risk of rain

risk of (some inclement weather)

A significant chance of some kind of unpleasant weather, such as rain, snow, lightning, etc., occurring. I just heard that there's a risk of rain tomorrow. I hope our football game doesn't get canceled. You should never set off on a hike when there's a risk of lightning.
See also: of, risk
Farlex Dictionary of Idioms.

risk of rain

 and risk of showers; risk of thunder(-storms)
a chance of precipitation. (Used only in weather forecasting. There is no "risk" of hazard or injury involved.) And for tomorrow, there is a slight risk of showers in the morning. There is a 50 percent risk of rain tonight.
See also: of, rain, risk
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • risk of (some inclement weather)
  • come on to (something)
  • pour rain
  • pouring rain
  • lash down on
  • lash down on (someone or something)
  • come in out of the rain
  • drenched to the skin
  • make it rain
  • come rain or shine
References in periodicals archive
"This looks more likely for England and inland Wales, but the far north-west of England joins Northern Ireland and Scotland with a higher risk of rain, more cloud and temperatures remaining in the high teens/ low 20s.
TEMPERATURES will soar to a balmy 24C this week but forecasters claim it will stay largely cloudy with a risk of rain and thunder.
The least serious, when a day of sunshine was forecast and the risk of rain was minimal, allowed you the free-
Beddall explained: "The BMR 600 will give riders an opportunity to keep riding in their traditional winter break in good conditions with minimal risk of rain and thoroughly decent weather.
This should lead to generally dry conditions in many parts but a risk of rain or showers in the north.
While the risk of rain is minimal - just 10% sun worshippers shouldn't get their hopes up as the day looks likely to remain overcast and cloudy.
But, with this Flat season more than half over, and a groundswell of frustration among owners and trainers who cannot, in good conscience, risk the welfare of their horses by hearing their hooves rattle, perhaps it is time to pose this challenge and propose that, during protracted dry spells with minimal risk of rain, there should be a presumption of good going - and watering should be responsibly employed to achieve that.
For Pakistan, Malaysia would not have been as ideal a venue because, unlike in UAE, a large turnout of Pakistan expatriates couldn't be assured for matches there besides the additional risk of rain disrupting play.
There should be some dry and pleasant weather in the north, but with a greater risk of rain.
"The weather is going to break down on Saturday and there will be a risk of rain, which could be thundery," said Mr Burkill.
Hopoo Games has announced that it is working on "Risk of Rain 2," the sequel to its well-received rogue-like game.
Models are showing mostly dry weather until March 24 followed by an increasing risk of rain.
A yellow weather warning is in effect, with the Met Office saying there is a risk of rain, wind, snow, ice and fog across large areas of England, including Merseyside.
Rain can damage freshly applied asphalt, and road authorities prefer to avoid laying down asphalt when there is a risk of rain.
"On Saturday there will be showers in the north, and the south is also at risk of rain. There is risk of thunderstorms overnight into Sunday across Kent and Essex.