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Grantsburg, WI Weather Conditions

Updated: Fri Mar 6th 2026 8:30 PM CST

Moderate Or Heavy Rain With Thunder

38^°F 3^°C

Feels Like 32^°F / -0^°C

Grantsburg, WI weather condition is Moderate Or Heavy Rain With Thunder and 38°F.

Today's Weather in Grantsburg,WI

The current weather in Grantsburg WI as of 8:30 PM CST on Fri Mar 6th 2026, has a sky condition of Moderate Or Heavy Rain With Thunder with the visibility of 9 mile(s) and the UV index at 1. It is 38 degrees fahrenheit but feels like 32 degrees. The barometric pressure is 29.77 - measured by inches of mercury - and is falling since its last observation. The humidity is 99 percent that's steady since the last report, with a dew point of 41 degrees fahrenheit which is falling. Wind direction is from the North-Northwest at 8.1 miles per hour, gusting at 12.1 miles per hour. Sunrise was at 6:40 AM and Sunset was at 6:04 PM. The moon phase is a Waning Gibbous moon rising at 10:03 PM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 6:40 AM

Sunset: 6:04 PM

As of:

Moon

Moonrise: 10:03 PM

Moonset: 7:40 AM

Phase: Waning Gibbous Moon

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Hourly Forecast - Next 8 hours

Next 5 Days...

Moderate Rain

Moderate Rain with a high of 46°F and a low of 27°F. Probable rainfall forecasted, having an 88% chance with an estimated 0.27in. Possible light Snowfall with a 14% chance estimated at 1.4in accumulation. Winds will be moderate, blowing around 15mph. The humidity will be on the higher side, reaching around 76%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 46° \| Lo 27°	76%	88% \| est. 0.27in	14% \| est. 1.4in	14.5 mph

Partly Cloudy

Partly Cloudy with a high of 59°F and a low of 33°F. Winds will be moderate, blowing around 18mph. The humidity will be on the higher side, reaching around 65%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 59° \| Lo 33°	65%	0%	0%	17.2 mph

Partly Cloudy

Partly Cloudy with a high of 47°F and a low of 34°F. Winds will be moderate, blowing around 17mph. The humidity will be on the higher side, reaching around 68%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 47° \| Lo 34°	68%	0%	0%	16.3 mph

Heavy Snow

Heavy Snow with a high of 31°F and a low of 26°F. Probable rainfall forecasted, having an 83% chance with an estimated 0.34in. Snowfall has a likely chance of 55% with an estimated accumulation of 2.4in. Winds will be moderate, blowing around 17mph. Expect high humidity with levels above 80% to 83%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 31° \| Lo 26°	83%	83% \| est. 0.34in	55% \| est. 2.4in	17 mph

Light Snow

Light Snow with a high of 31°F and a low of 20°F. Probable rainfall forecasted, having an 88% chance with an estimated 0.04in. Snowfall has a likely chance of 65% with an estimated accumulation of 0.3in. Winds will be moderate, blowing around 12mph. Expect high humidity with levels above 80% to 91%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 31° \| Lo 20°	91%	88% \| est. 0.04in	65% \| est. 0.3in	11.2 mph

Yesterday 5-Day Wind

Weather Radar Map

Live Grantsburg, WI weather with minute-by-minute precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Tuesday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 38^°F. The morning temperature of 36°^F is lowest at 1am with the daytime high of 44°^F at 4pm and a low around 38°^F at 8pm is expected.

Hourly Barometric Pressure

The highest pressure today is 29.98^inHg at 12am and lowest being 29.73^inHg at 2pm.

Hourly Wind Speeds

The fastest wind is reported to be 10.5^mph at 1am, while the slowest is 1.8^mph around 2pm; expect wind gusts peaking 16.9^mph at 12am. View live wind conditions in Grantsburg

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