SAN ANGELO – There is a slight chance of freezing rain Sunday morning in the Concho Valley as a storm system brings in a rainy week. In the overnight hours, anticipate another chilly night with temperatures dropping below seasonal norms. Expect lows in the low to mid-20s. Stratus clouds will increase from south to north throughout the morning.
An upper-level trough will place West Central Texas in a southwest flow aloft. A disturbance in this flow will track across the region on Sunday, leading to isolated to scattered light showers. Daybreak temperatures will be below freezing, gradually warming through the day. That will produce extensive cloud cover and potential light precipitation, with highs expected in the mid-30s to lower 40s Sunday. Patchy light freezing rain is possible in the morning, initially in Crockett County and later in the northern Edwards Plateau and southern Concho Valley. By mid to late morning, and possibly in the afternoon, portions of the Big Country may also experience freezing rain. Temperatures should be in the low to mid-30s by mid to late morning, minimizing ice accumulation. Elevated surfaces might see minor accumulations, but impacts are expected to be minimal.
LONG TERM... (Sunday night through next Saturday) Issued at 157 PM: Sat Jan 20, 2024
Sunday night, temperatures will struggle to drop significantly. Some light freezing rain is possible, but with temperatures at freezing, accumulations and impacts will be limited. The warm front on Monday will bring much warmer temperatures, followed by another cold front on Tuesday, bringing temperatures back into the 50s. The remainder of the week is expected to be warmer, with temperatures at or slightly above normal.
Rain chances persist as shortwaves move across the southwest US into Texas. The best chances for rain are Sunday night into Monday, with another significant wave expected Tuesday into Wednesday. Moderate rainfall amounts of 1/2 to 3/4 of an inch are anticipated over much of the area.
Detailed Forecast: Tonight Mostly cloudy, with a low around 27. Wind chill values between 20 and 25. East-southeast wind 5 to 10 mph.
Sunday A slight chance of rain or freezing rain between 9 am and noon, then a chance of rain showers. Cloudy, with a high near 40. Wind chill values between 20 and 30. South-southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night Showers likely, mainly after midnight. Patchy fog after 3 am. Otherwise, cloudy, with a temperature rising to around 45 by 5 am. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Patchy fog before 9 am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 43. South wind 5 to 10 mph becoming west-southwest after midnight.
Tuesday A 40 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 64. West wind 5 to 10 mph becoming north in the afternoon.
Tuesday Night A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 46. East-northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 60. North-northeast wind 5 to 10 mph becoming west-northwest in the afternoon. New rainfall amounts between a tenth and a quarter of an inch, except higher amounts possible in thunderstorms.
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