3 Things To Know:
- Frost is possible late tonight into Thursday morning in central Wisconsin.
- Showers and storms will increase Thursday evening with significant chances of severe weather on Sunday and Monday.
- Temperatures will warm into the 80s through the weekend.
Frost Advisory Tonight
A Frost Advisory is in effect from 1 AM to 7 AM CDT Thursday for parts of central Wisconsin, specifically areas along and north of I-94. With clear skies and light winds, conditions are right for patchy frost tonight. If you have sensitive plants, it may be wise to cover them or bring them indoors.
Dry and Mild Thursday
After a chilly night, Thursday is shaping up to be dry and mild, with highs reaching the mid-70s. Expect some breezy conditions, especially closer to the Mississippi River, where gusts may reach 25-30 mph in the afternoon.
As the day progresses, winds will shift and strengthen, marking the transition to a more active weather pattern.
Storm Potential Arrives Thursday Evening
The calm weather won’t last long. A shortwave trough will move through Thursday evening, increasing the chances for showers and isolated thunderstorms, particularly along and north of I-90. Rainfall amounts are expected to be light, but the possibility of rumbles of thunder is there due to some instability in the atmosphere.
Severe Weather Forecast for the Weekend
Looking ahead to the weekend, confidence is growing in the potential for strong to severe storms on Sunday and Monday. The main storm system is anticipated to move into the region, bringing a warm front that could enhance severe weather dynamics. Thunderstorms could have high wind potential along with heavy rainfall.
“A period of all hazards severe weather is possible Sunday and Monday with heavy rain also a concern,” noted the NWS. With anticipated instability values of 1000+ J/kg, it’s crucial to stay alert as updates are issued.
Warming Trend Ahead
As stormy weather brews, temperatures will be on the rise. Expect highs to reach the upper 70s to low 80s from Friday into early next week. Friday may see some locations hitting the mid-80s, so enjoy the warm weather while preparing for the incoming storms.
Keep an eye on the forecast as conditions evolve. For updated forecasts where you live check out our Forecasts Page.
Source: NWS ARX Area Forecast Discussion, issued 2026-05-13T18:38:00+00:00.
