Blair, WI Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Blair, WI in one place.
Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. South wind 6 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Blair, WI 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: Aug 27, 2026 7:46 PM CDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Blair, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 7:46 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Blair
Monday looks like the warmest upcoming period in Blair at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 7:46 PM CDT
- Coverage
- 5 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
Showers and thunderstorms likely before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 65. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. South wind 7 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 8 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. North wind 1 to 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 2 to 7 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of rain showers before 1pm. Mostly sunny, with a high near 86. Southwest wind 1 to 5 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind around 3 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Rain Showers Likely
|
79°F |
6 to 12 mph
S
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
65°F |
7 to 10 mph
SE
|
|
Sunday
Aug 30
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
7 to 10 mph
S
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms
|
70°F |
8 mph
S
|
|
Monday
Aug 31
|
Slight Chance Showers And Thunderstorms
|
89°F |
5 to 8 mph
SW
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms
|
67°F |
1 to 6 mph
N
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
86°F |
2 to 7 mph
S
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
SE
|
|
Wednesday
Sep 2
|
Chance Rain Showers
|
86°F |
1 to 5 mph
SW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms
|
65°F |
3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Blair.
