Rain, Rain, Go Away! That is pretty much the refrain most of us are probably thinking right now, but unfortunately it is going to hang around into the day Monday. In fact, a look at the map on the right shows that some additional drainage problems may occur again later today or overnight tonight. The map is a qpf(quantitative precipitation forecast) valid through Monday morning. Those additional showers and storms will be developing along a stationary front throughout the day today and this pattern will only slowly change on Monday.
The rain along with absence of any sunshine and northerly winds will also combine to keep this first day of May quite cool. In fact, we have probably already reached the high for the day which occurred shortly after midnight. The air near the surface has dew point temperatures in the 30s and lower 40s, so as the rain falls into that drier air some of it will evaporate which takes heat from the air. Bottom line is that temperatures should hold in the 40s or lower 50s at best for the rest of the day.
Monday should see the rain taper off from west to east by late morning or early afternoon, but little or no sunshine is anticipated. So, look for day temperatures on Monday to only rebound into the mid-upper 50s. By Tuesday morning, we should be clear and with light winds there may be some upper 30s in the cooler valley locations. That will be followed by light southerly winds by afternoon and daytime temperatures near 70.
After that, a return to brisk southerly winds and a warming trend should persist into the coming weekend. A weak boundary may try to make a run at us along about Thursday evening, but current indications are that it will not quite make it this far. Even so, it could set off an few showers/storms. The coming weekend is a little more uncertain as another boundary will make a run at us and could set off some showers/storms as well.
In the meantime, stay tuned and check back for updates.