Rantoul, IL Weather Forecast

Local 7-day forecast

82°
F

Mostly Sunny then Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Rantoul, IL in one place.

Tuesday, May 26, 2026
Wind: 3 to 9 mph ESE
Tuesday

A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. East southeast wind 3 to 9 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Rantoul, 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 24, 2026 11:38 AM CDT.

The active forecast window currently covers May 26 to May 30, 2026 for Rantoul, IL.

Page Snapshot

Page focus
city weather
Forecast window
May 26 to May 30, 2026
Latest sync
May 24, 2026 11:38 AM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
82°F
Tuesday
Next Low
64°F
Tuesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
9 to 15 mph
Friday

Daily Outlook

Today
May 26
Mostly Sunny then Slight Chance Showers And Thunderstorms
82 °F
/ 64°F
Wind 3 to 9 mph
Wed
May 27
Showers And Thunderstorms Likely
81 °F
/ 63°F
Wind 7 mph
Thu
May 28
Chance Showers And Thunderstorms
82 °F
/ 60°F
Wind 5 to 9 mph
Fri
May 29
Slight Chance Rain Showers
77 °F
/ 55°F
Wind 9 to 15 mph
Sat
May 30
Slight Chance Rain Showers
74 °F
/ 55°F
Wind 10 to 15 mph

This Week in Rantoul

Tuesday looks like the warmest upcoming period in Rantoul at 82 degrees F.

Friday Night is the coolest period ahead with temperatures near 55 degrees F.

The strongest winds are forecast for Friday at about 9 to 15 mph ENE.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
May 24, 2026 11:38 AM CDT
Coverage
5 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 source

Extended Forecast

Tuesday Night
May 26
64°F
Chance Showers And Thunderstorms
7 mph SE

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Wednesday
May 27
81°F
Showers And Thunderstorms Likely
7 mph ESE

Showers and thunderstorms likely. Mostly cloudy, with a high near 81. East southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night
May 27
63°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
6 mph ENE

Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

Thursday
May 28
82°F
Chance Showers And Thunderstorms
5 to 9 mph ENE

A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.

Thursday Night
May 28
60°F
Chance Showers And Thunderstorms
9 mph ENE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

Friday
May 29
77°F
Slight Chance Rain Showers
9 to 15 mph ENE

A slight chance of rain showers. Partly sunny, with a high near 77.

Friday Night
May 29
55°F
Slight Chance Rain Showers
9 to 13 mph ENE

A slight chance of rain showers. Partly cloudy, with a low around 55.

Saturday
May 30
74°F
Slight Chance Rain Showers
10 to 15 mph ENE

A slight chance of rain showers. Mostly sunny, with a high near 74.

Saturday Night
May 30
55°F
Slight Chance Rain Showers then Partly Cloudy
7 to 12 mph ENE

A slight chance of rain showers before 7pm. Partly cloudy, with a low around 55.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
May 26
Mostly Sunny then Slight Chance Showers And Thunderstorms
82°F
3 to 9 mph
ESE
Tuesday Night
May 26
Chance Showers And Thunderstorms
64°F
7 mph
SE
Wednesday
May 27
Showers And Thunderstorms Likely
81°F
7 mph
ESE
Wednesday Night
May 27
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
63°F
6 mph
ENE
Thursday
May 28
Chance Showers And Thunderstorms
82°F
5 to 9 mph
ENE
Thursday Night
May 28
Chance Showers And Thunderstorms
60°F
9 mph
ENE
Friday
May 29
Slight Chance Rain Showers
77°F
9 to 15 mph
ENE
Friday Night
May 29
Slight Chance Rain Showers
55°F
9 to 13 mph
ENE
Saturday
May 30
Slight Chance Rain Showers
74°F
10 to 15 mph
ENE
Saturday Night
May 30
Slight Chance Rain Showers then Partly Cloudy
55°F
7 to 12 mph
ENE
Rantoul  IL
Rantoul IL image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.