Weather Alert
Dewey Weather Warning NWS WEATHER ALERT FOR THE DEWEY, IL AREA - Issued: 252 PM CDT Sun Sep 20 2026 Dewey Weather Warning

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Dewey, IL Weather - Hour by Hour Forecast

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Dewey, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 66°F19°C, dew point 66°F19°C, humidity 100%. Wind direction is NE at 9 mph14 km/h with visibility of 10 mi16 km. Barometric pressure is 30 in1016 mb.
Rest of Tonight - Cloudy with a slight chance of thunderstorms. A slight chance of showers early this evening, then a chance of showers. Lows around.. Full Forecast
Monday - Cloudy. A slight chance of showers in the morning. Much cooler with highs in the upper 60s. Northeast winds 10 to 15 mph with gust.. Full Forecast

Dewey Hourly Weather

24 Hour Forecast Scroll
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Dewey, IL Hourly Weather - Cloudy - 10:00 PM Dewey, IL Hourly Weather - Cloudy - 11:00 PM Dewey, IL Hourly Weather - Cloudy - 12:00 AM Dewey, IL Hourly Weather - Cloudy - 1:00 AM Dewey, IL Hourly Weather - Cloudy - 2:00 AM Dewey, IL Hourly Weather - Cloudy - 3:00 AM Dewey, IL Hourly Weather - Cloudy - 4:00 AM Dewey, IL Hourly Weather - Cloudy - 5:00 AM Dewey, IL Hourly Weather - Cloudy - 6:00 AM Dewey, IL Hourly Weather - Cloudy - 7:00 AM Dewey, IL Hourly Weather - Cloudy - 8:00 AM Dewey, IL Hourly Weather - Cloudy - 9:00 AM Dewey, IL Hourly Weather - Cloudy - 10:00 AM Dewey, IL Hourly Weather - Cloudy - 11:00 AM Dewey, IL Hourly Weather - Cloudy - 12:00 PM Dewey, IL Hourly Weather - Cloudy - 1:00 PM Dewey, IL Hourly Weather - Cloudy - 2:00 PM Dewey, IL Hourly Weather - Cloudy - 3:00 PM Dewey, IL Hourly Weather - Cloudy - 4:00 PM Dewey, IL Hourly Weather - Cloudy - 5:00 PM Dewey, IL Hourly Weather - Cloudy - 6:00 PM Dewey, IL Hourly Weather - Cloudy - 7:00 PM Dewey, IL Hourly Weather - Cloudy - 8:00 PM Dewey, IL Hourly Weather - Cloudy - 9:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 55°F13°C 56°F13°C 57°F14°C 59°F15°C 60°F16°C 62°F17°C 63°F17°C 64°F18°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 60°F16°C 59°F15°C
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14% 14% 14% 14% 14% 14% 14% 14% 14% 14% 17% 17% 17% 17% 17% 17% 24% 24% 24% 24% 24% 24% 8% 8%
58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 55°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C
100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 96% 93% 90% 83% 81% 75% 72% 73% 70% 73% 72% 75% 81% 83%
NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
12 mph 12 mph 11 mph 11 mph 11 mph 10 mph 10 mph 10 mph 11 mph 11 mph 11 mph 12 mph 12 mph 12 mph 12 mph 12 mph 12 mph 11 mph 11 mph 11 mph 8 mph 8 mph 8 mph 8 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KTIP model statistics.

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Prob Precip % = Probability of Precipitation.

Dewey 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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