Armington, IL Weather Forecast

Local 7-day forecast

66°
F

Partly Cloudy

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

Tuesday, September 15, 2026
Wind: 15 mph S
Overnight

Partly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Armington, 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: Sep 15, 2026 4:10 AM CDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Armington, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 15, 2026 4:10 AM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
90°F
Tuesday
Next Low
66°F
Overnight
Rain Outlook
13
Periods mentioning precipitation
Windiest
15 mph
Overnight

Daily Outlook

Today
Sep 15
Chance Showers And Thunderstorms
90 °F
/ 66°F
Wind 7 to 14 mph
Wed
Sep 16
Chance Showers And Thunderstorms
86 °F
/ 70°F
Wind 7 mph
Thu
Sep 17
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
88 °F
/ 67°F
Wind 6 mph
Fri
Sep 18
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
86 °F
/ 68°F
Wind 8 mph
Sat
Sep 19
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
87 °F
/ 65°F
Wind 14 mph
Sun
Sep 20
Showers And Thunderstorms Likely
78 °F
/ 58°F
Wind 7 to 12 mph
Mon
Sep 21
Slight Chance Rain Showers
74 °F
Wind 9 to 13 mph

This Week in Armington

Tuesday looks like the warmest upcoming period in Armington at 90 degrees F.

Sunday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Overnight at about 15 mph S.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 4:10 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 source

Extended Forecast

Tuesday
Sep 15
90°F
Chance Showers And Thunderstorms
7 to 14 mph SW

A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Night
Sep 15
67°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
7 mph NNE

A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. North northeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday
Sep 16
86°F
Chance Showers And Thunderstorms
7 mph ENE

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Partly sunny, with a high near 86. East northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night
Sep 16
70°F
Chance Showers And Thunderstorms
6 mph ESE

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 70. East southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday
Sep 17
88°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
6 mph W

A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 88. West wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night
Sep 17
67°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
7 mph NE

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Northeast wind around 7 mph.

Friday
Sep 18
86°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
8 mph E

A slight 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. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Friday Night
Sep 18
68°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
7 to 10 mph SE

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68.

Saturday
Sep 19
87°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
14 mph SW

A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Saturday Night
Sep 19
65°F
Showers And Thunderstorms Likely
9 mph WNW

Showers and thunderstorms likely. Mostly cloudy, with a low around 65.

Sunday
Sep 20
78°F
Showers And Thunderstorms Likely
7 to 12 mph N

Showers and thunderstorms likely. Partly sunny, with a high near 78.

Sunday Night
Sep 20
58°F
Chance Showers And Thunderstorms
8 to 12 mph NNE

A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58.

Monday
Sep 21
74°F
Slight Chance Rain Showers
9 to 13 mph NNE

A slight chance of rain showers after 7am. Mostly sunny, with a high near 74.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 15
Partly Cloudy
66°F
15 mph
S
Tuesday
Sep 15
Chance Showers And Thunderstorms
90°F
7 to 14 mph
SW
Tuesday Night
Sep 15
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
67°F
7 mph
NNE
Wednesday
Sep 16
Chance Showers And Thunderstorms
86°F
7 mph
ENE
Wednesday Night
Sep 16
Chance Showers And Thunderstorms
70°F
6 mph
ESE
Thursday
Sep 17
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
88°F
6 mph
W
Thursday Night
Sep 17
Partly Cloudy then Slight Chance Showers And Thunderstorms
67°F
7 mph
NE
Friday
Sep 18
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
86°F
8 mph
E
Friday Night
Sep 18
Slight Chance Showers And Thunderstorms then Partly Cloudy
68°F
7 to 10 mph
SE
Saturday
Sep 19
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
87°F
14 mph
SW
Saturday Night
Sep 19
Showers And Thunderstorms Likely
65°F
9 mph
WNW
Sunday
Sep 20
Showers And Thunderstorms Likely
78°F
7 to 12 mph
N
Sunday Night
Sep 20
Chance Showers And Thunderstorms
58°F
8 to 12 mph
NNE
Monday
Sep 21
Slight Chance Rain Showers
74°F
9 to 13 mph
NNE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.