Gallatin County, MT Weather Forecast

County weather hub

88°
F

Mostly Sunny then Chance Showers And Thunderstorms

Compare major city weather across Gallatin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Tuesday, July 14, 2026
Wind: 1 to 6 mph NNE
Tuesday

A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. North northeast wind 1 to 6 mph. Chance of precipitation is 30%.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Gallatin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Gallatin County.

Page Snapshot

Page focus
county weather
Forecast window
Jul 14 to Jul 19, 2026
Latest sync
Jul 13, 2026 12:38 PM MDT
Forecast office
TFX
Source
NOAA / NWS
Next High
88°F
Tuesday
Next Low
61°F
Tuesday Night
Rain Outlook
12
Periods mentioning precipitation
Windiest
7 mph
Thursday Night

Daily Outlook

Today
Jul 14
Mostly Sunny then Chance Showers And Thunderstorms
88 °F
/ 61°F
Wind 1 to 6 mph
Wed
Jul 15
Showers And Thunderstorms
83 °F
/ 58°F
Wind 1 to 5 mph
Thu
Jul 16
Mostly Sunny then Chance Showers And Thunderstorms
85 °F
/ 59°F
Wind 1 to 6 mph
Fri
Jul 17
Mostly Sunny then Slight Chance Showers And Thunderstorms
88 °F
/ 59°F
Wind 3 to 7 mph
Sat
Jul 18
Mostly Sunny then Slight Chance Showers And Thunderstorms
85 °F
/ 60°F
Wind 2 to 6 mph
Sun
Jul 19
Mostly Sunny then Slight Chance Showers And Thunderstorms
84 °F
/ 59°F
Wind 2 to 7 mph

This Week in Gallatin County

Tuesday looks like the warmest upcoming period in Gallatin County at 88 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Thursday Night at about 7 mph SE.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
Jul 13, 2026 12:38 PM MDT
Coverage
7 days
Time zone
America/Denver
Forecast office
TFX
Radar station
KBLX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
Jul 14
61°F
Chance Showers And Thunderstorms then Mostly Cloudy
1 to 5 mph NW

A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 61. Northwest wind 1 to 5 mph. Chance of precipitation is 50%.

Wednesday
Jul 15
83°F
Showers And Thunderstorms
1 to 5 mph NW

A slight chance of rain showers before noon, then showers and thunderstorms. Mostly cloudy, with a high near 83. Northwest wind 1 to 5 mph. Chance of precipitation is 80%.

Wednesday Night
Jul 15
58°F
Showers And Thunderstorms Likely
5 mph SE

Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Southeast wind around 5 mph. Chance of precipitation is 70%.

Thursday
Jul 16
85°F
Mostly Sunny then Chance Showers And Thunderstorms
1 to 6 mph NNE

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. North northeast wind 1 to 6 mph.

Thursday Night
Jul 16
59°F
Chance Showers And Thunderstorms then Partly Cloudy
7 mph SE

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Southeast wind around 7 mph.

Friday
Jul 17
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
3 to 7 mph WNW

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

Friday Night
Jul 17
59°F
Chance Showers And Thunderstorms then Partly Cloudy
7 mph SW

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

Saturday
Jul 18
85°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
2 to 6 mph NW

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.

Saturday Night
Jul 18
60°F
Chance Rain Showers then Partly Cloudy
6 mph S

A chance of rain showers before midnight. Partly cloudy, with a low around 60.

Sunday
Jul 19
84°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
2 to 7 mph NNW

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

Sunday Night
Jul 19
59°F
Chance Showers And Thunderstorms then Partly Cloudy
3 to 7 mph ENE

A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Jul 14
Mostly Sunny then Chance Showers And Thunderstorms
88°F
1 to 6 mph
NNE
Tuesday Night
Jul 14
Chance Showers And Thunderstorms then Mostly Cloudy
61°F
1 to 5 mph
NW
Wednesday
Jul 15
Showers And Thunderstorms
83°F
1 to 5 mph
NW
Wednesday Night
Jul 15
Showers And Thunderstorms Likely
58°F
5 mph
SE
Thursday
Jul 16
Mostly Sunny then Chance Showers And Thunderstorms
85°F
1 to 6 mph
NNE
Thursday Night
Jul 16
Chance Showers And Thunderstorms then Partly Cloudy
59°F
7 mph
SE
Friday
Jul 17
Mostly Sunny then Slight Chance Showers And Thunderstorms
88°F
3 to 7 mph
WNW
Friday Night
Jul 17
Chance Showers And Thunderstorms then Partly Cloudy
59°F
7 mph
SW
Saturday
Jul 18
Mostly Sunny then Slight Chance Showers And Thunderstorms
85°F
2 to 6 mph
NW
Saturday Night
Jul 18
Chance Rain Showers then Partly Cloudy
60°F
6 mph
S
Sunday
Jul 19
Mostly Sunny then Slight Chance Showers And Thunderstorms
84°F
2 to 7 mph
NNW
Sunday Night
Jul 19
Chance Showers And Thunderstorms then Partly Cloudy
59°F
3 to 7 mph
ENE

Major City Forecasts

Live forecast snapshots for major cities across Gallatin County.

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Gallatin County.

Largest mapped city population in this region: 10,390.

Looking ENE - Gallatin County Courthouse - Bozeman Montana - 2013-070-09
Looking ENE - Gallatin County Courthouse - Bozeman Montana - 2013-070-09 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.