Forreston, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Forreston, IL in one place.
Sunny, with a high near 64. North northeast wind around 5 mph.
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 11, 2026 7:42 PM CDT.
The active forecast window currently covers May 11 to May 17, 2026 for Forreston, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 11 to May 17, 2026
- Latest sync
- May 11, 2026 7:42 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Forreston
Saturday looks like the warmest upcoming period in Forreston at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 25 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 11, 2026 7:42 PM CDT
- Coverage
- 7 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 sourceExtended Forecast
Partly cloudy, with a low around 44. East southeast wind 5 to 15 mph, with gusts as high as 25 mph.
A chance of rain after 10am. Mostly cloudy, with a high near 77. South southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 7pm. Mostly clear, with a low around 49. West northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 65. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 40.
Sunny, with a high near 69.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 49.
A chance of rain showers. Partly sunny, with a high near 78.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms. Sunny, with a high near 84.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 56.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 11
|
Sunny
|
64°F |
5 mph
NNE
|
|
Tonight
May 11
|
Partly Cloudy
|
44°F |
5 to 15 mph
ESE
|
|
Tuesday
May 12
|
Chance Rain
|
77°F |
15 to 25 mph
SSW
|
|
Tuesday Night
May 12
|
Chance Rain then Mostly Clear
|
49°F |
10 to 20 mph
WNW
|
|
Wednesday
May 13
|
Mostly Sunny
|
65°F |
15 to 20 mph
NW
|
|
Wednesday Night
May 13
|
Mostly Clear
|
40°F |
0 to 15 mph
N
|
|
Thursday
May 14
|
Sunny
|
69°F |
0 to 5 mph
E
|
|
Thursday Night
May 14
|
Chance Showers And Thunderstorms
|
49°F |
10 to 15 mph
SSE
|
|
Friday
May 15
|
Chance Rain Showers
|
78°F |
15 to 20 mph
S
|
|
Friday Night
May 15
|
Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
SW
|
|
Saturday
May 16
|
Slight Chance Showers And Thunderstorms
|
84°F |
5 to 15 mph
WSW
|
|
Saturday Night
May 16
|
Slight Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
SSE
|
|
Sunday
May 17
|
Chance Showers And Thunderstorms
|
84°F |
10 to 20 mph
S
|
|
Sunday Night
May 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
61°F |
10 to 15 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Forreston.
