Nashville, IL Weather Forecast

Local 7-day forecast

84°
F

Mostly Sunny then Chance Showers And Thunderstorms

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

Friday, April 17, 2026
Wind: 5 to 14 mph S
Friday

A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

Local 7-day forecast

Local Weather Overview

This forecast page for Nashville, 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: Apr 15, 2026 5:47 AM CDT.

The active forecast window currently covers Apr 17 to Apr 21, 2026 for Nashville, IL.

Page Snapshot

Page focus
city weather
Forecast window
Apr 17 to Apr 21, 2026
Latest sync
Apr 15, 2026 5:47 AM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
84°F
Friday
Next Low
57°F
Friday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
14 to 18 mph
Saturday

Daily Outlook

Today
Apr 17
Mostly Sunny then Chance Showers And Thunderstorms
84 °F
/ 57°F
Wind 5 to 14 mph
Sat
Apr 18
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
70 °F
/ 40°F
Wind 14 to 18 mph
Sun
Apr 19
Slight Chance Rain Showers then Sunny
62 °F
/ 39°F
Wind 9 to 14 mph
Mon
Apr 20
Sunny
68 °F
/ 48°F
Wind 6 to 9 mph
Tue
Apr 21
Mostly Sunny
74 °F
Wind 8 to 14 mph

This Week in Nashville

Friday looks like the warmest upcoming period in Nashville at 84 degrees F.

Sunday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Saturday at about 14 to 18 mph W.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 5:47 AM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
LSX
Radar station
KLSX

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

Open NOAA source

Extended Forecast

Friday Night
Apr 17
57°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
14 mph S

A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

Saturday
Apr 18
70°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
14 to 18 mph W

Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 70. Chance of precipitation is 70%.

Saturday Night
Apr 18
40°F
Chance Rain Showers
9 to 15 mph NW

A chance of rain showers. Partly cloudy, with a low around 40. Chance of precipitation is 50%.

Sunday
Apr 19
62°F
Slight Chance Rain Showers then Sunny
9 to 14 mph W

A slight chance of rain showers before 7am. Sunny, with a high near 62. Chance of precipitation is 20%.

Sunday Night
Apr 19
39°F
Clear
5 to 9 mph N

Clear, with a low around 39.

Monday
Apr 20
68°F
Sunny
6 to 9 mph S

Sunny, with a high near 68.

Monday Night
Apr 20
48°F
Mostly Clear
8 mph S

Mostly clear, with a low around 48.

Tuesday
Apr 21
74°F
Mostly Sunny
8 to 14 mph SW

Mostly sunny, with a high near 74.

Detailed Forecast

Period Conditions Temp Wind
Friday
Apr 17
Mostly Sunny then Chance Showers And Thunderstorms
84°F
5 to 14 mph
S
Friday Night
Apr 17
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
57°F
14 mph
S
Saturday
Apr 18
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
70°F
14 to 18 mph
W
Saturday Night
Apr 18
Chance Rain Showers
40°F
9 to 15 mph
NW
Sunday
Apr 19
Slight Chance Rain Showers then Sunny
62°F
9 to 14 mph
W
Sunday Night
Apr 19
Clear
39°F
5 to 9 mph
N
Monday
Apr 20
Sunny
68°F
6 to 9 mph
S
Monday Night
Apr 20
Mostly Clear
48°F
8 mph
S
Tuesday
Apr 21
Mostly Sunny
74°F
8 to 14 mph
SW
Washington County Courthouse in Nashville
Washington County Courthouse in Nashville 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.