Grant County, IN Weather Forecast
County weather hub
Sunny
Compare major city weather across Grant County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 93. Heat index values as high as 99. West wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Grant County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Grant County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:20 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grant County
Wednesday looks like the warmest upcoming period in Grant County at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:20 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 71. Heat index values as high as 97. West wind 0 to 5 mph.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. West wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
A slight chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
0 to 5 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms
|
71°F |
0 to 5 mph
SW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
71°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
70°F |
5 to 10 mph
W
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
NW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
W
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Grant County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Grant County.
Largest mapped city population in this region: 5,772.