Rock Island, IL Weather Forecast

Local 7-day forecast

91°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Rock Island, IL in one place.

Friday, July 17, 2026
Wind: 0 to 5 mph SW
Today

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 0 to 5 mph. Chance of precipitation is 40%.

Local 7-day forecast

Local Weather Overview

This forecast page for Rock Island, IL 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: Jul 17, 2026 8:21 AM CDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Rock Island, IL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 17, 2026 8:21 AM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
91°F
Today
Next Low
75°F
Tonight
Rain Outlook
6
Periods mentioning precipitation
Windiest
5 to 15 mph
Tuesday

Daily Outlook

Today
Jul 17
Chance Showers And Thunderstorms
91 °F
/ 75°F
Wind 0 to 5 mph
Sat
Jul 18
Sunny
93 °F
/ 69°F
Wind 5 to 10 mph
Sun
Jul 19
Sunny
88 °F
/ 70°F
Wind 5 mph
Mon
Jul 20
Mostly Sunny then Chance Showers And Thunderstorms
93 °F
/ 73°F
Wind 5 to 10 mph
Tue
Jul 21
Slight Chance Showers And Thunderstorms then Sunny
88 °F
/ 65°F
Wind 5 to 15 mph
Wed
Jul 22
Sunny
82 °F
/ 63°F
Wind 5 mph
Thu
Jul 23
Sunny
84 °F
/ 64°F
Wind 0 to 5 mph

This Week in Rock Island

Saturday looks like the warmest upcoming period in Rock Island at 93 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 63 degrees F.

The strongest winds are forecast for Tuesday at about 5 to 15 mph NW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 8:21 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

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

Open NOAA source

Extended Forecast

Tonight
Jul 17
75°F
Chance Showers And Thunderstorms then Mostly Clear
5 mph SW

A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Heat index values as high as 101. Southwest wind around 5 mph. Chance of precipitation is 40%.

Saturday
Jul 18
93°F
Sunny
5 to 10 mph W

Sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 102. West wind 5 to 10 mph.

Saturday Night
Jul 18
69°F
Mostly Clear
5 to 10 mph NE

Mostly clear, with a low around 69. Northeast wind 5 to 10 mph.

Sunday
Jul 19
88°F
Sunny
5 mph E

Sunny, with a high near 88.

Sunday Night
Jul 19
70°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 70.

Monday
Jul 20
93°F
Mostly Sunny then Chance Showers And Thunderstorms
5 to 10 mph S

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

Monday Night
Jul 20
73°F
Chance Showers And Thunderstorms
5 to 10 mph W

A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Tuesday
Jul 21
88°F
Slight Chance Showers And Thunderstorms then Sunny
5 to 15 mph NW

A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 88.

Tuesday Night
Jul 21
65°F
Mostly Clear
5 to 15 mph N

Mostly clear, with a low around 65.

Wednesday
Jul 22
82°F
Sunny
5 mph N

Sunny, with a high near 82.

Wednesday Night
Jul 22
63°F
Mostly Clear
0 to 5 mph E

Mostly clear, with a low around 63.

Thursday
Jul 23
84°F
Sunny
0 to 5 mph SE

Sunny, with a high near 84.

Thursday Night
Jul 23
64°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
0 to 5 mph S

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 17
Chance Showers And Thunderstorms
91°F
0 to 5 mph
SW
Tonight
Jul 17
Chance Showers And Thunderstorms then Mostly Clear
75°F
5 mph
SW
Saturday
Jul 18
Sunny
93°F
5 to 10 mph
W
Saturday Night
Jul 18
Mostly Clear
69°F
5 to 10 mph
NE
Sunday
Jul 19
Sunny
88°F
5 mph
E
Sunday Night
Jul 19
Mostly Clear
70°F
5 mph
SE
Monday
Jul 20
Mostly Sunny then Chance Showers And Thunderstorms
93°F
5 to 10 mph
S
Monday Night
Jul 20
Chance Showers And Thunderstorms
73°F
5 to 10 mph
W
Tuesday
Jul 21
Slight Chance Showers And Thunderstorms then Sunny
88°F
5 to 15 mph
NW
Tuesday Night
Jul 21
Mostly Clear
65°F
5 to 15 mph
N
Wednesday
Jul 22
Sunny
82°F
5 mph
N
Wednesday Night
Jul 22
Mostly Clear
63°F
0 to 5 mph
E
Thursday
Jul 23
Sunny
84°F
0 to 5 mph
SE
Thursday Night
Jul 23
Partly Cloudy then Slight Chance Showers And Thunderstorms
64°F
0 to 5 mph
S
Rock Island  Illinois Montage
Rock Island Illinois Montage 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.