Forreston, IL Weather Forecast | 5 Day
Updated: Sat Sep 26th 2026 4:15 PM CDT
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Overcast
Sat 9-26-26
Overcast with a high of 66°F and a low of 51°F. There might be light rainfall having a 14% chance. Winds will be light at 10mph and gusts of 13mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 67% at 8 PM and 56% being its lowest at 5 PM. Barometric pressure is its highest of 30.11inHg at 8 PM, a lowest point of 30.09inHg at 6 PM with an avg 30.1inHg.
- HI: 66°F
- LO: 51°F
- Rainfall: 14%
- Snowfall: 0%
- Wind
9.4 mph - Humidity
66% avg. - UV Index
5.2 - Air QualityGood
- Sunrise
06:50 AM - Sunset
06:49 PM - Moonrise
06:37 PM - Moonset
06:50 AM - Moon Phase
Full Moon
Overcast
Weather Tomorrow, Sun 9-27-26
Overcast with a high of 69°F and a low of 55°F. There's a very small chance of rainfall, only about 8%. Winds will be light at 7mph and gusts of 11.6mph at 12 AM. The humidity will be on the higher side, averaging about 61%, the maximum being 83% at 11 PM and 45% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 8 AM, a lowest point of 30.04inHg at 6 PM with an avg 30.09inHg.
- HI: 69°F
- LO: 55°F
- Rainfall: 8%
- Snowfall: 0%
- Wind
6.9 mph - Humidity
61% avg. - UV Index
5 - Air QualityModerate
- Sunrise
06:51 AM - Sunset
06:47 PM - Moonrise
06:58 PM - Moonset
07:55 AM - Moon Phase
Waning Gibbous
Sunny
Mon 9-28-26
Sunny with a high of 70°F and a low of 53°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 15.2mph at 7 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 87% at 7 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.13inHg at 9 AM, a lowest point of 30.01inHg at 7 PM with an avg 30.07inHg.
- HI: 70°F
- LO: 53°F
- Rainfall: 6%
- Snowfall: 0%
- Wind
6.3 mph - Humidity
66% avg. - UV Index
5.4 - Air QualityModerate
- Sunrise
06:52 AM - Sunset
06:45 PM - Moonrise
07:22 PM - Moonset
09:02 AM - Moon Phase
Waning Gibbous
Overcast
Tue 9-29-26
Overcast with a high of 73°F and a low of 57°F. Rainfall expected to have a 73% chance with an estimated 0.13in. Wind will be moderate, blowing around 13mph on average and gusts of 25.6mph at 10 PM. The humidity will be on the higher side, averaging about 75%, the maximum being 92% at 11 PM and 54% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 12 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.95inHg.
- HI: 73°F
- LO: 57°F
- Rainfall: 73% | est. 0.13in
- Snowfall: 0%
- Wind
12.8 mph - Humidity
75% avg. - UV Index
5.2 - Air QualityGood
- Sunrise
06:53 AM - Sunset
06:43 PM - Moonrise
07:51 PM - Moonset
10:12 AM - Moon Phase
Waning Gibbous
Light Rain
Wed 9-30-26
Light Rain with a high of 67°F and a low of 59°F. It will likey rain, having a 92% chance of a downpour with an estimated 1.25in. Wind will be moderate, blowing around 11mph on average and gusts of 29.8mph at 8 PM. High humidity with average of 90% is anticipated, the maximum being 99% at 11 PM and 77% being its lowest at 9 AM. Barometric pressure is its highest of 29.89inHg at 12 AM, a lowest point of 29.83inHg at 4 AM with an avg 29.86inHg.
- HI: 67°F
- LO: 59°F
- Rainfall: 92% | est. 1.25in
- Snowfall: 0%
- Wind
10.3 mph - Humidity
90% avg. - UV Index
0.6 - Air QualityGood
- Sunrise
06:54 AM - Sunset
06:42 PM - Moonrise
08:27 PM - Moonset
11:23 AM - Moon Phase
Waning Gibbous
Light Rain Shower
Thu 10-1-26
Light Rain Shower with a high of 67°F and a low of 62°F. It will likey rain, having a 94% chance of a downpour with an estimated 0.54in. Wind will be moderate, blowing around 11mph on average and gusts of 23.1mph at 12 AM. High humidity with average of 97% is anticipated, the maximum being 99% at 10 PM and 89% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.89inHg at 3 AM with an avg 29.95inHg.
- HI: 67°F
- LO: 62°F
- Rainfall: 94% | est. 0.54in
- Snowfall: 0%
- Wind
11 mph - Humidity
97% avg. - UV Index
4 - Air QualityTBA
- Sunrise
06:55 AM - Sunset
06:40 PM - Moonrise
09:14 PM - Moonset
12:34 PM - Moon Phase
Last Quarter
This 5-Day weather forecast is valid for ZIP code 61030, accurately covering the area of Forreston, IL.
Currently
 |
66°F |
30.1 inHg.
Barometer 50%
Humidity SE 10.4 mph Wind |
| Cloudy | ||
National Outlook
Intense Nor'easter Brings Coastal Flooding to the Mid-Atlantic and Northeast 09-26 to 09-28
Sat Sep 26th 2026, 1:35am PDT
Read
Nor'easter and Heavy Rain Threats Upcoming 09-29 to 10-03
Extended Forecast
Sat Sep 26th 2026, 1:36am PDT
Read
Sat Sep 26th 2026, 1:36am PDT
5 Day Forecast Nearby
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