GRANTSBURG, WI 54840 Weather Forecast & Current Conditions

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SIREN/BURNETT CTY, WI
Current Weather

10:35 PM CDT JUN 12, 2026
Overcast
64°F
Feels Like: 63°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: SW at 15 mph, gusts to 22
Pressure: 29.81 inches
Last 72 hours

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GRANTSBURG, WI 54840
Weather Forecast

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REST OF TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Southwest winds 10 to 15 mph. Chance of rain 40 percent.
SATURDAY
Mostly sunny. Highs around 70. West winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY
Sunny. Highs around 70. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY NIGHT
Mostly clear. Cold with lows in the mid 40s. West winds 5 to 10 mph.
MONDAY
Sunny. Highs in the mid 70s.
MONDAY NIGHT
Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 40s. Chance of rain 40 percent.
TUESDAY
Sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
TUESDAY NIGHT
Partly cloudy. Lows in the upper 40s.
WEDNESDAY
Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.
THURSDAY
Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s.

Visible Weather Satellite
GRANTSBURG, WI 54840
Infrared Weather Satellite
GRANTSBURG, WI 54840
NEXRAD Weather Radar
GRANTSBURG, WI 54840

SIREN/BURNETT CTY, WI 3 hourly weather forecast

weather forecast created  8:00 PM EDT  6/12/2026
Saturday
13 JUN 2026
GRANTSBURG, WI 54840 weather forecast Day 1, 0 hours 1 AM 61° 60° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 6% severe)
SW   7 72% 52°
Low 57° GRANTSBURG, WI 54840 weather forecast Day 1, 3 hours 4 AM 58° 57° Partly Cloudy WSW   7 80% 52°
High 71° GRANTSBURG, WI 54840 weather forecast Day 1, 6 hours 7 AM 58° 57° Partly Cloudy 0%

0% Thunder
( 1% severe)
W   7 80% 52°

Partly Cloudy



GRANTSBURG, WI 54840 weather forecast Day 1, 9 hours 10 AM 66° 66° Clear WNW   12 47% 45°
GRANTSBURG, WI 54840 weather forecast Day 1, 12 hours 1 PM 69° 69° Partly Cloudy 3%

0% Thunder
( 3% severe)
WNW   14 39% 43°
GRANTSBURG, WI 54840 weather forecast Day 1, 15 hours 4 PM 69° 69° Partly Cloudy WNW   14 36% 41°
GRANTSBURG, WI 54840 weather forecast Day 1, 18 hours 7 PM 66° 66° Partly Cloudy 4%

0% Thunder
( 4% severe)
WNW   12 38% 40°
GRANTSBURG, WI 54840 weather forecast Day 1, 21 hours 10 PM 59° 58° Mostly Cloudy NW   8 53% 42°
Sunday
14 JUN 2026
GRANTSBURG, WI 54840 weather forecast Day 2, 0 hours 1 AM 54° 52° Mostly Cloudy 2%

0% Thunder
( 1% severe)
NW   7 66% 43°
Low 47° GRANTSBURG, WI 54840 weather forecast Day 2, 3 hours 4 AM 51° 48° Partly Cloudy NW   8 68% 41°
High 70° GRANTSBURG, WI 54840 weather forecast Day 2, 6 hours 7 AM 51° 48° Partly Cloudy 0%

0% Thunder
( 1% severe)
NW   9 68% 41°

Partly Cloudy



GRANTSBURG, WI 54840 weather forecast Day 2, 9 hours 10 AM 59° 57° Partly Cloudy NW   13 46% 38°
GRANTSBURG, WI 54840 weather forecast Day 2, 12 hours 1 PM 66° 66° Clear 0%

0% Thunder
( 2% severe)
WNW   13 33% 36°
GRANTSBURG, WI 54840 weather forecast Day 2, 15 hours 4 PM 70° 70° Clear WNW   13 26% 34°
GRANTSBURG, WI 54840 weather forecast Day 2, 18 hours 7 PM 69° 69° Clear 0%

0% Thunder
( 1% severe)
WNW   10 27% 34°
GRANTSBURG, WI 54840 weather forecast Day 2, 21 hours 10 PM 59° 58° Clear WNW   7 44% 37°

SIREN/BURNETT CTY, WI extended weather forecast

BAD DAY
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Low 49° Low 47° Low 50° Low 55° Low 52°
High 70° High 73° High 72° High 70° High 74°
GRANTSBURG, WI 54840 weather forecast Day 3 GRANTSBURG, WI 54840 weather forecast Day 4 GRANTSBURG, WI 54840 weather forecast Day 5 GRANTSBURG, WI 54840 weather forecast Day 6 GRANTSBURG, WI 54840 weather forecast Day 7
Partly Cloudy
12% Rain
Partly Cloudy
14% Rain
Mostly Cloudy
39% Rain
Overcast
69% Rain
Mostly Cloudy
50% Rain
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