Rock Grove, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rock Grove, IL in one place.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Rock 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: Oct 10, 2026 8:02 AM CDT.
The active forecast window currently covers Oct 13 to Oct 16, 2026 for Rock Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 16, 2026
- Latest sync
- Oct 10, 2026 8:02 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock Grove
Tuesday looks like the warmest upcoming period in Rock Grove at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 10, 2026 8:02 AM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 51.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
A chance of rain showers before 1pm. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Mostly cloudy, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Chance Showers And Thunderstorms then Mostly Sunny
|
71°F |
10 mph
N
|
|
Tuesday Night
Oct 13
|
Slight Chance Showers And Thunderstorms
|
51°F |
5 to 10 mph
NE
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
66°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms
|
50°F |
10 to 15 mph
E
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
66°F |
15 mph
SE
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
47°F |
10 to 15 mph
W
|
|
Friday
Oct 16
|
Chance Rain Showers
|
60°F |
15 to 20 mph
W
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
40°F |
10 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock Grove.