Franklin Grove, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Franklin Grove, IL in one place.
Mostly cloudy, with a high near 79. South wind 0 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Franklin Grove, 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: Aug 28, 2026 7:16 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Franklin Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:16 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Franklin Grove
Monday looks like the warmest upcoming period in Franklin Grove at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday Night at about 10 to 15 mph SSE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:16 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 1am and 5am. Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly cloudy, with a low around 70.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 74.
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 70.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Cloudy
|
79°F |
0 to 10 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Slight Chance Rain Showers
|
68°F |
10 to 15 mph
SSE
|
|
Sunday
Aug 30
|
Mostly Sunny
|
87°F |
10 to 15 mph
SSW
|
|
Sunday Night
Aug 30
|
Mostly Cloudy
|
70°F |
10 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
90°F |
10 mph
SSW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
74°F |
10 mph
SSW
|
|
Tuesday
Sep 1
|
Slight Chance Showers And Thunderstorms
|
90°F |
5 mph
SSW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
SSW
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
S
|
|
Thursday
Sep 3
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
5 mph
S
|
|
Thursday Night
Sep 3
|
Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Franklin Grove.