National Weather Service Forecast for: Grand Island NE
Issued by: National Weather Service Hastings, NE
Updated: 2:26 am CDT Aug 20, 2026
 
Overnight

Overnight: Patchy fog.  Otherwise, mostly clear, with a low around 62. Calm wind.
Patchy Fog

Thursday

Thursday: Areas of fog before 10am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming south around 5 mph in the morning.
Areas Fog
then Sunny

Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms before 11pm.  Mostly clear, with a low around 65. South southwest wind around 5 mph.
Slight Chance
T-storms then
Mostly Clear
Friday

Friday: Sunny during the morning, then partly sunny during the afternoon, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Mostly Sunny

Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 64. East wind around 5 mph becoming north northwest after midnight.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
Showers
Saturday

Saturday: Mostly sunny, with a high near 81.
Mostly Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 63.
Partly Cloudy

Sunday

Sunday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 78.
Chance
Showers

Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 64.
Partly Cloudy
then Chance
T-storms
Lo 62 °F Hi 83 °F Lo 65 °F Hi 85 °F Lo 64 °F Hi 81 °F Lo 63 °F Hi 78 °F Lo 64 °F

Hazardous Weather Outlook
 

Overnight
 
Patchy fog. Otherwise, mostly clear, with a low around 62. Calm wind.
Thursday
 
Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming south around 5 mph in the morning.
Thursday Night
 
A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 65. South southwest wind around 5 mph.
Friday
 
Sunny during the morning, then partly sunny during the afternoon, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
 
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. East wind around 5 mph becoming north northwest after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Mostly sunny, with a high near 81.
Saturday Night
 
Partly cloudy, with a low around 63.
Sunday
 
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Sunday Night
 
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Monday
 
Mostly sunny, with a high near 83.
Monday Night
 
Mostly clear, with a low around 65.
Tuesday
 
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
 
A 20 percent chance of showers. Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Grand Island NE.