Prairie Grove, IL Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Prairie Grove, IL in one place.
Rain showers likely after 11am. Mostly cloudy. High near 52, with temperatures falling to around 49 in the afternoon. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Prairie 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 15, 2026 10:39 PM CDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Prairie Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 10:39 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Prairie Grove
Thursday looks like the warmest upcoming period in Prairie Grove at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 10:39 PM CDT
- Coverage
- 7 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 before 7pm, then areas of frost. Mostly clear. Low around 32, with temperatures rising to around 35 overnight. North northwest wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost before 9am. Sunny, with a high near 56. West wind 0 to 10 mph.
Clear, with a low around 38. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 63.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 45.
Sunny, with a high near 70.
Mostly clear, with a low around 49.
Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Rain Showers Likely
|
52°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Slight Chance Rain Showers then Areas Of Frost
|
32°F |
5 to 20 mph
NNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
56°F |
0 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
5 to 10 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
10 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
5 to 10 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
66°F |
0 to 5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
70°F |
0 to 5 mph
ESE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
49°F |
0 to 5 mph
SSE
|
|
Thursday
Oct 22
|
Mostly Sunny
|
71°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prairie Grove.