Grimes Addition, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Grimes Addition, IL in one place.
Showers and thunderstorms likely. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Grimes Addition, 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 1:57 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grimes Addition, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:57 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Grimes Addition
Saturday looks like the warmest upcoming period in Grimes Addition at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:57 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 72.
Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
72°F |
5 mph
NE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
64°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms
|
81°F |
0 to 5 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
62°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
E
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
64°F |
10 mph
SE
|
|
Saturday
Sep 19
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
10 to 15 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
NW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
74°F |
10 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
54°F |
5 to 10 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Mostly Sunny
|
72°F |
10 mph
NE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
51°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grimes Addition.