Prairie Grove, IL Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Prairie Grove, IL in one place.
Rain showers before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 80%.
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: Apr 16, 2026 7:27 AM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Prairie Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 7:27 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Prairie Grove
Tuesday looks like the warmest upcoming period in Prairie Grove at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 7:27 AM CDT
- Coverage
- 5 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
Mostly clear, with a low around 32.
Mostly sunny, with a high near 50.
Areas of frost after 1am. Mostly clear, with a low around 31.
Areas of frost before 9am. Sunny, with a high near 58.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 71.
A slight chance of rain showers after 1am. Mostly clear, with a low around 49.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Rain Showers
|
51°F |
15 to 20 mph
WNW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
32°F |
10 to 15 mph
WNW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
50°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear then Areas Of Frost
|
31°F |
5 to 10 mph
WNW
|
|
Monday
Apr 20
|
Areas Of Frost then Sunny
|
58°F |
5 to 10 mph
SSE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
45°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
71°F |
15 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear then Slight Chance Rain Showers
|
49°F |
10 to 15 mph
WSW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Mostly Sunny
|
68°F |
10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prairie Grove.