Putnam County, IL Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Putnam County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 79.
County Weather Overview
This county weather page brings together forecast coverage for Putnam County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Putnam County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 24 to Jul 28, 2026
- Latest sync
- Jul 21, 2026 11:14 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Putnam County
Monday looks like the warmest upcoming period in Putnam County at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 21, 2026 11:14 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 60.
Mostly sunny, with a high near 84.
Mostly clear, with a low around 67.
Mostly sunny, with a high near 91.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 92. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 67.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Mostly Sunny
|
79°F |
0 to 5 mph
SE
|
|
Friday Night
Jul 24
|
Mostly Clear
|
60°F |
0 mph
|
|
Saturday
Jul 25
|
Mostly Sunny
|
84°F |
0 to 5 mph
S
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
67°F |
0 to 5 mph
SW
|
|
Sunday
Jul 26
|
Mostly Sunny
|
91°F |
5 to 10 mph
SW
|
|
Sunday Night
Jul 26
|
Partly Cloudy then Chance Showers And Thunderstorms
|
72°F |
5 mph
S
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
92°F |
5 to 10 mph
SW
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms
|
67°F |
5 mph
N
|
|
Tuesday
Jul 28
|
Slight Chance Showers And Thunderstorms then Sunny
|
87°F |
5 mph
N
|
Major City Forecasts
Live forecast snapshots for major cities across Putnam County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Putnam County.
Largest mapped city population in this region: 1,298.