Deer Grove, IL Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Deer Grove, IL in one place.
Patchy fog after 3am. Clear, with a low around 69. Northwest wind around 0 mph.
Local Weather Overview
This forecast page for Deer Grove, 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: Jul 15, 2026 4:06 AM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Deer Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 4:06 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Deer Grove
Wednesday looks like the warmest upcoming period in Deer Grove at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 4:06 AM CDT
- Coverage
- 7 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
Patchy fog before 9am. Mostly sunny, with a high near 92. Heat index values as high as 100. West wind 0 to 5 mph.
Partly cloudy, with a low around 71. Southwest wind around 0 mph.
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 60%.
Sunny, with a high near 91.
Mostly clear, with a low around 68.
Sunny, with a high near 89.
Mostly clear, with a low around 69.
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 91.
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 68.
Sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Patchy Fog
|
69°F |
0 mph
|
|
Wednesday
Jul 15
|
Patchy Fog then Mostly Sunny
|
92°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
71°F |
0 mph
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
S
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
72°F |
0 to 5 mph
S
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
90°F |
5 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Mostly Clear
|
72°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
91°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
68°F |
5 to 10 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
89°F |
5 mph
SE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
69°F |
5 mph
S
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
91°F |
5 to 15 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
NW
|
|
Tuesday
Jul 21
|
Sunny
|
84°F |
10 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Deer Grove.