May we suggest this thread Colorado Front Range Thread . Your one state over so the weather is similar. Since we are neighboring states I’m thinking 30 degrees is fine as it is here. it’s not unusual in early spring. Your weather can be even more volatile than ours.
Strange weather - Will it get our blooms and fruit?
Past years has taught me the snow is a blessing. Would love it if you send me your snow! Please post us some photos! It’s been very hot here this year overall.