around 40. North northwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
County Weather Overview
This county weather page brings together forecast coverage for Valley County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Valley County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 17 to May 23, 2026
- Latest sync
- May 17, 2026 5:04 AM MDT
- Forecast office
- GGW
- Source
- NOAA / NWS
Daily Outlook
This Week in Valley County
Saturday looks like the warmest upcoming period in Valley County at 75 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Overnight at about 16 to 22 mph NNW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 17, 2026 5:04 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- GGW
- Radar station
- KGGW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely. Mostly cloudy, with a high near 50. North northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 32. North northwest wind 12 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
A slight chance of rain showers between 7am and noon. Cloudy, with a high near 47. North wind around 13 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 30. Northeast wind 5 to 13 mph.
Mostly sunny, with a high near 59. Southeast wind around 5 mph.
Partly cloudy, with a low around 37. Southeast wind 8 to 12 mph.
A slight chance of rain showers after noon. Partly sunny, with a high near 67. Southeast wind around 10 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 39. North northeast wind 6 to 13 mph.
Mostly sunny, with a high near 68. North northwest wind 5 to 8 mph.
Partly cloudy, with a low around 43. East northeast wind around 8 mph.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
A slight chance of rain showers. Partly cloudy, with a low around 44.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 17
|
Rain Showers Likely
|
40°F |
16 to 22 mph
NNW
|
|
Sunday
May 17
|
Rain Showers Likely
|
50°F |
14 to 20 mph
NNW
|
|
Sunday Night
May 17
|
Chance Rain Showers
|
32°F |
12 to 18 mph
NNW
|
|
Monday
May 18
|
Slight Chance Rain Showers then Cloudy
|
47°F |
13 mph
N
|
|
Monday Night
May 18
|
Mostly Cloudy
|
30°F |
5 to 13 mph
NE
|
|
Tuesday
May 19
|
Mostly Sunny
|
59°F |
5 mph
SE
|
|
Tuesday Night
May 19
|
Partly Cloudy
|
37°F |
8 to 12 mph
SE
|
|
Wednesday
May 20
|
Partly Sunny then Slight Chance Rain Showers
|
67°F |
10 mph
SE
|
|
Wednesday Night
May 20
|
Mostly Cloudy
|
39°F |
6 to 13 mph
NNE
|
|
Thursday
May 21
|
Mostly Sunny
|
68°F |
5 to 8 mph
NNW
|
|
Thursday Night
May 21
|
Partly Cloudy
|
43°F |
8 mph
ENE
|
|
Friday
May 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
71°F |
7 to 10 mph
SSE
|
|
Friday Night
May 22
|
Slight Chance Rain Showers
|
44°F |
10 mph
W
|
|
Saturday
May 23
|
Mostly Sunny
|
75°F |
8 to 12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Valley County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Valley County.
