Weather Alert
Keith Weather Warning NWS WEATHER ALERT FOR THE KEITH, IL AREA - Issued: 1049 AM CDT Thu Sep 3 2026 Keith Weather Warning

World > North America > United States > Illinois > Keith  

Keith, IL Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Keith, IL Weather Forecast

Current Conditions

Settings
Keith IL weather - Clear - 96°F
Clear
96°F
Updated 12:04 pm
Feels Like 105°F
Humidity 41%
Wind W 7 mph
Barometer  30.01 in
Dew Point 69°F
Keith IL weather - Clear - 36°C
Clear
36°C
Updated 12:04 pm
Feels Like 41°C
Humidity 41%
Wind W 11 km/h
Barometer  101.6 kPa
Dew Point 21°C
WX Settings

Keith Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY TUESDAY NIGHT WEDNESDAY
Keith, IL Weather - Today Sunny Keith, IL Weather - Tonight Mostly Clear Keith, IL Weather - Friday Sunny Keith, IL Weather - Friday Night Mostly Clear Keith, IL Weather - Saturday Sunny Keith, IL Weather - Saturday Night Mostly Clear Keith, IL Weather - Sunday Mostly Clear Keith, IL Weather - Sunday Night Mostly Clear Keith, IL Weather - Monday Mostly Clear Keith, IL Weather - Tuesday Mostly Clear Keith, IL Weather - Tuesday Night Mostly Clear Keith, IL Weather - Wednesday Mostly Clear
Sunny Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear
Hi: 99°FHi: 37°C
 Lo: 75°FLo: 24°C Hi: 99°FHi: 37°C
 Lo: 75°FLo: 24°C Hi: 99°FHi: 37°C
 Hi: 91°FHi: 33°C
Lo: 71°FLo: 22°C		 Hi: 91°FHi: 33°C
Lo: 71°FLo: 22°C		 Hi: 95°FHi: 35°C
Lo: 65°FLo: 18°C		 Hi: 95°FHi: 35°C
Lo: 65°FLo: 18°C		 Hi: 95°FHi: 35°C
Lo: 65°FLo: 18°C		 Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C		 Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1052 AM CDT Thu Sep 03 2026 Keith, IL Weather - WeatherWorld.com

Trending Headlines

Keith Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Keith Quick Facts

National Two Day Weather Forecast


E-mail the Keith Weather Forecast

Voice your opinion or tell us about page issues...

Keith Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 606 AM CDT Thu Sep 3 2026

Key Messages

  • An Extreme Heat Warning remains in effect through Saturday for a prolonged dangerous heatwave with daily heat index values ranging from 103-110 degrees. There is a 30-80% chance of needing to extend advisory level heat headlines into Sunday over southeast Missouri and adjacent portions of southern Illinois and west Kentucky.
  • Multiple consecutive days of near record high temperatures in the upper 90s to 100 degrees and several record warm overnight low temperatures in the mid to upper...