Weather World
Arcturus, MN 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Arcturus, MN Weather Forecast
Arcturus, MN Weather Forecast Date: 911 AM CDT Tue Sep 08 2026
The area/counties/county of: South Itasca, including the city of Grand Rapids.or toggle through each period.
Rest of Today... Mostly cloudy. A chance of sprinkles late this morning, then a slight chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20%.
Tonight... Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph with gusts up to 20 mph.
Wednesday... Mostly sunny. Cooler with highs in the upper 60s. West winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night... Mostly clear. Lows in the upper 40s. West winds 5 to 10 mph. Gusts up to 25 mph in the evening.
Thursday... Sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph.
Thursday Night... Mostly clear. Not as cool with lows in the upper 50s.
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40%.
Friday Night... Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 70%.
Saturday... Partly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Saturday Night... Partly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Sunday... Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30%.
Sunday Night... Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 40%.
POP = Probability of Precipitation
Arcturus Radar Loop
Use the map search tool if you want to place a location marker on the radar map...