Saint Jacob, IL Weather Forecast
Local 7-day forecast
Patchy Drizzle
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Jacob, IL in one place.
Patchy drizzle. Cloudy, with a low around 47. Northwest wind around 12 mph.
Local Weather Overview
This forecast page for Saint Jacob, 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: Nov 6, 2026 5:34 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Saint Jacob, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 5:34 AM CST
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Jacob
Tuesday looks like the warmest upcoming period in Saint Jacob at 68 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 7 to 13 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 6, 2026 5:34 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly sunny. High near 52, with temperatures falling to around 48 in the afternoon. North wind 7 to 13 mph.
Clear, with a low around 30. North wind 1 to 6 mph.
Sunny. High near 54, with temperatures falling to around 49 in the afternoon. Northwest wind 1 to 5 mph.
Clear, with a low around 31. West wind around 2 mph.
Sunny. High near 63, with temperatures falling to around 57 in the afternoon.
Clear, with a low around 38.
Sunny, with a high near 67.
Clear, with a low around 42.
Sunny, with a high near 68.
Mostly clear, with a low around 41.
Sunny, with a high near 66.
A slight chance of rain. Partly cloudy, with a low around 42. Chance of precipitation is 20%.
Mostly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 6
|
Patchy Drizzle
|
47°F |
12 mph
NW
|
|
Friday
Nov 6
|
Partly Sunny
|
52°F |
7 to 13 mph
N
|
|
Friday Night
Nov 6
|
Clear
|
30°F |
1 to 6 mph
N
|
|
Saturday
Nov 7
|
Sunny
|
54°F |
1 to 5 mph
NW
|
|
Saturday Night
Nov 7
|
Clear
|
31°F |
2 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
63°F |
2 to 7 mph
W
|
|
Sunday Night
Nov 8
|
Clear
|
38°F |
0 to 3 mph
W
|
|
Monday
Nov 9
|
Sunny
|
67°F |
0 to 7 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
42°F |
3 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
68°F |
1 to 5 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
41°F |
0 mph
|
|
Veterans Day
Nov 11
|
Sunny
|
66°F |
0 to 5 mph
NW
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain
|
42°F |
3 mph
NW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
61°F |
5 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Jacob.