Weather Alert
Arrow Weather Warning NWS WEATHER ALERT FOR THE ARROW, IL AREA - Issued: 225 AM CDT Tue Sep 8 2026 Arrow Weather Warning

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Arrow, IL Weather - Hour by Hour Forecast

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Arrow, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 75°F24°C, dew point 62°F17°C, humidity 64%. Wind direction is WSW at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 30.16 in1021 mb.
Today - Mostly cloudy. Highs in the mid 80s inland, but only in the upper 70s near the lake. South winds 5 to 10 mph... Full Forecast
Tonight - Mostly cloudy. A slight chance of showers late in the evening. A chance of showers with a slight chance of thunderstorms after mid.. Full Forecast

Arrow Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 08
11:00 am
Tue, Sep 08
Noon
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Midnight
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Arrow, IL Hourly Weather - Mostly Clear - 11:00 AM Arrow, IL Hourly Weather - Clear - 12:00 PM Arrow, IL Hourly Weather - Clear - 1:00 PM Arrow, IL Hourly Weather - Clear - 2:00 PM Arrow, IL Hourly Weather - Clear - 3:00 PM Arrow, IL Hourly Weather - Clear - 4:00 PM Arrow, IL Hourly Weather - Clear - 5:00 PM Arrow, IL Hourly Weather - Clear - 6:00 PM Arrow, IL Hourly Weather - Clear - 7:00 PM Arrow, IL Hourly Weather - Clear - 8:00 PM Arrow, IL Hourly Weather - Cloudy - 9:00 PM Arrow, IL Hourly Weather - Cloudy - 10:00 PM Arrow, IL Hourly Weather - Cloudy - 11:00 PM Arrow, IL Hourly Weather - Cloudy - 12:00 AM Arrow, IL Hourly Weather - Cloudy - 1:00 AM Arrow, IL Hourly Weather - Cloudy - 2:00 AM Arrow, IL Hourly Weather - Cloudy - 3:00 AM Arrow, IL Hourly Weather - Cloudy - 4:00 AM Arrow, IL Hourly Weather - Cloudy - 5:00 AM Arrow, IL Hourly Weather - Cloudy - 6:00 AM Arrow, IL Hourly Weather - Cloudy - 7:00 AM Arrow, IL Hourly Weather - Cloudy - 8:00 AM Arrow, IL Hourly Weather - Cloudy - 9:00 AM Arrow, IL Hourly Weather - Cloudy - 10:00 AM
Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
75°F24°C 77°F25°C 78°F26°C 78°F26°C 78°F26°C 78°F26°C 77°F25°C 76°F24°C 75°F24°C 74°F23°C 72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 70°F21°C 72°F22°C 73°F23°C
- - - - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
4% 4% 4% 0% 0% 0% 0% 0% 0% 34% 34% 34% 34% 34% 34% 63% 63% 63% 63% 63% 63% 38% 38% 38%
62°F17°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 65°F18°C 65°F18°C 66°F19°C 67°F19°C 67°F19°C 68°F20°C
64% 58% 56% 56% 56% 56% 60% 62% 66% 69% 73% 76% 79% 79% 81% 81% 87% 87% 90% 87% 90% 90% 84% 84%
SSE SSE SE SE SSE SSE SSE SSE SSE SSE SSE S SW SSW W SSW SSW SW SW SW SSE SSE SSE SSE
7 mph 10 mph 10 mph 10 mph 12 mph 12 mph 12 mph 7 mph 7 mph 7 mph 3 mph 3 mph 3 mph 5 mph 5 mph 5 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 9 mph 9 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 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 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 KUGN model statistics.

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Prob Precip % = Probability of Precipitation.

Arrow 36 Hour Forecast

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

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