Forreston, IL Weather Forecast

Local 7-day forecast

85°
F

Sunny

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

Saturday, May 30, 2026
Wind: 0 to 15 mph ENE
Saturday

Sunny, with a high near 85.

Local 7-day forecast

Local Weather Overview

This forecast page for Forreston, 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: May 28, 2026 12:56 AM CDT.

The active forecast window currently covers May 30 to Jun 3, 2026 for Forreston, IL.

Page Snapshot

Page focus
city weather
Forecast window
May 30 to Jun 3, 2026
Latest sync
May 28, 2026 12:56 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
85°F
Saturday
Next Low
55°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
0 to 15 mph
Saturday

Daily Outlook

Today
May 30
Sunny
85 °F
/ 55°F
Wind 0 to 15 mph
Sun
May 31
Mostly Sunny
83 °F
/ 56°F
Wind 5 mph
Mon
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Sunny
83 °F
/ 54°F
Wind 0 to 10 mph
Tue
Jun 2
Sunny
81 °F
/ 53°F
Wind 5 to 10 mph
Wed
Jun 3
Sunny
84 °F
Wind 5 to 10 mph

This Week in Forreston

Saturday looks like the warmest upcoming period in Forreston at 85 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.

The strongest winds are forecast for Saturday at about 0 to 15 mph ENE.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
May 28, 2026 12:56 AM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KDVN

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

Open NOAA source

Extended Forecast

Saturday Night
May 30
55°F
Partly Cloudy
5 to 15 mph E

Partly cloudy, with a low around 55.

Sunday
May 31
83°F
Mostly Sunny
5 mph ESE

Mostly sunny, with a high near 83.

Sunday Night
May 31
56°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
0 to 5 mph E

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.

Monday
Jun 1
83°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
0 to 10 mph NE

A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 83.

Monday Night
Jun 1
54°F
Mostly Clear
5 to 15 mph ENE

Mostly clear, with a low around 54.

Tuesday
Jun 2
81°F
Sunny
5 to 10 mph NE

Sunny, with a high near 81.

Tuesday Night
Jun 2
53°F
Mostly Clear
5 to 10 mph E

Mostly clear, with a low around 53.

Wednesday
Jun 3
84°F
Sunny
5 to 10 mph SSW

Sunny, with a high near 84.

Detailed Forecast

Period Conditions Temp Wind
Saturday
May 30
Sunny
85°F
0 to 15 mph
ENE
Saturday Night
May 30
Partly Cloudy
55°F
5 to 15 mph
E
Sunday
May 31
Mostly Sunny
83°F
5 mph
ESE
Sunday Night
May 31
Partly Cloudy then Slight Chance Showers And Thunderstorms
56°F
0 to 5 mph
E
Monday
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Sunny
83°F
0 to 10 mph
NE
Monday Night
Jun 1
Mostly Clear
54°F
5 to 15 mph
ENE
Tuesday
Jun 2
Sunny
81°F
5 to 10 mph
NE
Tuesday Night
Jun 2
Mostly Clear
53°F
5 to 10 mph
E
Wednesday
Jun 3
Sunny
84°F
5 to 10 mph
SSW
Forreston  IL Sign 02
Forreston IL Sign 02 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.