Farmington, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Farmington, IL in one place.
A slight chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 76. South southwest wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Farmington, 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 10, 2026 4:20 PM CDT.
The active forecast window currently covers Apr 12 to Apr 16, 2026 for Farmington, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 4:20 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Farmington
Tuesday looks like the warmest upcoming period in Farmington at 85 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Sunday at about 14 to 21 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 4:20 PM 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 sourceExtended Forecast
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Cloudy, with a low around 63. South southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78.
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Showers And Thunderstorms Likely
|
76°F |
14 to 21 mph
SSW
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
63°F |
15 to 20 mph
SSW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
81°F |
16 mph
SSW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms
|
66°F |
14 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
85°F |
13 to 20 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
64°F |
14 to 17 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
79°F |
16 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
57°F |
8 to 13 mph
SSW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
78°F |
9 to 13 mph
S
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
57°F |
12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Farmington.
