Weather World
Johnstown, NE 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Johnstown, NE Weather Forecast
Johnstown, NE Weather Forecast Date: 736 AM CDT Sat Sep 05 2026
The area/counties/county of: Brown, including the city of Ainsworth.or toggle through each period.
Today... Sunny. A chance of showers and thunderstorms in the morning. Highs in the lower 90s. South winds 10 to 15 mph. Chance of precipitation 50%.
Tonight... Mostly cloudy. Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight. Lows in the mid 60s. South winds around 10 mph. Chance of precipitation 50%.
Sunday... Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. South winds 10 to 20 mph. Chance of precipitation 40%.
Sunday Night... Partly cloudy with a chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the upper 60s. South winds 10 to 20 mph. Chance of precipitation 50%.
Labor Day... Windy. Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. South winds 15 to 30 mph with gusts to around 45 mph. Chance of precipitation 20%.
Monday Night... Mostly cloudy with a chance of thunderstorms. Showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 80%.
Tuesday... Mostly sunny. Highs in the mid 80s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Wednesday... Mostly sunny. Highs in the lower 80s.
Wednesday Night... Partly cloudy. Lows in the upper 50s.
Thursday... Mostly sunny. Highs in the mid 80s.
Thursday Night... Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of precipitation 20%.
POP = Probability of Precipitation
Johnstown Radar Loop
Use the map search tool if you want to place a location marker on the radar map...