Franklin County, ID Weather Forecast
County weather hub
Isolated Rain Showers
Compare major city weather across Franklin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Isolated rain showers. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. North wind around 18 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Franklin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Franklin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 4:22 AM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Franklin County
Thursday looks like the warmest upcoming period in Franklin County at 80 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Overnight at about 18 mph N.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 4:22 AM MDT
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KMTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Isolated rain showers before 3pm. Mostly sunny, with a high near 78. North northwest wind 8 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Mostly clear. Low around 66, with temperatures rising to around 68 overnight. North wind 9 to 13 mph.
Sunny, with a high near 80. East wind 5 to 10 mph.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 67. East southeast wind around 8 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Mostly sunny, with a high near 79.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Mostly sunny, with a high near 79.
A slight chance of rain. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Isolated Rain Showers
|
67°F |
18 mph
N
|
|
Wednesday
Jul 15
|
Isolated Rain Showers
|
78°F |
8 to 16 mph
NNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
66°F |
9 to 13 mph
N
|
|
Thursday
Jul 16
|
Sunny
|
80°F |
5 to 10 mph
E
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
8 mph
ESE
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
80°F |
8 mph
SE
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
66°F |
6 to 9 mph
ENE
|
|
Saturday
Jul 18
|
Mostly Sunny
|
79°F |
7 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Partly Cloudy
|
66°F |
5 to 8 mph
N
|
|
Sunday
Jul 19
|
Mostly Sunny
|
79°F |
3 to 9 mph
NNW
|
|
Sunday Night
Jul 19
|
Slight Chance Light Rain
|
66°F |
7 to 12 mph
NNE
|
|
Monday
Jul 20
|
Partly Sunny then Chance Showers And Thunderstorms
|
77°F |
7 mph
SE
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms then Chance Light Rain
|
64°F |
6 to 9 mph
N
|
|
Tuesday
Jul 21
|
Chance Light Rain then Chance Showers And Thunderstorms
|
73°F |
3 to 7 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Franklin County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Franklin County.
Largest mapped city population in this region: 5,557.
