Fulton County, IL Weather Forecast
County weather hub
Areas Of Fog
Compare major city weather across Fulton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Areas of fog. Mostly clear, with a low around 71. West northwest wind around 1 mph.
County Weather Overview
This county weather page brings together forecast coverage for Fulton County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Fulton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 4:12 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fulton County
Wednesday looks like the warmest upcoming period in Fulton County at 93 degrees F.
Overnight is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 13 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 4:12 AM CDT
- Coverage
- 7 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
Areas of fog before 8am. Sunny, with a high near 93. Heat index values as high as 100. North northeast wind around 2 mph.
Mostly clear, with a low around 72. South wind around 2 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. South southwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South southwest wind 0 to 3 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 90. West southwest wind 0 to 3 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7pm. Mostly clear, with a low around 72. Southwest wind around 3 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 93.
Mostly clear, with a low around 71.
Sunny, with a high near 90.
Mostly clear, with a low around 71.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Areas Of Fog
|
71°F |
1 mph
WNW
|
|
Wednesday
Jul 15
|
Areas Of Fog then Sunny
|
93°F |
2 mph
NNE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
2 mph
S
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
3 mph
SSW
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
72°F |
0 to 3 mph
SSW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
90°F |
0 to 3 mph
WSW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Mostly Clear
|
72°F |
3 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
5 to 8 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
71°F |
2 to 6 mph
NW
|
|
Sunday
Jul 19
|
Sunny
|
90°F |
3 mph
ESE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
71°F |
3 mph
S
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
92°F |
3 to 9 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
71°F |
5 to 9 mph
NW
|
|
Tuesday
Jul 21
|
Sunny
|
87°F |
5 to 13 mph
NNW
|
Major City Forecasts
Live forecast snapshots for major cities across Fulton County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Fulton County.
Largest mapped city population in this region: 13,265.
