National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

Grundy County

Zone Forecast

  • Rest Of Tonight Mostly clear. Lows in the mid 20s. Light north winds late in the evening...then becoming calm.
  • Sunday Partly sunny in the morning...then becoming mostly cloudy. Highs in the upper 40s. Light east winds.
  • Sunday Night Not as cool. Mostly cloudy. A slight chance of rain showers after midnight. Lows in the upper 30s. Light southeast winds. Chance of rain 20 percent.
  • Monday Mostly cloudy with a slight chance of showers. Highs in the lower 50s. Southeast winds 5 to 15 mph. Chance of rain 20 percent.
  • Monday Night Cloudy with a chance of showers. Lows in the mid 40s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
  • Tuesday And Tuesday Night Showers and a slight chance of thunderstorms. Highs in the mid 50s. Lows in the mid 40s. Chance of rain 80 percent.
  • Wednesday Cooler. Rain showers likely in the morning...then a chance of rain and snow showers in the afternoon. Highs in the mid 40s. Chance of precipitation 60 percent.
  • Wednesday Night Colder. Partly cloudy with a chance of snow. Lows around 30. Chance of snow 30 percent.
  • Christmas Day Mostly sunny. Highs in the upper 40s.
  • Thursday Night Partly cloudy. Lows in the mid 30s.
  • Friday Mostly cloudy with a chance of rain showers. Highs in the lower 50s. Chance of rain 30 percent.
  • Friday Night Mostly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 50 percent.
  • Saturday Partly cloudy with a chance of rain showers. Highs in the mid 40s. Chance of rain 30 percent.