Plano, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Plano, IL in one place.
A chance of rain showers before 9am. Partly sunny, with a high near 74. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Plano, 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: May 15, 2026 12:04 AM CDT.
The active forecast window currently covers May 15 to May 21, 2026 for Plano, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 15 to May 21, 2026
- Latest sync
- May 15, 2026 12:04 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Plano
Sunday looks like the warmest upcoming period in Plano at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Monday at about 15 to 25 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 15, 2026 12:04 AM 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 chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 59. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Rain showers likely before 7am. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Mostly clear, with a low around 65.
A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66.
Rain showers likely before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 84.
Showers and thunderstorms likely. Mostly cloudy, with a low around 54.
A chance of rain showers. Mostly sunny, with a high near 73.
A slight chance of rain showers before 1am. Mostly cloudy, with a low around 49.
Partly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 15
|
Chance Rain Showers then Partly Sunny
|
74°F |
10 to 15 mph
S
|
|
Friday Night
May 15
|
Partly Cloudy then Chance Showers And Thunderstorms
|
58°F |
5 to 15 mph
S
|
|
Saturday
May 16
|
Showers And Thunderstorms Likely
|
84°F |
5 to 10 mph
SSW
|
|
Saturday Night
May 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
59°F |
5 mph
S
|
|
Sunday
May 17
|
Rain Showers Likely then Mostly Sunny
|
88°F |
5 to 20 mph
SSE
|
|
Sunday Night
May 17
|
Mostly Clear
|
65°F |
15 to 20 mph
S
|
|
Monday
May 18
|
Chance Showers And Thunderstorms
|
88°F |
15 to 25 mph
S
|
|
Monday Night
May 18
|
Showers And Thunderstorms Likely
|
66°F |
20 to 25 mph
SSW
|
|
Tuesday
May 19
|
Rain Showers Likely
|
84°F |
20 to 25 mph
SW
|
|
Tuesday Night
May 19
|
Showers And Thunderstorms Likely
|
54°F |
5 to 15 mph
WSW
|
|
Wednesday
May 20
|
Chance Rain Showers
|
73°F |
10 mph
NNW
|
|
Wednesday Night
May 20
|
Slight Chance Rain Showers
|
49°F |
5 to 10 mph
NE
|
|
Thursday
May 21
|
Partly Sunny
|
72°F |
5 to 10 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plano.