Today and Friday, a Colorado low will bring rain and thunderstorms to the valley, with a warm front and a cold front following.
Expect widespread rain in the morning, with thunderstorms and lightning possible in the north. Most of the rain will fall during the first half of the day, moving into Canada by early afternoon.
Temperature ranges will be significant, with warmer temperatures in the south (60s to low 70s) and cooler temperatures in the north (50s and 60s) due to ongoing rain.
Some areas north could see as much as an inch of rain by the time the week ends, which may impact harvest plans.
Author's summary: Rain and thunderstorms expected today and Friday.