10-day forecast for River, IL: 39° to 85°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Tuesday, October 13
72° · 0.84 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1474° / 62°0.31
Morning63°feels 64°
Afternoon73°feels 73°
Evening62°feels 62°
Overnight66°feels 67°
74 °
River, Wednesday, 14 October
Rain. High 74°, low 62°.
Pressure30.06 inHg
Wind8.5 mph NE
Humidity68%
Visibility6.2 mi
Dew point61°
Thu, 1572° / 58°0.84
Morning60°feels 59°
Afternoon67°feels 67°
Evening70°feels 71°
Overnight59°feels 59°
72 °
River, Thursday, 15 October
Rain. High 72°, low 58°.
Pressure30.00 inHg
Wind9 mph SE
Humidity94%
Visibility2.3 mi
Dew point62°
Fri, 1665° / 48°0.13
Morning53°feels 50°
Afternoon54°feels 52°
Evening51°feels 49°
Overnight60°feels 59°
65 °
River, Friday, 16 October
Rain. High 65°, low 48°.
Pressure30.06 inHg
Wind21 mph NW
Humidity57%
Visibility6.2 mi
Dew point38°
Sat, 1757° / 39°0
Morning43°feels 39°
Afternoon54°feels 51°
Evening48°feels 46°
Overnight44°feels 38°
57 °
River, Saturday, 17 October
Clear. High 57°, low 39°.
Pressure30.50 inHg
Wind3.6 mph W
Humidity48%
Visibility6.2 mi
Dew point33°
Sun, 1863° / 44°0
Morning49°feels 45°
Afternoon60°feels 58°
Evening55°feels 52°
Overnight51°feels 48°
63 °
River, Sunday, 18 October
Clear. High 63°, low 44°.
Pressure30.33 inHg
Wind13.7 mph SW
Humidity43%
Visibility—
Dew point37°
Mon, 1954° / 52°0.04
Morning54°feels 52°
Afternoon54°feels 53°
Evening53°feels 52°
Overnight53°feels 52°
54 °
River, Monday, 19 October
Light rain. High 54°, low 52°.
Pressure30.21 inHg
Wind9.6 mph SW
Humidity73%
Visibility—
Dew point46°
Tue, 2060° / 54°0.26
Morning56°feels 56°
Afternoon59°feels 59°
Evening56°feels 56°
Overnight55°feels 55°
60 °
River, Tuesday, 20 October
Light rain. High 60°, low 54°.
Pressure30.30 inHg
Wind8.1 mph E
Humidity80%
Visibility—
Dew point53°
Wed, 2171° / 56°0.01
Morning62°feels 62°
Afternoon70°feels 70°
Evening66°feels 66°
Overnight64°feels 64°
71 °
River, Wednesday, 21 October
Light rain. High 71°, low 56°.
Pressure30.24 inHg
Wind11 mph S
Humidity69%
Visibility—
Dew point58°
Thu, 2274° / 63°0.02
Morning66°feels 66°
Afternoon73°feels 73°
Evening74°feels 73°
Overnight71°feels 70°
74 °
River, Thursday, 22 October
Light rain. High 74°, low 63°.
Pressure30.06 inHg
Wind16.2 mph S
Humidity61%
Visibility—
Dew point58°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in River, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.