Pleasant Plains, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Pleasant Plains, IL in one place.
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. South wind 8 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Pleasant Plains, 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 4:07 PM CDT.
The active forecast window currently covers Apr 17 to Apr 22, 2026 for Pleasant Plains, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 4:07 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Pleasant Plains
Friday looks like the warmest upcoming period in Pleasant Plains at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 8 to 20 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 4:07 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 10pm, then showers and thunderstorms. Mostly cloudy. Low around 45, with temperatures rising to around 51 overnight. Southwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers. Mostly sunny, with a high near 55. West northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers before 7pm, then patchy frost. Mostly clear, with a low around 36. West northwest wind 9 to 17 mph, with gusts as high as 26 mph. New rainfall amounts less than a tenth of an inch possible.
Patchy frost before 8am. Sunny, with a high near 61. West northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Patchy frost after 3am. Mostly clear, with a low around 38.
Patchy frost before 8am. Sunny, with a high near 69.
Mostly clear, with a low around 52.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 78.
A slight chance of rain showers after 1am. Mostly clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
8 to 20 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
45°F |
15 to 18 mph
SW
|
|
Saturday
Apr 18
|
Chance Rain Showers
|
55°F |
18 mph
WNW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Patchy Frost
|
36°F |
9 to 17 mph
WNW
|
|
Sunday
Apr 19
|
Patchy Frost then Sunny
|
61°F |
9 to 16 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear then Patchy Frost
|
38°F |
6 to 12 mph
NE
|
|
Monday
Apr 20
|
Patchy Frost then Sunny
|
69°F |
6 to 12 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
52°F |
10 to 14 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
77°F |
14 to 18 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
55°F |
10 to 14 mph
SW
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
78°F |
12 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear then Slight Chance Rain Showers
|
54°F |
10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pleasant Plains.