Local Forecast

Savanna, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Savanna, IL.

Active Alerts 1 active

Hour-by-Hour  Current Observation

Monday 3:55 AM CDTMonday 3:55 AM

°F °C
Regional Observations →
68°F

Clear

  • 82° / 66° High / Low
  • 68° Feels Like
  • 0% Chance of Rain

Wind

5 mph

ENE

UV Index

0

None

Humidity

85%

Dew 63°F

Sun

5:24 AM · 8:34 PM

Rise · Set

Source: SAVANNA/TRITOWN (KSFY). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Today

82° 66°

Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Today

A chance of showers and thunderstorms before 8am, then showers and thunderstorms between 8am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Night

Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 66. South wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Tuesday

91° 71°

Mostly Cloudy

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Tuesday

Partly sunny, with a high near 90. Southwest wind 0 to 5 mph.

Night

A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Wednesday

95° 69°

Isolated T-storm

Overnight: Thunderstorms Likely

Detailed forecast

Wednesday

A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 94.

Night

A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 70%.

Thursday

89° 60°

Thunderstorms Likely

Overnight: Chance of Showers

Detailed forecast

Thursday

Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Night

Showers and thunderstorms likely. Partly cloudy, with a low around 60. Chance of precipitation is 60%.

Friday

89° 64°

Isolated T-storm

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Friday

A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 87.

Night

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 63. Chance of precipitation is 30%.

Savanna, IL Weather Analysis Tools