Fort River Caves, AZ Weather Forecast

Local 7-day forecast

66°
F

Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Fort River Caves, AZ in one place.

Tuesday, September 15, 2026
Wind: 6 mph SE
Overnight

A slight chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind around 6 mph. Chance of precipitation is 40%.

Local 7-day forecast

Local Weather Overview

This forecast page for Fort River Caves, AZ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 4:28 AM MST.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Fort River Caves, AZ.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 15, 2026 4:28 AM MST
Forecast office
FGZ
Source
NOAA / NWS
Next High
91°F
Tuesday
Next Low
66°F
Overnight
Rain Outlook
9
Periods mentioning precipitation
Windiest
3 to 12 mph
Tuesday

Daily Outlook

Today
Sep 15
Chance Showers And Thunderstorms
91 °F
/ 66°F
Wind 3 to 12 mph
Wed
Sep 16
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
87 °F
/ 63°F
Wind 5 to 9 mph
Thu
Sep 17
Chance Showers And Thunderstorms
90 °F
/ 63°F
Wind 3 to 9 mph
Fri
Sep 18
Sunny
93 °F
/ 63°F
Wind 5 to 8 mph
Sat
Sep 19
Sunny
94 °F
/ 63°F
Wind 5 mph
Sun
Sep 20
Sunny then Slight Chance Showers And Thunderstorms
94 °F
/ 62°F
Wind 1 to 7 mph
Mon
Sep 21
Slight Chance Showers And Thunderstorms
93 °F
Wind 2 to 8 mph

This Week in Fort River Caves

Saturday looks like the warmest upcoming period in Fort River Caves at 94 degrees F.

Sunday Night is the coolest period ahead with temperatures near 62 degrees F.

The strongest winds are forecast for Tuesday at about 3 to 12 mph SE.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 4:28 AM MST
Coverage
7 days
Time zone
America/Phoenix
Forecast office
FGZ
Radar station
KFSX

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

Open NOAA source

Extended Forecast

Tuesday
Sep 15
91°F
Chance Showers And Thunderstorms
3 to 12 mph SE

A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Southeast wind 3 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Tuesday Night
Sep 15
66°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 to 9 mph SE

A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind 5 to 9 mph. Chance of precipitation is 60%.

Wednesday
Sep 16
87°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
5 to 9 mph SE

Showers and thunderstorms likely before 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Southeast wind 5 to 9 mph. Chance of precipitation is 60%.

Wednesday Night
Sep 16
63°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
3 to 7 mph SE

A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Southeast wind 3 to 7 mph. Chance of precipitation is 60%.

Thursday
Sep 17
90°F
Chance Showers And Thunderstorms
3 to 9 mph SE

A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 11am and 5pm. Partly sunny, with a high near 90. Southeast wind 3 to 9 mph. Chance of precipitation is 50%.

Thursday Night
Sep 17
63°F
Mostly Clear
8 mph SE

Mostly clear, with a low around 63. Southeast wind around 8 mph.

Friday
Sep 18
93°F
Sunny
5 to 8 mph SE

Sunny, with a high near 93. Southeast wind 5 to 8 mph.

Friday Night
Sep 18
63°F
Mostly Clear
3 mph SE

Mostly clear, with a low around 63. Southeast wind around 3 mph.

Saturday
Sep 19
94°F
Sunny
5 mph SE

Sunny, with a high near 94. Southeast wind around 5 mph.

Saturday Night
Sep 19
63°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 63. Southeast wind around 5 mph.

Sunday
Sep 20
94°F
Sunny then Slight Chance Showers And Thunderstorms
1 to 7 mph SE

A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 94. Southeast wind 1 to 7 mph, with gusts as high as 16 mph.

Sunday Night
Sep 20
62°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
2 to 6 mph E

A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 62. East wind 2 to 6 mph.

Monday
Sep 21
93°F
Slight Chance Showers And Thunderstorms
2 to 8 mph SE

A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Southeast wind 2 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 15
Slight Chance Showers And Thunderstorms
66°F
6 mph
SE
Tuesday
Sep 15
Chance Showers And Thunderstorms
91°F
3 to 12 mph
SE
Tuesday Night
Sep 15
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
66°F
5 to 9 mph
SE
Wednesday
Sep 16
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
87°F
5 to 9 mph
SE
Wednesday Night
Sep 16
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
63°F
3 to 7 mph
SE
Thursday
Sep 17
Chance Showers And Thunderstorms
90°F
3 to 9 mph
SE
Thursday Night
Sep 17
Mostly Clear
63°F
8 mph
SE
Friday
Sep 18
Sunny
93°F
5 to 8 mph
SE
Friday Night
Sep 18
Mostly Clear
63°F
3 mph
SE
Saturday
Sep 19
Sunny
94°F
5 mph
SE
Saturday Night
Sep 19
Mostly Clear
63°F
5 mph
SE
Sunday
Sep 20
Sunny then Slight Chance Showers And Thunderstorms
94°F
1 to 7 mph
SE
Sunday Night
Sep 20
Slight Chance Showers And Thunderstorms then Partly Cloudy
62°F
2 to 6 mph
E
Monday
Sep 21
Slight Chance Showers And Thunderstorms
93°F
2 to 8 mph
SE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.