Weather WorldHarrison Lake, MO 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Harrison Lake, MO Weather Forecast
Harrison Lake, MO Weather Forecast Date: 254 AM CDT Wed Oct 21 2026
The area/counties/county of: Monroe County Il, Jefferson County Mo.or toggle through each period.
Today... Sunny. Highs in the mid 70s. Light and variable winds.
Tonight... Mostly clear. Lows in the mid 40s. Light and variable winds.
Thursday... Sunny. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.
Thursday Night... Clear. Lows in the mid 40s. Light and variable winds.
Friday... Sunny. Highs in the mid 70s. Southeast winds around 5 mph.
Friday Night... Mostly clear. Lows in the mid 40s.
Saturday... Partly cloudy. Highs in the upper 70s. Lows in the upper 40s.
Sunday... Partly cloudy. Highs in the upper 70s. Lows in the upper 40s.
Sunday Night... Mostly cloudy. Lows in the upper 40s. Highs in the mid 70s.
Monday... Mostly cloudy. Lows in the upper 40s. Highs in the mid 70s.
POP = Probability of Precipitation
Harrison Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...