Round Grove, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Round Grove, IL in one place.
A chance of rain showers before 9am. Mostly cloudy, with a high near 66. East wind around 5 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Round 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: Sep 24, 2026 11:12 AM CDT.
The active forecast window currently covers Sep 25 to Sep 30, 2026 for Round Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 25 to Sep 30, 2026
- Latest sync
- Sep 24, 2026 11:12 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Round Grove
Tuesday looks like the warmest upcoming period in Round Grove at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday Night at about 10 to 15 mph SE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 24, 2026 11:12 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 54. East wind around 5 mph.
Mostly cloudy, with a high near 65.
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 55.
A slight chance of rain showers before 7am. Partly sunny, with a high near 66.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 56.
A chance of rain showers after 7am. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Rain showers likely before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 25
|
Chance Rain Showers then Mostly Cloudy
|
66°F |
5 mph
E
|
|
Friday Night
Sep 25
|
Mostly Cloudy
|
54°F |
5 mph
E
|
|
Saturday
Sep 26
|
Mostly Cloudy
|
65°F |
5 mph
E
|
|
Saturday Night
Sep 26
|
Slight Chance Rain Showers
|
55°F |
5 mph
E
|
|
Sunday
Sep 27
|
Slight Chance Rain Showers then Partly Sunny
|
66°F |
5 mph
SE
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
52°F |
0 to 5 mph
E
|
|
Monday
Sep 28
|
Mostly Sunny
|
68°F |
0 to 5 mph
SE
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
56°F |
5 mph
SE
|
|
Tuesday
Sep 29
|
Chance Rain Showers
|
71°F |
5 to 10 mph
SE
|
|
Tuesday Night
Sep 29
|
Rain Showers Likely
|
61°F |
10 to 15 mph
SE
|
|
Wednesday
Sep 30
|
Showers And Thunderstorms Likely
|
68°F |
15 mph
S
|
|
Wednesday Night
Sep 30
|
Chance Rain Showers
|
57°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Round Grove.