Stillwater County, MT Weather Forecast
County weather hub
Sunny
Compare major city weather across Stillwater County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 98. Northeast wind 3 to 8 mph.
County Weather Overview
This county weather page brings together forecast coverage for Stillwater 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 Stillwater County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 13, 2026 9:34 PM MDT
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Stillwater County
Tuesday looks like the warmest upcoming period in Stillwater County at 98 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Thursday Night at about 2 to 10 mph ESE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 9:34 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- BYZ
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm. Mostly cloudy. Low around 63, with temperatures rising to around 66 overnight. West northwest wind 5 to 8 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely after noon. Partly sunny. High near 91, with temperatures falling to around 86 in the afternoon. North wind around 6 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before midnight. Mostly cloudy. Low around 59, with temperatures rising to around 61 overnight. Northwest wind 2 to 7 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms after noon. Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. North wind 2 to 8 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. East southeast wind 2 to 10 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms after noon. Mostly sunny. High near 94, with temperatures falling to around 92 in the afternoon. East northeast wind 2 to 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before midnight. Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. South southeast wind 3 to 10 mph. Chance of precipitation is 30%.
Sunny. High near 95, with temperatures falling to around 93 in the afternoon. North wind 2 to 6 mph.
A chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. Northwest wind 3 to 9 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. North northwest wind 2 to 7 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before midnight. Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. East southeast wind 2 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after noon. Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. North northeast wind 2 to 9 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
98°F |
3 to 8 mph
NE
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
63°F |
5 to 8 mph
WNW
|
|
Wednesday
Jul 15
|
Partly Sunny then Showers And Thunderstorms Likely
|
91°F |
6 mph
N
|
|
Wednesday Night
Jul 15
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
59°F |
2 to 7 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
2 to 8 mph
N
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
60°F |
2 to 10 mph
ESE
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
2 to 8 mph
ENE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
3 to 10 mph
SSE
|
|
Saturday
Jul 18
|
Sunny
|
95°F |
2 to 6 mph
N
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
61°F |
3 to 9 mph
NW
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
2 to 7 mph
NNW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
60°F |
2 to 9 mph
ESE
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
2 to 9 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Stillwater County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Stillwater County.
