Wednesday, October 22, 2025

Chicago weather: Frost risk returns tonight

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Chicago Weather Forecast

There are two main issues regarding the upcoming forecast. The first issue is the risk of frost over the next two nights, and the second issue is the risk of rainfall heading through the weekend into next week.

Current Weather Conditions

First of all, today will be mostly cloudy, windy, and chilly. Temperatures will barely move, and it may be difficult to get past 50° in some areas. Winds will be generally between 15 and 25 mph, adding to the colder feel.

Risk of Frost

Now let’s talk about the risk of frost. Tonight it will be mostly cloudy to start, but skies will clear. If winds die down, the risk of frost will go up significantly. However, right now it appears as though there will be just enough wind to prevent a widespread frost. A frost advisory is going into effect overnight for Kankakee, DeKalb, Grundy, and LaSalle counties in our viewing area.

Tomorrow’s Forecast

Tomorrow will feature plenty of sunshine, but temperatures will remain on the cool side, rising only into the mid 50s. Tomorrow night, the frost risk is much higher because it won’t be as windy. I would expect a frost advisory for much of our area except over the metro.

Weekend Forecast

Now let’s head into the weekend. On Friday, it will be partly to mostly sunny with highs in the mid to upper 50s.

Saturday and Sunday

Saturday and Sunday now appear to be safe from any threat of rainfall thanks to the strength of high pressure in Canada, forcing the next storm system to our southwest. Highs both days will be between 60 and 65 degrees. Monday will have similar temperatures.

Rainfall and Thunderstorms

The US model thinks there will be showers and even thunderstorms Monday night, while the European model will have none of that.

Source of Information

The Source: The information in this report came from FOX 32 Meteorologist Mike Caplan.

Conclusion

In conclusion, the upcoming forecast for Chicago is looking chilly and windy, with a risk of frost over the next two nights. The weekend is expected to be partly to mostly sunny, with highs in the mid to upper 50s. However, there is a chance of rainfall and thunderstorms on Monday night. It’s essential to stay tuned to the latest weather updates to plan your activities accordingly.

Frequently Asked Questions

Here are some frequently asked questions about the Chicago weather forecast:

Q: What is the risk of frost over the next two nights?

A: The risk of frost is high, especially tomorrow night, when it won’t be as windy. A frost advisory is in effect for some counties, and it’s expected to be issued for much of the area except over the metro.

Q: Will it rain over the weekend?

A: No, Saturday and Sunday are expected to be safe from any threat of rainfall, thanks to the strength of high pressure in Canada.

Q: What are the temperatures expected to be over the weekend?

A: Highs both days will be between 60 and 65 degrees, with similar temperatures on Monday.

Q: Is there a chance of thunderstorms on Monday night?

A: Yes, according to the US model, there is a chance of showers and even thunderstorms on Monday night, but the European model predicts no rainfall.

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