Cassia County, ID Weather Forecast
County weather hub
Partly Cloudy
Compare major city weather across Cassia County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly cloudy. Low around 65, with temperatures rising to around 69 overnight. South southeast wind around 3 mph.
County Weather Overview
This county weather page brings together forecast coverage for Cassia 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 Cassia County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 7:11 AM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Cassia County
Thursday looks like the warmest upcoming period in Cassia County at 94 degrees F.
Overnight is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 10 mph ENE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 7:11 AM MDT
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KSFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Isolated showers and thunderstorms between 2pm and 3pm, then scattered showers and thunderstorms between 3pm and 4pm, then isolated showers and thunderstorms between 4pm and 5pm. Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. East northeast wind 2 to 10 mph. Chance of precipitation is 30%.
Mostly clear. Low around 67, with temperatures rising to around 70 overnight. South southeast wind 3 to 9 mph.
Mostly sunny, with a high near 94. Southeast wind 3 to 7 mph.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 68. West southwest wind around 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Mostly sunny, with a high near 92.
A slight chance of rain. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Chance of precipitation is 50%.
A chance of showers and thunderstorms before midnight, then a chance of rain. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A slight chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Partly Cloudy
|
65°F |
3 mph
SSE
|
|
Wednesday
Jul 15
|
Mostly Sunny then Isolated Showers And Thunderstorms
|
90°F |
2 to 10 mph
ENE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
67°F |
3 to 9 mph
SSE
|
|
Thursday
Jul 16
|
Mostly Sunny
|
94°F |
3 to 7 mph
SE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
68°F |
8 mph
WSW
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
9 mph
S
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
68°F |
8 mph
SSW
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
3 to 9 mph
SSW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
5 to 9 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
92°F |
2 to 10 mph
WNW
|
|
Sunday Night
Jul 19
|
Slight Chance Light Rain
|
68°F |
5 to 9 mph
NW
|
|
Monday
Jul 20
|
Partly Sunny then Chance Showers And Thunderstorms
|
91°F |
3 to 8 mph
SSE
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms then Chance Light Rain
|
66°F |
5 to 8 mph
SSW
|
|
Tuesday
Jul 21
|
Slight Chance Light Rain then Chance Showers And Thunderstorms
|
87°F |
3 to 8 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Cassia County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Cassia County.
Largest mapped city population in this region: 10,582.