DeKalb County, IN Weather Forecast
County weather hub
Sunny
Compare major city weather across DeKalb County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 92. Heat index values as high as 97. West wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for DeKalb County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in DeKalb County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 12, 2026 10:01 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in DeKalb County
Wednesday looks like the warmest upcoming period in DeKalb County at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 10:01 PM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IWX
- Radar station
- KIWX
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 70. West wind 0 to 5 mph.
Sunny, with a high near 94.
Mostly clear, with a low around 69.
Sunny, with a high near 91.
Partly cloudy, with a low around 68.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
0 to 5 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
0 to 5 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
69°F |
5 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
5 mph
N
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
68°F |
0 to 5 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
W
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
87°F |
10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
SW
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across DeKalb County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in DeKalb County.
Largest mapped city population in this region: 56,305.
