Poplar Grove, IL Weather Forecast
Local 7-day forecast
Areas Of Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Poplar Grove, IL in one place.
Areas of fog and showers and thunderstorms likely. Mostly cloudy. High near 83, with temperatures falling to around 81 in the afternoon. East southeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Poplar 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 12, 2026 12:18 AM CDT.
The active forecast window currently covers Aug 12 to Aug 18, 2026 for Poplar Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 12 to Aug 18, 2026
- Latest sync
- Aug 12, 2026 12:18 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Poplar Grove
Wednesday looks like the warmest upcoming period in Poplar Grove at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph ENE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 12, 2026 12:18 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 65. East southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 78. East wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. East northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
A chance of rain showers before 1pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 63.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 62.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 59.
Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 12
|
Areas Of Fog
|
83°F |
0 to 5 mph
ESE
|
|
Wednesday Night
Aug 12
|
Chance Rain Showers
|
65°F |
0 to 5 mph
ESE
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
78°F |
0 to 5 mph
E
|
|
Thursday Night
Aug 13
|
Showers And Thunderstorms Likely
|
62°F |
5 mph
ENE
|
|
Friday
Aug 14
|
Chance Rain Showers
|
77°F |
5 to 10 mph
ENE
|
|
Friday Night
Aug 14
|
Showers And Thunderstorms Likely
|
63°F |
5 to 10 mph
E
|
|
Saturday
Aug 15
|
Showers And Thunderstorms Likely
|
81°F |
10 mph
SE
|
|
Saturday Night
Aug 15
|
Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
SSW
|
|
Sunday
Aug 16
|
Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
WNW
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
62°F |
0 to 10 mph
NNW
|
|
Monday
Aug 17
|
Mostly Sunny
|
78°F |
0 to 5 mph
N
|
|
Monday Night
Aug 17
|
Partly Cloudy
|
59°F |
0 to 5 mph
N
|
|
Tuesday
Aug 18
|
Mostly Sunny
|
79°F |
0 to 5 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Poplar Grove.