Sumner, IL Weather Forecast

Local 7-day forecast

84°

Chance Showers And Thunderstorms

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

Tuesday, April 14, 2026

Wind: 14 to 18 mph SSW

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 84.

Local 7-day forecast

Local Weather Overview

This forecast page for Sumner, 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 10, 2026 1:39 AM CDT.

The active forecast window currently covers Apr 14 to Apr 16, 2026 for Sumner, IL.

Page Snapshot

Page focus: city weather
Forecast window: Apr 14 to Apr 16, 2026
Latest sync: Apr 10, 2026 1:39 AM CDT
Forecast office: ILX
Source: NOAA / NWS

Next High

84°F

Tuesday

Next Low

67°F

Tuesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

15 to 20 mph

Wednesday

Daily Outlook

Today

Apr 14

Chance Showers And Thunderstorms

84 °F

/ 67°F

Wind 14 to 18 mph

Wed

Apr 15

Chance Showers And Thunderstorms

82 °F

/ 60°F

Wind 15 to 20 mph

Thu

Apr 16

Chance Showers And Thunderstorms

79 °F

Wind 12 mph

This Week in Sumner

Tuesday looks like the warmest upcoming period in Sumner at 84 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.

The strongest winds are forecast for Wednesday at about 15 to 20 mph SSW.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated: Apr 10, 2026 1:39 AM CDT
Coverage: 3 days
Time zone: America/Chicago
Forecast office: ILX
Radar station: KVWX

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

Open NOAA source

Extended Forecast

Tuesday Night

Apr 14

67°F

Chance Showers And Thunderstorms

15 mph SSW

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Wednesday

Apr 15

82°F

Chance Showers And Thunderstorms

15 to 20 mph SSW

A chance of showers and thunderstorms. Mostly cloudy, with a high near 82.

Wednesday Night

Apr 15

60°F

Chance Showers And Thunderstorms

10 to 15 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

Thursday

Apr 16

79°F

Chance Showers And Thunderstorms

12 mph SW

A chance of showers and thunderstorms. Partly sunny, with a high near 79.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Tuesday Apr 14	Chance Showers And Thunderstorms	84°F	14 to 18 mph SSW	A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night Apr 14	Chance Showers And Thunderstorms	67°F	15 mph SSW	A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low...
Wednesday Apr 15	Chance Showers And Thunderstorms	82°F	15 to 20 mph SSW	A chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Wednesday Night Apr 15	Chance Showers And Thunderstorms	60°F	10 to 15 mph SW	A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday Apr 16	Chance Showers And Thunderstorms	79°F	12 mph SW	A chance of showers and thunderstorms. Partly sunny, with a high near 79.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Sumner.

Region Links

Lawrence County weather

County forecast page

Illinois weather

Statewide weather overview

United States weather

National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.