Grant County, WI 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 71. Northwest wind around 8 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 2 of 2 mapped cities in Grant County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 3:47 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grant County
This Afternoon looks like the warmest upcoming period in Grant County at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 15 to 24 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 3:47 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 52. North wind around 8 mph. Chance of precipitation is 20%.
Mostly cloudy, with a high near 66. Northeast wind around 9 mph.
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 50. East wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Rain showers. Cloudy, with a high near 61. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 1am. Mostly cloudy, with a low around 43. Northwest wind 9 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Mostly sunny, with a high near 55. Northwest wind 15 to 24 mph, with gusts as high as 36 mph.
Widespread frost after 3am. Mostly clear, with a low around 33. West wind 1 to 13 mph, with gusts as high as 21 mph.
Widespread frost before 9am. Sunny, with a high near 58. Southwest wind 1 to 14 mph.
Clear, with a low around 41. Southwest wind around 13 mph, with gusts as high as 21 mph.
Sunny, with a high near 64. South wind 12 to 17 mph, with gusts as high as 25 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 46. South wind 3 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 66. Southwest wind around 5 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 46. Southeast wind around 2 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Sunny
|
71°F |
8 mph
NW
|
|
Tonight
Oct 13
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
52°F |
8 mph
N
|
|
Wednesday
Oct 14
|
Mostly Cloudy
|
66°F |
9 mph
NE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy then Slight Chance Rain Showers
|
50°F |
7 to 10 mph
E
|
|
Thursday
Oct 15
|
Rain Showers
|
61°F |
10 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers
|
43°F |
9 to 20 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
55°F |
15 to 24 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
33°F |
1 to 13 mph
W
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
58°F |
1 to 14 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
41°F |
13 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
12 to 17 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy then Slight Chance Rain Showers
|
46°F |
3 to 14 mph
S
|
|
Monday
Oct 19
|
Slight Chance Rain Showers then Partly Sunny
|
66°F |
5 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
46°F |
2 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Grant County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Grant County.
Largest mapped city population in this region: 3,700.
