Tuesday, October 6, 2015

Rain, rain don't go away

Public weather briefing

Persistent mild temperatures for early October weather. High temperatures have been the upper 60's to lower 70's with light winds. There is an anticyclone that has been present over the Midwest providing sunny skies throughout the week. This has provided good fall like weather for much of the week, but it looks like sunny skies will not last in the next couple days. 


Tonight. Clear skies with a light wind. Low in the lower 50's.

Wednesday. Sunny with light winds. High around 70.

Wednesday night. Clear with continued light wind.  Low in the lower 50's.

Thursday. Chance of thunderstorms in the afternoon. High around mid-70's

Thursday night. Slight chance of some rain. Low in the lower 50's.

Outlook for Friday through Sunday. Overcast on Friday, and clearing up Saturday and Sunday.  Highs in the high 50's Friday, mid-60's on Saturday and low 70's on Sunday. Lows in the 40's on Friday, and in the 50's on Saturday and Sunday. [CONFIDENCE: MEDIUM]

Forecast Discussion

The high pressure system that has been stationed over Madison will provide a nice day on Wednesday with temperatures in the mid 70's with light winds and abundant sunshine. A low pressure system from Western Canada will move into the area on Thursday bringing a chance for some rain and a bit warmer temperatures as well as higher humidity. This low pressure system will be pushed eastward by a high pressure system that originated in Montana on Thursday night into Friday. As the low pressure system moves eastward it drags down cold Canadian air (seen on 850mb map) causing the the high temperature to be in the 50's on Friday with variable winds. Then by the weekend this high pressure system spanning most of the great plans and upper midwest brings warmer temperatures again in the mid-60's on Saturday and mid-70's on Sunday with clear skies. 

Anna Sienko

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