Weather Alert
Grantsburg Weather Warning NWS WEATHER ALERT FOR THE GRANTSBURG, WI AREA - Issued: 358 AM CDT Fri Sep 25 2026 Grantsburg Weather Warning

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Grantsburg, WI Weather Forecast

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Grantsburg, WI Weather Forecast

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Grantsburg WI weather - Overcast - 55°F
Overcast
55°F
Updated 7:48 am
Feels Like 57°F
Humidity 96%
Wind E 5 mph
Barometer  30.33 in
Dew Point 54°F
Grantsburg WI weather - Overcast - 13°C
Overcast
13°C
Updated 7:48 am
Feels Like 14°C
Humidity 96%
Wind E 8 km/h
Barometer  102.7 kPa
Dew Point 12°C
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Grantsburg Weather Forecast

TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Grantsburg, WI Weather - Today Mostly Sunny Grantsburg, WI Weather - Tonight Partly Cloudy Grantsburg, WI Weather - Saturday Chance Of Showers Grantsburg, WI Weather - Saturday Night Showers Likely Grantsburg, WI Weather - Sunday Chance Of Showers Grantsburg, WI Weather - Sunday Night Mostly Cloudy Grantsburg, WI Weather - Monday Mostly Cloudy Grantsburg, WI Weather - Monday Night Chance Of T-Storm Grantsburg, WI Weather - Tuesday Showers Grantsburg, WI Weather - Tuesday Night Chance Of Showers Grantsburg, WI Weather - Wednesday Chance Of Showers Grantsburg, WI Weather - Wednesday Night Chance Of Showers
Mostly Sunny Partly Cloudy Chance of Showers Showers Likely Chance of Showers Mostly Cloudy Mostly Cloudy Chance of T-Storm Showers Chance of Showers Chance of Showers Chance of Showers
Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Hi: 70°FHi: 21°C
Lo: 50°FLo: 10°C		 Hi: 70°FHi: 21°C
Lo: 50°FLo: 10°C		 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
 Lo: 50°FLo: 10°C Hi: 69°FHi: 21°C
 Lo: 45°FLo: 7°C
POP: 20% POP: 70% POP: 20% POP: 30% POP: 70% POP: 50% POP: 20% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 540 AM CDT Fri Sep 25 2026 Grantsburg, WI Weather - WeatherWorld.com

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Issued: 618 AM CDT Fri Sep 25 2026

Key Messages

  • Areas of dense fog early this morning will impact the morning commute around the Twin Ports.
  • Dry conditions today with temperatures near to slightly above normal in the middle 60s to low 70s.
  • Periodic shower chances return Saturday, followed by a more organized system bringing a widespread soaking rain Monday night through Tuesday.

Discussion

... Issued at 319 AM CDT Fri Sep 25 2026

Stratus is lingering over the Northland early this morning in the wake of yesterday`s rainfall. Where the...